F0/100
CITY OF LOS FRESNOS — Water Quality Report 2026
Serving 6,009 people · Texas
Water Source
Surface Water
County
—
System ID
TX0310004
Violations
65
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.75 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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
Frequently Asked Questions About CITY OF LOS FRESNOS
Is CITY OF LOS FRESNOS water safe to drink?
CITY OF LOS FRESNOS water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 65 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF LOS FRESNOS detected?
32 contaminants were tested in CITY OF LOS FRESNOS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does CITY OF LOS FRESNOS have any EPA violations?
Yes, CITY OF LOS FRESNOS has 65 EPA violation(s) on record, with the most recent in 2016. Violation types include TT, Other, MR. 15 are health-based violations.
How many people does CITY OF LOS FRESNOS serve?
CITY OF LOS FRESNOS serves approximately 6,009 people, Texas.
What type of water does CITY OF LOS FRESNOS provide?
CITY OF LOS FRESNOS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX0310004.
How does CITY OF LOS FRESNOS compare to other utilities in Texas?
CITY OF LOS FRESNOS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.