Plumbing in Delmar, MD
Plumbing repairs, water heaters and drain cleaning for Delmar homes.
Local facts
Water supplier
Delmar Utility Commission: one system permitted in both Maryland and Delaware, drawing from two wells in the Manokin aquifer
Water quality
Nitrate 2.8 ppm on the Maryland side (limit 10); lead 90th percentile 1.8 ppb; no lead or galvanized service lines found needing replacement
Homes
Median home built around 2005 on the Maryland side; about 67% built in 2000 or later and about 14% before 1940
Sewer
Town sewer for both sides of the line, treated at the wastewater plant on the Maryland side, upgraded in 2011
ZIP code
21875
Landmarks
State Street (Route 54) along the state line, US 13 (Ocean Highway), MD 675, Town Hall on S. Pennsylvania Ave, Delmar Elementary School
Delmar sits directly north of Salisbury on US 13, right where Maryland meets Delaware, with State Street running along the state line. Whether you live near Town Hall on S. Pennsylvania Avenue, close to Delmar Elementary or in one of the newer neighborhoods off US 13, call (410) 968-5894 for plumbing help.
We handle repairs, water heaters and drains across 21875 and nearby Wicomico County towns.
Call (410) 968-5894
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Delmar calls itself "The Little Town Too Big for One State." The Delmar Utility Commission runs one water and sewer system for both towns: the water plant is on the Delaware side, the wastewater plant is on the Maryland side, and the system is permitted and tested by both states. Water comes from two Manokin aquifer wells, and the utility's records review found no lead or galvanized service lines needing replacement.
Leak repair and fixture work Delmar homes need start with a call.
Call (410) 968-5894
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About two-thirds of homes on the Maryland side were built in 2000 or later, so many are reaching the age when original water heaters, shut-off valves and fill valves wear out. The town dates to 1859 and the railroad, and about one in seven homes was built before 1940, where older drain and supply lines are more common. We also handle drain cleaning Delmar homes need when kitchen or main lines slow down.
Looking for a plumber Delmar MD residents trust? Call to talk through your plumbing problem.
Call (410) 968-5894
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Water heaters at the end of their first life
Many heaters installed when newer homes were built are now leaking, rumbling or running short on hot water.
Worn valves and running toilets
Shut-off valves, fill valves and flappers in 2000s-era homes start to fail with age.
Aging pipes in older homes
Homes built before 1940 may still have original supply and drain lines.
Slow kitchen and main drains
Grease and buildup in drain lines lead to recurring clogs.
No. The Delmar Utility Commission runs one system for both towns and reports results to both states. The 2025 report shows low nitrate on both sides and lead well under the action level.
The utility's 2025 report says a records review found no lead or galvanized service lines needing replacement. Older homes can still have older plumbing inside the house, so call if you want your pipes looked at.
Start with the water heater, the shut-off valves under sinks and toilets, and the toilet fill valves. A yearly heater flush and replacing stiff valves before they fail help avoid leaks.
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