Well Pressure Tank Replacement — Edgewater, MD
An Edgewater homeowner noticed their pump was running every 30 seconds. We diagnosed a waterlogged pressure tank with a failed bladder, replaced it with a properly sized unit, and the pump now cycles normally — extending its expected lifespan by years.
The Problem
A homeowner in Edgewater called us after noticing their well pump was running constantly — cycling on and off every 20–30 seconds. The water pressure was fluctuating noticeably at fixtures. They were concerned about their electricity bill and the pump wearing out.
Our Diagnosis
We checked the pressure tank pre-charge pressure — it was zero, indicating a failed bladder. The tank was completely waterlogged. Without the air cushion, the tank provides no storage capacity, so the pump must start every time any water is drawn — even a small amount. The pump was cycling 80–100 times per hour, far beyond its design specification of 100 cycles per day.
The Repair Process
- 1Confirmed waterlogged pressure tank with pre-charge pressure test
- 2Shut off pump breaker and drained pressure from system
- 3Removed failed 20-gallon pressure tank
- 4Installed new 44-gallon Amtrol WX-202 pressure tank — properly sized for household demand
- 5Set pre-charge pressure to 38 PSI (2 PSI below cut-in pressure of 40 PSI)
- 6Restored power and verified pump cycling — normal 2-3 minute run cycles
- 7Checked pressure switch contacts and calibration
- 8Tested water pressure at multiple fixtures
The Outcome
The pump now cycles normally — 8–12 times per day instead of 80–100. Water pressure is steady at 50–60 PSI. The homeowner reported their electricity bill dropped noticeably the following month. The pump, which was in good condition, should now reach its full expected lifespan.
Key Takeaway
A waterlogged pressure tank is one of the most common and most damaging well system problems. The fix is simple and inexpensive — but ignoring it will destroy a pump that might otherwise last 15–20 years.
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Dunkirk, MD
June 2026
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