Lead Pipe Map

Delaware · population 2,537

Lead pipes in Cheswold, DE

18 lead or galvanized lines to replace

Most of Cheswold (population 2,537) gets its water from Garrison Lake Pump District. That system reported 0 lead and 18 galvanized-requiring-replacement service lines out of 4,963, with 412 more of unknown material.

0.4% of Garrison Lake Pump District's service lines are lead or galvanized requiring replacement, lower than the Delaware average (1.9%) and lower than the national average (3.1%).

0Lead
18Galvanized, replace
412Unknown material
4,533Non-lead

Latest lead test for Garrison Lake Pump District (Jul 2025–Dec 2025): 0.8 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for Garrison Lake Pump District.

Water systems serving Cheswold

Water systemLeadGalv.Unknown% lead
Garrison Lake Pump DistrictMain system0184120.4%
BurtonwoodAlso serves parts of the city0000%
Pinewood AcresAlso serves parts of the city0000%

Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.

Check your address in Cheswold

The counts above cover the whole water system. To see whether your line is lead, look up your address on Garrison Lake Pump District's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapGarrison Lake Pump District details

No map yet? Do the 2-minute scratch and magnet test.

Protect your drinking water

If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Cheswold, DE have lead pipes?

Yes. Garrison Lake Pump District, which serves Cheswold, reported 0 lead and 18 galvanized-requiring-replacement service lines, plus 412 of unknown material.

Who supplies water to Cheswold?

EPA's service area maps place most of Cheswold in Garrison Lake Pump District's service area (PWSID DE0000004). Burtonwood, Pinewood Acres also serve parts of the city or nearby areas.

How do I check whether my Cheswold home has a lead service line?

Search your address on Garrison Lake Pump District's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.

When will lead pipes in Cheswold be replaced?

EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask Garrison Lake Pump District whether your street is scheduled and whether it covers the private side.