A88/100
WEST HARRIS COUNTY MUD 1 — Water Quality Report 2026
Serving 1,581 people · Texas
Water Source
Purchased Groundwater
County
—
System ID
TX1010925
Violations
9
Contaminant Test Results
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
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: January 7, 2023 – May 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – September 30, 2021Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
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 WEST HARRIS COUNTY MUD 1
Is WEST HARRIS COUNTY MUD 1 water safe to drink?
WEST HARRIS COUNTY MUD 1 water receives a grade of A (88/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WEST HARRIS COUNTY MUD 1 detected?
31 contaminants were tested in WEST HARRIS COUNTY MUD 1's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WEST HARRIS COUNTY MUD 1 have any EPA violations?
Yes, WEST HARRIS COUNTY MUD 1 has 9 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MR.
How many people does WEST HARRIS COUNTY MUD 1 serve?
WEST HARRIS COUNTY MUD 1 serves approximately 1,581 people, Texas.
What type of water does WEST HARRIS COUNTY MUD 1 provide?
WEST HARRIS COUNTY MUD 1 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1010925.
How does WEST HARRIS COUNTY MUD 1 compare to other utilities in Texas?
WEST HARRIS COUNTY MUD 1 scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Texas state page for a full comparison of water systems.