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🦆 Calvert · Anne Arundel County Based in Dunkirk, MD

Southern Maryland
Plumbing & Water
Treatment Experts

We Dive Deeper To Solve The Problem

Well pump repair & replacement, water filtration, iron & sulfur treatment, sewer repair, hydro jetting, and 24/7 emergency plumbing — serving Calvert & Anne Arundel County.

Licensed MD Master Plumber Bonded & Insured Woman-Owned & Operated 18-Month Warranty Financing Available
Emergency Service Available — We Answer 24/7
DunkirkOwingsPrince FrederickHuntingtownChesapeake BeachNorth BeachSunderlandAnnapolisEdgewaterDavidsonville+ 20 more
18-Month Warranty
Parts & labor guaranteed
24/7 Emergency
Avg. 60-min response
5.0 Google Rating
23 Google Reviews
Licensed Master Plumber
MD License #98433
Free Estimates
No obligation quotes

Why Southern Maryland Homeowners Trust Deep Dive Plumbing Maryland

5.0 Star Rating

23 Google Reviews

Licensed Master Plumber

Maryland License #98433

Woman-Owned & Operated

Family business, Dunkirk MD

18-Month Warranty

On qualifying installations

Same-Day Service

24/7 Emergency Response

Financing Available

0% options for qualified

Bonded & Insured

Fully covered on every visit

Well Water Specialists

Calvert & Anne Arundel Co.

24/7 Emergency

Real person answers — always

Honest Recommendations

No upsells, no scare tactics

Southern Maryland Well Water Specialists

We Know Southern Maryland Well Water.
Better Than Anyone.

High iron, low pH, sulfur odor, hard water — these are the water quality issues Google is already showing us for, because they're the issues Calvert County and Anne Arundel County homeowners deal with every day. We test first, diagnose accurately, and install the right solution.

Well Water Resource Center

Not Sure What's In Your Well Water?

Our Well Water Resource Center covers every common Southern Maryland well water problem — iron, sulfur, hardness, bacteria, low pressure, and more. Start with a water test, or read the guides to understand what you're dealing with.

Well Water Resource Center

Ready to Schedule? We Answer 24/7.

Same-day service available · Emergency dispatch · Free phone estimates

20+

Years of Plumbing Experience

5,000+

Jobs Completed

5.0★

Google Rating

24/7

Emergency Service

From the Field

What We See in Southern Maryland Every Week

Real patterns from real jobs — the problems we diagnose most often, and what homeowners can do about them.

Well Pumps Failing at Year 10–12

Most of the emergency pump calls we get are for pumps that are 10–12 years old. The homeowner had no warning — pressure was fine, then nothing. A pressure test and amp draw check at year 8 catches 80% of failing pumps before they fail completely.

Well Pump Repair

Iron Destroying Water Softeners

We replace water softeners that are 2–3 years old because the homeowner bought one without testing their water. Southern Maryland well water commonly has 5–15 ppm iron — that destroys softener resin fast. Test first, then treat.

Water Treatment

Grease-Coated Kitchen Drain Lines

In homes built before 1990, we regularly find kitchen drain lines with 20–30 years of grease coating the pipe walls. A snake clears the blockage but leaves the coating. Hydro jetting at 3,000 PSI removes it completely — and the drain stays clear for years.

Hydro Jetting

Waterlogged Pressure Tanks

A pressure tank that has lost its air charge causes the pump to cycle on and off every few seconds. That rapid cycling burns out pump motors in months. If your pump runs constantly or your pressure fluctuates rapidly, the tank is the first thing to check.

Well Pressure Tanks

Sulfur Smell Misdiagnosed

When a rotten egg smell comes only from the hot water, the fix is usually a magnesium anode rod replacement in the water heater. When it comes from all water, you need an oxidizing filter. We diagnose the source before recommending a solution.

Sulfur Removal

Tree Roots in Sewer Lines

Root intrusion is the most common sewer problem we find in Southern Maryland neighborhoods built in the 1970s–1990s. Roots follow moisture and find every crack in older clay tile pipe. A camera inspection shows exactly where the intrusion is and how severe.

Sewer Camera Inspection

Customer Reviews

What Southern Maryland Homeowners Say

5.0 Google Rating
· 23 Google Reviews · 100% 5-Star
Well Water Analysis & Filtration System

"Absolutely blown away by the service from Deep Dive Plumbing Maryland! We had ongoing issues with our well water for years — bad smell, staining, and constant problems with pressure — and nobody ever took the time to truly figure out the root cause. Terry and the team came out, performed a full water analysis, explained everything in detail, and designed a system specifically for our home instead of just trying to sell us random equipment. You can really tell they care about doing things the right way. The install was extremely clean and professional, they walked us through how everything works, and our water has never looked or tasted better. The difference is unbelievable."

SF

Savannah Foster

Southern Maryland · Google Review

Well System Repair

"When our well stopped working, Deep Dive Plumbing came out quickly, diagnosed the problem, and fixed it right away. I was impressed by their honesty, professionalism, and willingness to drop what they were doing to help us. The issue was diagnosed correctly, repaired efficiently, and the entire experience was stress-free. I truly appreciated the way I was treated throughout the process and the confidence they gave me that the problem was fully resolved. I would highly recommend Deep Dive Plumbing for any plumbing or well system repairs, large or small."

BB

Bruce Bennett

Southern Maryland · Google Review

Sewer Diagnostic Inspection & Repair

"We recently had Deep Dive Plumbing Maryland out to our home in Annapolis after we suddenly started noticing sewer flies throughout the house. They truly lived up to their name and performed a full "deep dive" diagnostic inspection instead of just treating the symptom. During their inspection they discovered our sewer pipe connected to the toilet had been leaking into the basement for quite some time. The team explained everything clearly, provided upfront pricing before starting any work, and even gave us a military discount which was greatly appreciated. They were professional, respectful, extremely knowledgeable, and took the time to make sure the repair was done correctly."

GB

George Baker III

Annapolis, MD · Google Review

Water Heater Replacement

"We had our water heater leak and flood our basement. Deep Dive Plumbing Maryland came out Saturday morning and got us a new heater same day for a very reasonable price, and also replaced the shutoff valve that was old and wouldn't stop dripping."

TA

Tim A.

Southern Maryland · Google Review

Water Softener Repair

"I needed a repair on my water softener after the original installer no longer serviced my area. Deep Dive Plumbing responded quickly, diagnosed the issue, and had my system repaired the very same day. The team was professional, knowledgeable, and easy to work with. They took the time to explain what was wrong and what needed to be done to get the system operating properly again. I greatly appreciated their prompt service and commitment to solving the problem. Thank you for getting my water softener back up and running so quickly!"

KH

Kerry Hitt

Dunkirk, MD · Google Review

Emergency Plumbing

"TJ was great!! He answered our emergency call late evening hours. He was honest and gave us options to make a decision. Highly recommend!!"

AR

Angelis Reilly

Southern Maryland · Google Review

Read verified 5-star reviews from Southern Maryland homeowners who trust Deep Dive Plumbing Maryland.

24/7 Emergency Plumbing

Sewer Backup? Burst Pipe?
We're On Our Way.

Deep Dive Plumbing Maryland dispatches 24 hours a day, 7 days a week. No answering service — you reach a real person. Our fully-stocked vans are ready to roll for sewer emergencies, burst pipes, flooding, and water damage across Southern Maryland.

Our Fleet

Fully Equipped. Fully Branded. Ready Now.

When you see a Deep Dive Plumbing Maryland van in your neighborhood, you know the specialists have arrived. Our fully-stocked fleet carries camera inspection equipment, hydro-jetting rigs, and everything needed to solve your problem in one visit.

Deep Dive Plumbing Maryland service van — sewer repair and drain cleaning specialists in Calvert County MD

Front View

Deep Dive Plumbing Maryland

Deep Dive Plumbing Maryland van rear wrap — hydro jetting and sewer camera inspection Southern Maryland

Rear Wrap

Deep Dive Plumbing Maryland

Deep Dive Plumbing Maryland van side wrap — well pump and water filtration experts Dunkirk MD

Side Wrap

Deep Dive Plumbing Maryland

Deep Dive Plumbing Maryland branded service van — licensed master plumber serving Anne Arundel and Calvert County

Full Fleet Branding

Deep Dive Plumbing Maryland

"Expertise Below the Surface."

Serving Calvert & Anne Arundel County, Maryland

Deep Dive Plumbing Maryland van interior — sewer camera inspection and hydro jetting equipment ready for Southern Maryland service calls

Fully Stocked

Every Job, Every Time

Deep Dive Plumbing Maryland van interior — organized plumbing parts and water filtration equipment for Calvert County service

Organized for Fast, Clean Repairs

What's In Our Van

We Show Up Ready
to Diagnose and Fix.

Every Deep Dive van is custom-built with floor-to-ceiling wood shelving, organized parts bins, and a full Milwaukee Tool loadout. We carry diagnostic equipment, commonly needed parts, and the tools to complete most jobs in a single visit — so you're not waiting on a parts order.

Sewer Camera System

Push-rod inspection camera for live underground diagnostics

Hydro-Jetting Rig

High-pressure drain clearing for roots, grease & buildup

Full Milwaukee Loadout

Professional-grade tools for every plumbing scenario

Water Test Equipment

On-site water quality testing for iron, pH, hardness & bacteria

Well Pump Parts

Common pump sizes, pressure tanks & fittings stocked on board

Custom Parts Inventory

Fittings, valves, PVC, PEX & copper — most jobs done same day

Stocked for Common Repairs

Diagnostic equipment, professional tools, and commonly needed parts on every van — fewer return trips, faster resolution.

Underground & Sewer Specialists

We Diagnose Before We Dig.

Most plumbers snake the drain and call it done. Deep Dive Plumbing Maryland sends a camera down first — identifying the exact cause before recommending any repair. Root intrusion, pipe belly, Orangeburg pipe, collapsed cast iron — we find it, show it to you on screen, and fix it correctly.

Sewer Backups

Sewage backing up into tubs, toilets, or floor drains is a main line emergency. We camera the line to diagnose the exact cause before recommending any repair.

Root Intrusion

Tree roots enter sewer lines through joints and cracks, growing into a mass that blocks flow. Camera inspection locates the exact entry point before any work begins.

Collapsed Sewer Lines

Orangeburg pipe, old cast iron, and clay tile all fail over time. A collapsed section requires targeted excavation — we locate it precisely so we dig only where needed.

Pipe Belly (Sag)

A belly is a low spot where sewage pools instead of flowing. Bellies cause recurring backups and can't be fixed by snaking. Camera inspection is the only way to find them.

Grease & Sludge Buildup

Years of grease accumulation narrows pipe diameter until flow stops. Hydro jetting scours the pipe walls clean — restoring full flow capacity.

Recurring Drain Clogs

If your drain has been snaked three times and keeps backing up, there's an underlying cause. We find it with a camera and fix it — not just clear it again.

Our Diagnostic-First Process

01

Camera Inspection

HD live-feed camera through the sewer line — we see exactly what's there.

02

Locate & Identify

Transmitter pinpoints the exact underground location of any problem.

03

Targeted Repair

We dig only where the camera says to dig — no guesswork, no unnecessary excavation.

04

Verify & Document

Post-repair camera pass confirms the fix. You see the result on screen.

Well Pump Services — Calvert & Anne Arundel County

Well Pump Repair & Replacement
by a Licensed Master Plumber

When your well pump fails, you have no water. Deep Dive Plumbing Maryland responds 24/7 to well pump emergencies across Calvert County and Anne Arundel County. Maryland Licensed Master Plumber Terry Foster Jr. (#98433) diagnoses every well pump failure personally — no guesswork, no unnecessary replacements.

We service all submersible pump brands, replace pressure tanks, install Cycle Stop Valves for low-yield wells, and address the water quality issues that shorten pump life — iron, low pH, and sediment. Every well pump installation includes an 18-month parts and labor warranty on qualifying work.

Submersible Pump Repair
Pump Replacement
Pressure Tank Service
Constant Pressure Systems
Low-Yield Well Solutions
Pump Saver Protection
Emergency Well Service
Well Inspections

No water at all

Usually a failed pump, tripped breaker, or blown pressure switch. We diagnose the root cause before recommending any repair.

Pressure drops during showers

Often a waterlogged pressure tank or a pump that's undersized for your household demand. We test both.

Pump runs constantly

A short-cycling pump burns out fast. We check tank pre-charge pressure and pump output to find the cause.

Sputtering or air in lines

Air in the lines usually means a failing pump or a drop pipe that's come loose inside the well casing.

See all well pump services

Water Treatment — Southern Maryland

Well Water Treatment Systems
Designed for Maryland Water Chemistry

Southern Maryland well water is notoriously hard, acidic, and iron-rich. Generic treatment systems fail here. We design every system around your actual water test results — not a one-size-fits-all package.

Iron & Sulfur Removal

Calvert and Anne Arundel County wells commonly test 3–15 ppm iron. We install air injection, birm, and greensand systems sized to your iron load.

Learn more

Acid Neutralizers

Low pH (5.8–6.5) is endemic to Southern Maryland. Acidic water corrodes pipes, destroys water heaters, and causes blue-green staining. We correct it at the source.

Learn more

Water Softeners

Hard water at 10–25 GPG destroys appliances and leaves scale on everything. We size softeners to your household and hardness level — not a generic 32,000-grain unit.

Learn more

UV Disinfection

UV systems eliminate bacteria, viruses, and coliform without chemicals. Required after any well work and recommended annually for wells in flood-prone areas.

Learn more

Reverse Osmosis

Point-of-use RO systems remove nitrates, arsenic, PFAS, and other contaminants that whole-house filters miss. Ideal for drinking and cooking water.

Learn more

Water Quality Testing

We test for iron, pH, hardness, bacteria, nitrates, and more. Every treatment recommendation starts with a real water test — not assumptions.

Learn more

Drain Cleaning

Slow drains, recurring clogs, and backed-up floor drains. We clear the blockage and camera the line to confirm the cause — so it doesn't come back in two weeks.

Learn more

Hydro Jetting

High-pressure water at 4,000 PSI scours pipe walls clean — grease, scale, roots, and debris. The only method that actually removes buildup instead of punching through it.

Learn more

Sewer Camera Inspection

We camera every sewer line before recommending any repair. Pre-purchase inspections, root intrusion diagnosis, and post-repair verification — all with recorded footage.

Learn more

Drain Cleaning · Hydro Jetting · Camera Inspection

We Don't Just Snake It.
We Diagnose It.

Most drain cleaning companies snake the line, collect the check, and leave. When the clog comes back in three weeks, they're happy to come back. We camera the line first — because a recurring clog is usually a symptom of something bigger: root intrusion, a pipe belly, grease buildup, or a failing sewer line.

Our hydro jetting equipment operates at 4,000 PSI — enough to scour pipe walls completely clean. For commercial kitchens, restaurants, and homes with chronic grease problems, hydro jetting is the only permanent solution.

Pre-Purchase Sewer Inspection

Buying a home? A sewer camera inspection before closing has saved our clients thousands in negotiated credits. Home inspectors don't camera sewer lines — we do.

Drain & Sewer Services

Sewer Repair — Calvert & Anne Arundel County, MD

Sewer Line Repair & Replacement
Camera-First. No Guesswork.

Sewer line failures are among the most expensive plumbing problems a homeowner can face. Tree roots, pipe bellies, Orangeburg pipe, and collapsed lines are all common in Southern Maryland homes built before 1990. We camera every sewer line before recommending any excavation — because the right diagnosis saves thousands.

Our excavation crews are experienced with the clay soils and high water tables common in Calvert and Anne Arundel County. We handle full sewer line replacements, spot repairs, and trenchless options where the site allows. Every sewer repair includes a post-repair camera inspection to confirm the fix.

Root Intrusion

Tree roots are the #1 cause of sewer failures in Southern Maryland. We cut roots and assess whether the pipe can be repaired or must be replaced.

Pipe Bellies

A sagging sewer line collects solids and causes recurring backups. Camera inspection identifies the exact location and severity.

Orangeburg Pipe

Homes built before 1970 often have Orangeburg — a bituminous fiber pipe that deteriorates over time. We replace it completely.

Collapsed Lines

A fully collapsed sewer line requires excavation and replacement. We handle the full scope — permits, excavation, backfill, and restoration.

Well Pump Replacement — Southern Maryland

Well Pump Replacement
Sized Right. Installed Right.

When a well pump reaches end of life — typically 10–15 years — replacement is more cost-effective than continued repair. Deep Dive Plumbing Maryland replaces submersible and jet pumps across Calvert County and Anne Arundel County, stocking Goulds, Franklin Electric, and Grundfos pumps in the most common sizes for Southern Maryland well depths.

Proper sizing is critical. An undersized pump can't meet household demand; an oversized pump short-cycles and burns out prematurely. We calculate the correct pump size based on your well depth, static water level, flow rate, and household usage — not a generic recommendation. Every replacement includes a new drop pipe inspection, pressure tank check, and wiring evaluation.

We also address the water quality issues that shorten pump life — high iron, low pH, and sediment all accelerate pump wear. Installing a sediment pre-filter and acid neutralizer at the time of pump replacement protects your investment and extends the life of the new pump.

Submersible pump replacement
Jet pump replacement
Drop pipe inspection
Pressure tank replacement
Wiring & control box
Sediment pre-filter install
Pump sizing consultation
18-month warranty

Signs It's Time to Replace Your Well Pump

  • Pump is 10+ years old

    Most submersible pumps last 10–15 years. If yours is approaching that range and showing symptoms, replacement is more economical than repair.

  • Frequent repairs in the past 2 years

    Recurring failures signal the pump is at end of life. Continued repairs cost more than a new installation.

  • Declining flow rate over time

    Gradual pressure loss often means pump wear — the impellers are eroding and output is dropping.

  • High iron or sediment in water

    Abrasive particles accelerate pump wear. If your water quality has degraded, your pump may be failing from the inside.

Financing Available

Well pump replacement is a significant investment. We offer financing options so you can restore your water supply without delay. Ask about 0% financing for qualified customers.

View financing options
Water Filtration — Maryland Well Water Specialists

The Best Water Filter for Your Well
Is the One Matched to Your Water Chemistry.

Generic filter systems fail in Southern Maryland because our well water is complex — high iron, low pH, sulfur, and hardness often occur together. We test your water first, then design a system that addresses your specific combination of problems in the correct treatment sequence.

Iron Filters

Air injection, birm, and greensand filters remove dissolved and particulate iron. We match the media to your iron level and flow rate — not a one-size-fits-all unit.

Acid Neutralizers

Calcite and corosex media raise pH to stop copper pipe corrosion and blue-green staining. Essential for the acidic well water common in Calvert and Anne Arundel County.

Sediment Filters

Whole-house sediment pre-filters protect downstream equipment — water heaters, softeners, and iron filters — from sand, silt, and particulate matter.

UV Disinfection

Ultraviolet light eliminates bacteria, viruses, and coliform without chemicals. Required after any well work and recommended for wells in flood-prone areas.

Reverse Osmosis

Point-of-use RO removes nitrates, arsenic, PFAS, and contaminants whole-house filters miss. Ideal for drinking and cooking water quality.

Whole-House Filtration

Multi-stage whole-house systems address iron, hardness, pH, sediment, and bacteria in the correct sequence. We design, install, and maintain the full system.

Not Sure What Filter You Need?

We come to you and test your water on-site — iron, pH, hardness, TDS, and bacteria. Results in minutes. Every treatment recommendation starts with a real water test.

Water Softener Installation — Calvert & Anne Arundel County

Water Softeners for Maryland Well Water
Sized to Your Household. Not a Guess.

Hard water is one of the most damaging and overlooked problems in Southern Maryland homes. At 10–25 grains per gallon — typical for Calvert and Anne Arundel County well water — scale builds up inside water heaters, clogs pipes, destroys appliances, and leaves white deposits on every fixture. Most homeowners don't realize how much hard water is costing them until they see the inside of a 5-year-old water heater.

Deep Dive Plumbing Maryland installs salt-based and salt-free water softeners sized to your actual household water usage and hardness level. We test your water first, calculate the correct grain capacity, and configure the regeneration cycle for your usage pattern — not a factory default. We install Clack, Fleck, and Pentair systems and provide ongoing salt delivery and maintenance.

A properly sized water softener extends the life of your water heater by 30–50%, reduces soap and detergent usage, eliminates scale on fixtures, and makes your water feel noticeably better. For homes with iron in addition to hardness, we configure the softener to handle both — or pair it with a dedicated iron filter when iron levels are high.

What Hard Water Does to Your Home

  • Water heater failure at 5–7 years

    Should last 10–12 years — scale buildup on the heating element causes early failure

  • White scale on faucets & showerheads

    Calcium deposits clog aerators and reduce flow over time

  • Soap scum & poor lathering

    Hard water reacts with soap to form insoluble scum instead of lather

  • Dry skin and hair after showering

    Calcium and magnesium ions strip moisture from skin and hair

  • Dishwasher spots & film on glasses

    Mineral deposits left behind as water evaporates during drying

Financing Available

Water softener installation qualifies for our financing program. Ask about 0% options for qualified customers — protect your appliances and water heater without a large upfront cost.

When UV Disinfection Is Required

  • After any well pump replacement or well work
  • After a positive coliform bacteria test
  • Wells in flood-prone or low-lying areas
  • Homes with young children, elderly, or immunocompromised residents
  • Wells near agricultural land or septic systems
  • Annual recommendation for all private well owners

UV vs. Chlorination

UV disinfection is chemical-free — no chlorine taste, no byproducts, no handling of chemicals. It's effective against bacteria, viruses, and protozoa including Giardia and Cryptosporidium. For most residential well owners, UV is the preferred disinfection method.

UV Water Disinfection — Southern Maryland

UV Water Treatment
Chemical-Free Bacteria Elimination.

Ultraviolet disinfection is the most effective and safest method for eliminating bacteria, viruses, and coliform from private well water. A UV system exposes water to germicidal UV light as it passes through the treatment chamber — destroying the DNA of microorganisms so they can't reproduce. No chemicals. No taste. No byproducts.

In Southern Maryland, UV disinfection is strongly recommended for any home on a private well — and required after any well pump replacement, well rehabilitation, or positive bacteria test. Seasonal flooding, agricultural runoff, and aging well casings all create pathways for surface water contamination.

Deep Dive Plumbing Maryland installs Viqua and Trojan UV systems sized to your flow rate. UV must be installed after filtration — iron, sediment, and turbidity reduce UV effectiveness. We design the full treatment sequence to ensure your UV system performs as intended. Annual lamp replacement is included in our maintenance program.

Iron Removal — Maryland Well Water

Orange Water & Iron Staining in Maryland
We Find the Source. We Fix It Permanently.

Iron is the most common well water problem in Calvert County and Anne Arundel County. Even at 0.3 mg/L — the EPA aesthetic limit — iron stains sinks, tubs, toilets, and laundry orange. At higher levels it clogs pipes, destroys water heaters, and makes water taste metallic. The right treatment depends on the type and concentration of iron in your specific well.

Up to 15+ ppm

Dissolved (Ferrous) Iron

Clear water that turns orange when exposed to air. Treated with oxidizing filters (air injection, birm, greensand) or water softeners with iron removal capability. Most common type in Southern Maryland.

Visible particles

Particulate (Ferric) Iron

Visible orange or red particles in water. Treated with sediment filtration followed by an iron filter. Often indicates a failing well casing or surface water intrusion.

Slime & staining

Iron Bacteria

Reddish-brown slime in toilet tanks and fixtures. Requires shock chlorination of the well followed by a dedicated iron bacteria treatment system. Not removed by standard iron filters.

Why Generic Iron Filters Fail Here

Southern Maryland well water often contains iron, manganese, and low pH simultaneously. A filter sized for iron alone will fail quickly if pH is acidic — the media doesn't oxidize iron effectively below pH 6.8. We test for the full picture before recommending any system.

Sulfur Smell in Well Water — Southern Maryland

Rotten Egg Smell from Your Well Water?
We Diagnose the Source. Not Just the Smell.

Sulfur odor — the rotten egg smell — is one of the most common complaints from well owners in Huntingtown, Owings, and deeper Calvert County wells. It's caused by hydrogen sulfide gas, but the source varies: it can come from naturally occurring H₂S in the aquifer, sulfur-reducing bacteria in the well or water heater, or a corroding magnesium anode rod in your water heater reacting with softened water.

The treatment depends entirely on the source. Anode rod sulfur is fixed by replacing the rod with an aluminum/zinc anode. Sulfur bacteria requires shock chlorination of the well and a continuous disinfection system. Dissolved H₂S from the aquifer requires aeration or a dedicated sulfur filter. Installing the wrong treatment wastes money and doesn't solve the problem.

Deep Dive Plumbing Maryland tests for hydrogen sulfide, sulfur bacteria, and water heater anode condition before recommending any treatment. We identify the source in one visit and install the correct solution — not a generic sulfur filter that may not address your specific cause.

Three Sources of Sulfur Smell — Three Different Fixes

Anode Rod in Water Heater

Replace magnesium anode with aluminum/zinc anode. Smell only from hot water is the key diagnostic sign.

Sulfur Bacteria in Well

Shock chlorination of the well followed by continuous disinfection (chlorination or UV). Smell from both hot and cold water.

Dissolved H₂S from Aquifer

Aeration system or dedicated sulfur filter. Smell is consistent and present in all water — not just hot.

Don't Mask It — Treat It

Sulfur smell is not just unpleasant — sulfur bacteria can indicate other biological contamination in your well. We test for the full picture, including coliform bacteria, when diagnosing sulfur odor.

Sewer Camera Inspection — Southern Maryland

Sewer Camera Inspection
See What's Underground Before You Spend a Dollar.

A sewer camera inspection is the only way to know exactly what's happening inside your sewer line. Root intrusion, pipe bellies, collapsed sections, Orangeburg pipe, offset joints — none of these are visible from the surface. We send a high-definition push-rod camera through the line and show you the footage in real time.

Pre-Purchase Home Inspection

Home inspectors don't camera sewer lines. A pre-purchase sewer inspection has saved our clients thousands in negotiated credits or avoided purchases entirely. Schedule before closing.

Recurring Drain Backups

If your drain has been snaked twice and keeps backing up, there's an underlying cause. Camera inspection finds it — root intrusion, pipe belly, or partial collapse.

Emergency Available

Sewer Backup Diagnosis

Sewage backing up into tubs, toilets, or floor drains is a main line emergency. We camera the line immediately to identify the cause before recommending any repair.

Post-Repair Verification

After any sewer repair or hydro jetting, we run a post-repair camera pass to confirm the fix. You see the result on screen — documented footage provided.

Odor Investigation

Sewer gas smell inside the home often indicates a cracked pipe, failed wax ring, or dry trap. Camera inspection locates the source precisely.

Older Home Assessment

Homes built before 1980 in Southern Maryland often have Orangeburg pipe, clay tile, or cast iron that's deteriorating. A camera inspection tells you what you're working with.

Hydro Jetting — Drain & Sewer Cleaning

Hydro Jetting
4,000 PSI. Pipe Walls Scoured Clean.

Snaking a drain punches a hole through a clog. Hydro jetting removes it entirely. Our hydro jetting equipment operates at up to 4,000 PSI — enough to cut through tree roots, scour grease from pipe walls, break up mineral scale, and flush debris completely out of the line. The result is a pipe that flows like new, not just a pipe with a hole through the blockage.

Hydro jetting is the preferred solution for commercial kitchens and restaurants with chronic grease buildup, homes with recurring drain clogs that keep coming back after snaking, and sewer lines with heavy root intrusion where cutting alone isn't sufficient. We camera the line before jetting to confirm the pipe can handle the pressure — we won't jet a pipe that's already compromised.

After hydro jetting, we run a post-cleaning camera pass to verify the line is clear and document the condition of the pipe walls. This footage is yours — useful for insurance claims, home sales, and future reference.

Grease buildup removal
Root cutting & flushing
Scale & mineral deposits
Recurring clog elimination
Commercial kitchen drains
Restaurant grease traps
Pre-sale drain clearing
Post-repair verification

Snaking vs. Hydro Jetting

Snaking (Cable Auger)

Pros: Fast, inexpensive, good for simple clogs

Limitation: Punches through blockage — doesn't remove it. Grease, scale, and roots remain on pipe walls and rebuild quickly.

Hydro Jetting

Pros: Scours pipe walls completely clean. Removes grease, scale, roots, and debris entirely. Results last years, not weeks.

Limitation: Requires camera inspection first to confirm pipe integrity. Higher cost than snaking.

Camera Inspection Included

Every hydro jetting job includes a pre-jetting camera inspection to confirm pipe condition and a post-jetting verification pass. You see the before and after on screen.

24/7 Emergency Plumbing — Southern Maryland

Emergency Plumbing in Maryland
Real Person. Real Response. Any Hour.

Deep Dive Plumbing Maryland dispatches 24 hours a day, 7 days a week across Calvert County and Anne Arundel County. When you call our emergency line, you reach a real person — not an answering service, not a voicemail. Our fully-stocked vans are ready to roll for any plumbing emergency.

Burst Pipes

Frozen or failed pipes flooding your home. We stop the water, repair the break, and assess for water damage.

Sewer Backup

Sewage in your tubs, toilets, or floor drains is a health emergency. We camera the line and clear it same visit.

No Water

Well pump failure, pressure tank failure, or broken main line. We diagnose and restore water service 24/7.

Gas Leaks

Licensed Maryland Gas Fitter #98433. We locate and repair gas leaks and test for safety before leaving.

Water Heater Failure

No hot water or a leaking water heater. We carry common tank sizes on our vans for same-day replacement.

Flooding

Sump pump failure, broken supply line, or appliance leak causing flooding. We stop the source and coordinate cleanup.

Sewer Gas Smell

Sewer gas inside the home is a health and safety emergency. We locate the source and seal it immediately.

Any Plumbing Emergency

If it's urgent, call us. We'll tell you honestly whether it's a true emergency or can wait — and respond accordingly.

Emergency Line — Available Now

Call Now. We Answer 24/7.

No answering service. No voicemail. A real person picks up — every time. Priority Club members get no emergency dispatch fee and move to the front of the line.

Leak Detection

Hidden leaks inside walls, under slabs, and in crawlspaces cause structural damage and mold long before they're visible. We use acoustic listening equipment and pressure testing to locate leaks precisely — so repairs are targeted, not exploratory.

High water bills with no visible leak, the sound of running water when everything is off, wet spots on ceilings or floors — these are all signs of a hidden leak. We find it before it becomes a major repair.

Leak Detection Services

Water Damage Restoration

Burst pipes, sewer backups, and flooding require immediate response. Deep Dive Plumbing Maryland handles the plumbing source — stopping the water, repairing the break, and coordinating with restoration contractors to address the damage.

We respond 24/7 to water emergencies across Southern Maryland. The faster the water source is stopped, the less damage occurs. Call us first — we stop the problem while you call your insurance company.

Water Restoration Services

What We Do

Deep Dive Plumbing Maryland Services

Advanced diagnostics, underground repair, water quality, and emergency plumbing — every job gets our full attention.

Premium Tier

The Dive Inspection™

Our signature full-home water system audit — 90+ inspection points, every pipe and fixture, with a written Dive Report and prioritized recommendations.

View the Report
Financing Available
0% interest options · No money down · Flexible monthly payments
Well pumps, water treatment systems, water heaters, and more
See Financing Options

Is Your Water Telling You Something?

Warning Signs You Shouldn't Ignore

Homeowners across Calvert and Anne Arundel County often live with well water problems they've accepted as normal — orange staining in Dunkirk, sulfur smell in Huntingtown, blue-green staining in Edgewater. These aren't quirks. They're signs your water needs attention.

  • Orange, yellow, or brown staining on sinks, tubs, and laundry
  • Hard water buildup on fixtures and glass
  • Rotten egg or sulfur smell
  • Metallic or unpleasant taste in drinking water
  • Soap not lathering properly
  • Reduced lifespan of appliances like water heaters
  • Dry skin and hair after showering
  • Clogged fixtures due to sediment buildup

What We Test For

On-site testing — no lab wait — covering the key indicators that impact your water quality:

Iron (ppm)

Staining & metallic taste

Hardness (GPG)

Scale & appliance damage

pH Level

Acidity & corrosion risk

TDS

Dissolved substance level

Our Promise

We explain your results in plain language — what each number means, what problems it causes, and what options are available. No technical overwhelm. No unnecessary equipment. Just honest answers.

"We don't guess — we test, diagnose, and provide real solutions."

Deep Dive Plumbing Maryland mascot — cartoon deep sea diver

On-Site Water Testing — No Lab Wait

Dunkirk · Prince Frederick · Annapolis · Edgewater · Waldorf · La Plata & more

We Know Your Water

Local Problems. Local Solutions.

Every county has its own water chemistry. We've tested thousands of wells across Southern Maryland — here's what we see most often, and where.

Calvert County

Dunkirk · Owings · Prince Frederick · Huntingtown · Chesapeake Beach

High Iron & Manganese

Orange/brown staining on sinks and laundry. Calvert County geology produces naturally high iron in well water.

Low pH / Acidic Water

Blue-green staining and pinhole leaks in copper pipes — common in Prince Frederick and Huntingtown.

Sulfur Odor

Rotten egg smell from hydrogen sulfide — common in deeper Calvert County wells.

Dunkirk service page
Anne Arundel County

Annapolis · Edgewater · Davidsonville · Lothian · Harwood · Shady Side

Acidic Water & Copper Corrosion

Edgewater and Davidsonville well water frequently tests low pH — causing blue-green staining and pipe corrosion.

Hard Water & Scale

Lothian and Harwood homeowners report scale buildup and early water heater failure from hard water.

Annapolis Area Plumbing

Mix of city water and private wells — we handle both, from full well service to drain cleaning and water heater replacement.

Annapolis service page
South Calvert County

Lusby · Solomons · St. Leonard · Sunderland

Iron & Low pH

South Calvert well water commonly tests high in iron and low pH — a combination that stains fixtures and corrodes copper pipes simultaneously.

Deep Wells

Many homes in Lusby and Solomons have wells 200–350 feet deep. We stock pump sizes for deep-well applications and respond same day.

Seasonal Bacteria

Surface water infiltration after heavy rain can introduce coliform bacteria into wells that tested clean months earlier. Annual testing is essential.

Lusby service page

Not sure what's in your water? We'll come to you and test it on the spot.

All Service Areas

Our Story

Depth Matters.

♀ Woman-Owned & Operated — Founded by Priscilla Foster

Deep Dive Plumbing Maryland was founded by Priscilla Foster, who grew up on contaminated well water and saw the same problem repeating itself across Southern Maryland: companies treating symptoms instead of causes, and homeowners paying for the same fix over and over.

We lead with honesty, explain everything in plain language, and never use scare tactics or upsells. Whether we're testing a well in Dunkirk, replacing a pump in Owings, installing filtration in Davidsonville, or responding to a burst pipe in Chesapeake Beach at 2am — every job gets the same care.

  • Licensed MD Master Plumber #98433 — Terry Foster Jr.
  • Woman-Owned & Operated — Priscilla Foster, founder
  • Serving Calvert & Anne Arundel County
  • Upfront flat-rate pricing — no surprises on your bill
  • 18-month parts & labor warranty on every job
  • 24/7 emergency response — same-day service available
Priscilla Foster — Founder & Owner of Deep Dive Plumbing Maryland, woman-owned plumbing company in Dunkirk MD

Priscilla Foster

Founder & Owner

Deep Dive Plumbing Maryland service van rear wrap — Calvert County plumber serving Southern Maryland

Our Fleet — Fully Equipped & Ready

Real Work. Real Homes. Southern Maryland.

From the Job Site

Actual photos from our jobs — no stock photos, no staged shots. Crawl space sewer replacements, well pumps, camera inspections, and more.

Crawl Space Sewer Line — New PVC Installation

Crawl Space Sewer Line — New PVC Installation

Crawl Space Drain Line Replacement

Crawl Space Drain Line Replacement

Below-Grade Sewer Stack — Charlotte PVC

Below-Grade Sewer Stack — Charlotte PVC

Crawl Space Pipe Work — Tight Access

Crawl Space Pipe Work — Tight Access

Failed Toilet Flange — Corroded & Broken

Failed Toilet Flange — Corroded & Broken

Toilet Flange Removed — Ready for Replacement

Toilet Flange Removed — Ready for Replacement

New Charlotte Toilet Flange Installed

New Charlotte Toilet Flange Installed

Amtrol Well Pressure Tank

Amtrol Well Pressure Tank

Drain Line Camera Inspection — Down the Pipe

Drain Line Camera Inspection — Down the Pipe

Crawl Space Sewer Elbow — New PVC

Crawl Space Sewer Elbow — New PVC

Sewer Excavation — Plate Compactor on Sand Bedding

Sewer Excavation — Plate Compactor on Sand Bedding

Contaminated Well Water — Iron & Sediment

Contaminated Well Water — Iron & Sediment

Heavily Fouled Water Filter — Iron & Sediment Buildup

Heavily Fouled Water Filter — Iron & Sediment Buildup

Brown Water Flushing from Hose Bib — Iron Contamination

Brown Water Flushing from Hose Bib — Iron Contamination

Iron Bacteria Gel from Failed Filter Cartridges

Iron Bacteria Gel from Failed Filter Cartridges

New Goulds Submersible Well Pump — Ready for Install

New Goulds Submersible Well Pump — Ready for Install

Charlotte PVC Drain Elbow — Tight Space Install

Charlotte PVC Drain Elbow — Tight Space Install

Charlotte PVC Elbow — Crawl Space Drain Work

Charlotte PVC Elbow — Crawl Space Drain Work

Iron-Fouled Filter Cartridges — Cracked from Pressure

Iron-Fouled Filter Cartridges — Cracked from Pressure

Well Pump Replacement — Technician Installing New Submersible Pump, Southern Maryland

Well Pump Replacement — Technician Installing New Submersible Pump, Southern Maryland

Failed Well Pump Removed — Old Pump, Wire & Clamps Pulled from Well Before Replacement

Failed Well Pump Removed — Old Pump, Wire & Clamps Pulled from Well Before Replacement

Water Restored — Clear Water Flushing After New Well Pump Installation

Water Restored — Clear Water Flushing After New Well Pump Installation

Complete Well System Install — Flexcon Pressure Tank, PumpSaver & UV Treatment

Complete Well System Install — Flexcon Pressure Tank, PumpSaver & UV Treatment

Goulds Jet Pump with Copper Piping & Brass Fittings — Completed Well System

Goulds Jet Pump with Copper Piping & Brass Fittings — Completed Well System

Viqua UV Water Treatment System — Crawl Space Install with Pressure Tank & PVC Piping

Viqua UV Water Treatment System — Crawl Space Install with Pressure Tank & PVC Piping

Water Softener Control Head — New Whole-House Water Treatment Installation

Water Softener Control Head — New Whole-House Water Treatment Installation

UV Water Treatment System — Inline Stainless Unit for Whole-House Disinfection

UV Water Treatment System — Inline Stainless Unit for Whole-House Disinfection

Rinnai Tankless Water Heater — New Installation, Set to 125°F for Safety & Efficiency

Rinnai Tankless Water Heater — New Installation, Set to 125°F for Safety & Efficiency

Failed Water Heater — Corroded Base Before Replacement

Failed Water Heater — Corroded Base Before Replacement

Sewer Line Excavation — Mini Excavator & Crew on Residential Street, Southern Maryland

Sewer Line Excavation — Mini Excavator & Crew on Residential Street, Southern Maryland

Drain Service — Technician Clearing Concrete Cistern Drain with Snake

Drain Service — Technician Clearing Concrete Cistern Drain with Snake

PVC Drain Rough-In — New Drain Line Installation in Wall Cavity

PVC Drain Rough-In — New Drain Line Installation in Wall Cavity

Sensus iPERL Water Meter — New Install with Copper Pipe Connection

Sensus iPERL Water Meter — New Install with Copper Pipe Connection

Raypak Propane Pool Heater — Full Unit Service & Repair, Southern Maryland

Raypak Propane Pool Heater — Full Unit Service & Repair, Southern Maryland

Pool Heater Burners Firing — Active Flame After Repair & Cleaning

Pool Heater Burners Firing — Active Flame After Repair & Cleaning

Deep Dive Plumbing Maryland Service Truck — Serving Calvert & Anne Arundel County

Deep Dive Plumbing Maryland Service Truck — Serving Calvert & Anne Arundel County

Deep Dive Plumbing Technician — Well Pump Service, Southern Maryland

Deep Dive Plumbing Technician — Well Pump Service, Southern Maryland

Tap any photo to see what the job was. More photos added as jobs are completed.

Deeper Services

Beyond the Basics

Diagnostic

Sewer & Drain Camera Inspection

We send a high-definition camera through your sewer line or drain and show you exactly what's happening — live, in real time. Root intrusion, pipe belly, collapsed sections, Orangeburg pipe. No guessing. No unnecessary digging. Know before you dig. Know before you buy.

  • Main sewer line inspection
  • Pre-purchase home inspection
  • Post-cleaning verification
  • Drain line diagnostics
Learn More
24/7 Emergency

Water Damage & Restoration

One Call — Plumber + Cleanup Crew Dispatched

1 hr

Drywall starts absorbing

24 hr

Mold begins growing

48 hr

Structural damage sets in

A burst pipe or flood doesn't end when the water stops. We fix the source and handle the full cleanup — water extraction, structural drying, mold remediation, and insurance documentation. Unlike most restoration companies, we repair the plumbing and clean up the damage. One call. No waiting for a second contractor.

  • Emergency water extraction & pumping
  • Structural drying & dehumidification
  • Mold remediation (EPA guidelines)
  • Sewage backup cleanup & disinfection
  • Insurance documentation provided
  • Plumbing repair included — not a separate call

Where We Work

Serving Southern Maryland

Calvert County and Anne Arundel County — from Annapolis to Dunkirk, Edgewater to Prince Frederick, and every community in between.

Calvert County

Well Water Specialists

DunkirkOwingsPrince FrederickHuntingtownChesapeake BeachNorth BeachSunderlandLusbySolomonsSt. Leonard

Anne Arundel County

Full Plumbing & Well Service

AnnapolisEdgewaterDavidsonvilleLothianDealeShady SideHarwoodChurchtonGalesvilleMayo
Common Questions

Frequently Asked Questions

Straight answers to the questions Southern Maryland homeowners ask us most.

Have more questions?

Water Heater Specialists

Tank or Tankless — We Install Both.
Right-Sized for Southern Maryland Water.

Hard water and iron destroy water heaters early in Calvert and Anne Arundel County. We address the water quality issue at the same time we replace the unit — so your new heater lasts as long as it should.

Traditional Tank Water Heaters

40–80 Gallon · Same-Day Available

Bradford White, Rheem, and AO Smith units stocked on our vans. We size correctly for your household and address the water quality issues that cause early failure — scale buildup, anode rod corrosion, and sediment accumulation.

  • Repair or full replacement
  • Expansion tank installation
  • Mixing valve installation
  • Anode rod inspection & replacement
  • Annual flush & maintenance
Water Heater Services

Tankless Water Heaters

Navien · Rinnai · Noritz · Rheem

Endless hot water, 15–20 year lifespan, and 30–40% energy savings. Tankless units require proper sizing, correct gas line capacity, and a water softener to prevent scale buildup on the heat exchanger — we handle all of it.

  • New installation & conversion
  • Gas line sizing & upgrade
  • Descaling & maintenance
  • Recirculation pump installation
  • Manufacturer warranty registration
Tankless Installation
Sump Pump & Flood Protection

Basement Flooding Is a Southern Maryland Reality.
We Keep It Dry.

High water tables, heavy rain events, and aging sump pits are a constant challenge in Calvert and Anne Arundel County. We install, repair, and replace sump pumps — and add battery backup systems so you're protected even when the power goes out during a storm.

Primary Sump Pump

Zoeller, Liberty, and Wayne pumps — properly sized for your pit and water table depth.

Battery Backup Pump

Protects your basement when power fails during the storms that cause flooding.

Combination Systems

Primary + backup in one unit — the most reliable flood protection available.

Crawl Space Drainage

French drain systems and crawl space sump pits for homes without basements.

Sump Pump Services

Signs Your Sump Pump Needs Attention

  • Pump runs constantly or cycles on and off rapidly
  • Unusual grinding, rattling, or humming noise
  • Pump is more than 7–10 years old
  • Visible rust or corrosion on the unit
  • Water in the pit but pump not activating
  • No battery backup — power outages during storms
  • Musty smell or moisture in basement or crawl space

Don't Wait for a Flood

Most sump pump failures happen during the exact storms that cause flooding — when the pump is working hardest. A battery backup system is the single best investment for basement protection in Southern Maryland.

Specialty Services

Gas Lines, Repiping & Commercial Plumbing

Licensed Maryland Master Plumber & Gas Fitter #98433 — we handle the jobs other plumbers won't touch.

Licensed Gas Fitter

Gas Line Services

New gas line installation, repairs, leak testing, and appliance connections. Terry Foster holds Maryland Master Plumber & Gas Fitter License #98433 — required for all gas work in Maryland.

  • New gas line installation
  • Gas leak detection & repair
  • Appliance connection & conversion
  • Pressure testing & certification
  • Generator gas line installation
Learn More
PEX & Copper

Whole-Home Repiping

Galvanized steel, polybutylene, and aging copper pipes fail silently until they don't. We repipe entire homes in PEX or copper — minimizing wall damage and completing most jobs in 1–2 days.

  • Full PEX repipe
  • Copper repipe
  • Galvanized replacement
  • Polybutylene removal
  • Crawl space & basement repiping
Learn More
Restaurants · Retail · Office

Commercial Plumbing

Grease trap cleaning, commercial drain jetting, lift station service, backflow prevention, and full commercial plumbing for restaurants, retail, and office buildings across Southern Maryland.

  • Grease trap service
  • Commercial drain jetting
  • Lift station cleaning
  • Backflow prevention
  • Commercial water heaters
Learn More
Priority Club Membership

Never Wait for a Plumber Again.

Priority Club members get front-of-line scheduling, no emergency dispatch fees, annual plumbing inspections, and exclusive member discounts. For homeowners who want to stay ahead of problems — not react to them.

Priority Scheduling

Front of the line — always. No waiting weeks for an appointment.

No Emergency Dispatch Fee

No extra charge for after-hours emergency calls.

Annual Plumbing Inspection

Catch problems before they become emergencies.

Member Discounts

10% off all parts and labor on every service call.

Meet the Team

The People Behind Every Job

A family-owned, woman-operated company based in Dunkirk, MD. When you call Deep Dive, you get us — not a call center.

Priscilla Foster — Owner & Operator at Deep Dive Plumbing Maryland

Priscilla Foster

Owner & Operator

Terry Foster Jr. — Plumbing Manager & Master Plumber #98433 at Deep Dive Plumbing Maryland

Terry Foster Jr.

Plumbing Manager & Master Plumber #98433

Terry Foster Sr. — Journeyman Plumber at Deep Dive Plumbing Maryland

Terry Foster Sr.

Journeyman Plumber

Jordan — Journeyman Plumber at Deep Dive Plumbing Maryland

Jordan

Journeyman Plumber

Leon — Journeyman Plumber at Deep Dive Plumbing Maryland

Leon

Journeyman Plumber

Anthony — Apprentice at Deep Dive Plumbing Maryland

Anthony

Apprentice

Financing Available

Don't Let Cost Stop You From Fixing It Right.

Well pump replacement, whole-home filtration, tankless water heater installation — these are significant investments. We offer flexible financing options so you can get the right solution now and pay over time.

View Financing Options

0% Interest Options

Qualified customers can finance with no interest for 12–18 months.

Low Monthly Payments

Spread the cost of major repairs over 24–60 months.

Fast Approval

Apply online or over the phone — decisions in minutes.

No Prepayment Penalty

Pay off early at any time with no fees.

Deep Dive Plumbing Maryland mascot — cartoon deep sea diver

Got a Plumbing Problem?

We Dive Deeper To Solve The Problem

Terry and the Deep Dive team are ready to dive in — calm, precise, and on your side.

Licensed & Insured · Serving Maryland · Calm Under Pressure™

24/7 Emergency AvailableAvg response: 60 min