Lead Pipe Map

Texas · population 3,620

Lead pipes in Karnes, TX

342 lines still unidentified

Most of Karnes (population 3,620) gets its water from City of Karnes City. It reported no confirmed lead service lines, but 342 of 1,367 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of City of Karnes City's service lines are lead or galvanized requiring replacement, lower than the Texas average (1.2%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
342Unknown material
1,025Non-lead

Latest lead test for City of Karnes City (Jan 2024–Dec 2026): 1.2 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 2 Lead and Copper Rule violations since 2015, 1 still open for City of Karnes City.

Water systems serving Karnes

Water systemLeadGalv.Unknown% lead
City of Karnes CityMain system003420%
El Oso WSCServes nearby areas002,0600%

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 Karnes

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

Find the official inventory mapCity of Karnes City 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 Karnes, TX have lead pipes?

None are confirmed, but City of Karnes City still lists 342 service lines as unknown material.

Who supplies water to Karnes?

EPA's service area maps place most of Karnes in City of Karnes City's service area (PWSID TX1280001). El Oso WSC also serves parts of the city or nearby areas.

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

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