Lead Pipe Map

Ohio · population 46,521

Lead pipes in Delaware, OH

212 lead or galvanized lines to replace

Most of Delaware (population 46,521) gets its water from Delaware City PWS. That system reported 43 lead and 169 galvanized-requiring-replacement service lines out of 15,297, with 12,049 more of unknown material.

1.4% of Delaware City PWS's service lines are lead or galvanized requiring replacement, lower than the Ohio average (8.8%) and lower than the national average (3.1%).

43Lead
169Galvanized, replace
12,049Unknown material
3,036Non-lead

Latest lead test for Delaware City PWS (Jan 2022–Dec 2024): not detected 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 Delaware City PWS.

Water systems serving Delaware

Water systemLeadGalv.Unknown% lead
Delaware City PWSMain system4316912,0491.4%
Del-Co Water Company, INC.Serves nearby areas208,677<0.1%

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 Delaware

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

Find the official inventory mapDelaware City PWS 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 Delaware, OH have lead pipes?

Yes. Delaware City PWS, which serves Delaware, reported 43 lead and 169 galvanized-requiring-replacement service lines, plus 12,049 of unknown material.

Who supplies water to Delaware?

EPA's service area maps place most of Delaware in Delaware City PWS's service area (PWSID OH2100311). Del-Co Water Company, INC. also serves parts of the city or nearby areas.

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

Search your address on Delaware City PWS'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 Delaware 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 Delaware City PWS whether your street is scheduled and whether it covers the private side.