Lead Pipe Map

Texas · population 17,535

Lead pipes in Mercedes, TX

872 lines still unidentified

Most of Mercedes (population 17,535) gets its water from City of Mercedes. It reported no confirmed lead service lines, but 872 of 4,314 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of City of Mercedes'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
872Unknown material
3,442Non-lead

Latest lead test for City of Mercedes (Jan 2023–Dec 2025): 3.7 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for City of Mercedes.

Water systems serving Mercedes

Water systemLeadGalv.Unknown% lead
City of MercedesMain system008720%
North Alamo WSCServes nearby areas010<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 Mercedes

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

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

None are confirmed, but City of Mercedes still lists 872 service lines as unknown material.

Who supplies water to Mercedes?

EPA's service area maps place most of Mercedes in City of Mercedes's service area (PWSID TX1080007). North Alamo WSC also serves parts of the city or nearby areas.

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

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