Texas · population 20,194
Lead pipes in La Marque, TX
9 lead or galvanized lines to replace
Most of La Marque (population 20,194) gets its water from City of la Marque. That system reported 1 lead and 8 galvanized-requiring-replacement service lines out of 9,594, with 5,992 more of unknown material.
<0.1% of City of la Marque's service lines are lead or galvanized requiring replacement, lower than the Texas average (1.2%) and lower than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) <0.1%
- Unknown 62%
- Non-lead 37%
Latest lead test for City of la Marque (Jan 2023–Dec 2025): 0.6 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, 1 still open for City of la Marque.
Water systems serving La Marque
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of la MarqueMain system | 1 | 8 | 5,992 | <0.1% |
| City of Texas CityServes nearby areas | 0 | 26 | 0 | 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 La Marque
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of la Marque'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
- Bayou Vista264 unknown
- Santa Feno lead reported
- Dickinsonno lead reported
- Tiki Islandno lead reported
- League194 lead + galv. lines
- Kemahno lead reported
- Clear Lake Shoresno lead reported
- Jamaica Beachno lead reported
Check another water system
Questions
Does La Marque, TX have lead pipes?
Yes. City of la Marque, which serves La Marque, reported 1 lead and 8 galvanized-requiring-replacement service lines, plus 5,992 of unknown material.
Who supplies water to La Marque?
EPA's service area maps place most of La Marque in City of la Marque's service area (PWSID TX0840006). City of Texas City also serves parts of the city or nearby areas.
How do I check whether my La Marque home has a lead service line?
Search your address on City of la Marque'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 La Marque 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 la Marque whether your street is scheduled and whether it covers the private side.