A96/100
Mexico Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,425 residents · Maine
What's In Mexico's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1995.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
MEXICO WATER DISTRICT
Population Served
2,425
Water Source
Groundwater
System ID
ME0090970
Frequently Asked Questions About Mexico Water
Is Mexico tap water safe to drink?
Mexico, Maine tap water receives a grade of A (96/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Mexico's water?
Of the 1 contaminants tested in Mexico's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Mexico have any water quality violations?
Yes, Mexico has 1 EPA violation(s) on record, with the most recent in 1995. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Mexico?
Mexico water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Mexico's tap water come from?
Mexico's drinking water is sourced from groundwater and supplied by MEXICO WATER DISTRICT. The system serves approximately 2,425 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Mexico's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Mexico's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Mexico's water compare to other cities in Maine?
Mexico's water quality score of 96/100 earns a grade of A, which is considered excellent. This places Mexico among the better-performing water systems in Maine. Visit our Maine state page to see how all cities in the state compare.
What should I do if I'm concerned about Mexico's water quality?
If you have concerns about Mexico's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MEXICO WATER DISTRICT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.