Missouri · population 11,482
Lead pipes in Mexico, MO
371 lead or galvanized lines to replace
Most of Mexico (population 11,482) gets its water from Mo American Mexico. That system reported 178 lead and 193 galvanized-requiring-replacement service lines out of 5,491, with 1,326 more of unknown material.
6.8% of Mo American Mexico's service lines are lead or galvanized requiring replacement, higher than the Missouri average (3.3%) and higher than the national average (3.1%).
- Lead 3.2%
- Galvanized (replace) 3.5%
- Unknown 24%
- Non-lead 69%
Latest lead test for Mo American Mexico (Jan 2023–Dec 2025): 1 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 Mo American Mexico.
Water systems serving Mexico
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Mo American MexicoMain system | 178 | 193 | 1,326 | 6.8% |
| Audrain County Consolidated PWSD 2Also serves parts of the city | 0 | 0 | 497 | 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 Mexico
The counts above cover the whole water system. To see whether your line is lead, look up your address on Mo American Mexico'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
- Auxvasse2 lead + galv. lines
- Centralia53 lead + galv. lines
- Wellsvilleno lead reported
- Hallsvilleno lead reported
- Fulton7 lead + galv. lines
- Paris4 lead + galv. lines
- Vandalia1,162 unknown
- Montgomeryno lead reported
Check another water system
Questions
Does Mexico, MO have lead pipes?
Yes. Mo American Mexico, which serves Mexico, reported 178 lead and 193 galvanized-requiring-replacement service lines, plus 1,326 of unknown material.
Who supplies water to Mexico?
EPA's service area maps place most of Mexico in Mo American Mexico's service area (PWSID MO2010519). Audrain County Consolidated PWSD 2 also serves parts of the city or nearby areas.
How do I check whether my Mexico home has a lead service line?
Search your address on Mo American Mexico'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 Mexico 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 Mo American Mexico whether your street is scheduled and whether it covers the private side.