Damascus homes mostly date from the 1970s through the 1990s, and many have basement sump pumps that have been running for decades in pits that were never upgraded. Some properties beyond the town core are not on public sewer, which limits where pump water can go. Call the number on this page to be connected with a local plumber in Damascus.

Signs to watch for
- Water standing in the pit after a storm and no motor noise
- The pump runs but the basin level barely drops
- A gurgle of water sliding back into the pit as it shuts off
- Rust streaks, a cracked basin or a missing lid
- Damp carpet or a white mineral line along the lower walls
- The breaker or GFCI trips when the pump starts
Local conditions in Damascus
Damascus is a historically rural community where MD 27, MD 108 and MD 124 meet, surrounded by family farms and equestrian land. About 35 percent of homes were built before 1980 and another 37 percent in the 1980s, which is older than most of upper Montgomery County. Pumps from those decades have often been replaced once already, but basins, check valves and discharge lines frequently have not.
WSSC Water serves the Damascus core, and WSSC runs a small local wastewater plant, the Damascus Water Resource Recovery Facility. Farther out, Montgomery County assigns each property a water and sewer category, and some are set up for private wells and onsite wastewater systems. On those properties, sump water must never go into the onsite system, and a water-powered backup pump is not an option without public water.
What affects the cost
- Fixing a switch or valve versus installing a new pump
- Replacing an old basin or adding a sealed lid
- Long discharge runs on larger or sloped lots
- A battery backup for homes that lose power in storms
- Ejector pump work for a basement bathroom
- Any permit through WSSC Water Permit Services
What happens when you call
The number connects you with an independent plumber who covers Damascus and the surrounding upcounty area. Say whether water is rising now, whether the pit handles groundwater or wastewater, and whether your home is on public sewer or a private system. If water is near an outlet, shut off that circuit before going near the pit. The plumber can tell you whether the job needs a WSSC permit. If you know roughly how old the pump is, or whether the basin and check valve have ever been replaced, share that too; it helps decide between a repair and a full swap.
Sump Pumps questions in Damascus
Can a sump pump empty into a private onsite wastewater system?
Is a battery backup pump worth adding?
What should I do if the pit is overflowing right now?
Why does my pump run when it has not rained?
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