Lead Pipe Map

Texas · population 38,789

Lead pipes in Seguin, TX

2,216 lead or galvanized lines to replace

Most of Seguin (population 38,789) gets its water from City of Seguin. That system reported 4 lead and 2,212 galvanized-requiring-replacement service lines out of 10,646, with 1,957 more of unknown material.

21% of City of Seguin's service lines are lead or galvanized requiring replacement, higher than the Texas average (1.2%) and higher than the national average (3.1%).

4Lead
2,212Galvanized, replace
1,957Unknown material
6,473Non-lead

Latest lead test for City of Seguin (Jan 2023–Dec 2025): 1.5 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 City of Seguin.

Water systems serving Seguin

Water systemLeadGalv.Unknown% lead
City of SeguinMain system42,2121,95721%
Springs Hill SUDServes nearby areas004,2420%

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 Seguin

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

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.

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

Nearby cities

Check another water system

Questions

Does Seguin, TX have lead pipes?

Yes. City of Seguin, which serves Seguin, reported 4 lead and 2,212 galvanized-requiring-replacement service lines, plus 1,957 of unknown material.

Who supplies water to Seguin?

EPA's service area maps place most of Seguin in City of Seguin's service area (PWSID TX0940002). Springs Hill SUD also serves parts of the city or nearby areas.

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

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