Lead Pipe Map

Pennsylvania · population 4,660

Lead pipes in Cornwall, PA

17 lead or galvanized lines to replace

Most of Cornwall (population 4,660) gets its water from Borough of Cornwall. That system reported 4 lead and 13 galvanized-requiring-replacement service lines out of 1,659, with 506 more of unknown material.

1.0% of Borough of Cornwall's service lines are lead or galvanized requiring replacement, lower than the Pennsylvania average (2.9%) and lower than the national average (3.1%).

4Lead
13Galvanized, replace
506Unknown material
1,136Non-lead

Latest lead test for Borough of Cornwall (Jun 2025–Sep 2025): 2 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 Borough of Cornwall.

Water systems serving Cornwall

Water systemLeadGalv.Unknown% lead
Borough of CornwallMain system4135061.0%
West Cornwall Township MaServes nearby areas161622.0%

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 Cornwall

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

Find the official inventory mapBorough of Cornwall 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 Cornwall, PA have lead pipes?

Yes. Borough of Cornwall, which serves Cornwall, reported 4 lead and 13 galvanized-requiring-replacement service lines, plus 506 of unknown material.

Who supplies water to Cornwall?

EPA's service area maps place most of Cornwall in Borough of Cornwall's service area (PWSID PA7380007). West Cornwall Township Ma also serves parts of the city or nearby areas.

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

Search your address on Borough of Cornwall'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 Cornwall 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 Borough of Cornwall whether your street is scheduled and whether it covers the private side.