B78/100
HARRIS COUNTY MUD 304 — Water Quality Report 2026
Serving 4,158 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1012941
Violations
11
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.96 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 HARRIS COUNTY MUD 304
Is HARRIS COUNTY MUD 304 water safe to drink?
HARRIS COUNTY MUD 304 water receives a grade of B (78/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HARRIS COUNTY MUD 304 detected?
32 contaminants were tested in HARRIS COUNTY MUD 304's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does HARRIS COUNTY MUD 304 have any EPA violations?
Yes, HARRIS COUNTY MUD 304 has 11 EPA violation(s) on record, with the most recent in 2017. Violation types include Other, MR.
How many people does HARRIS COUNTY MUD 304 serve?
HARRIS COUNTY MUD 304 serves approximately 4,158 people, Texas.
What type of water does HARRIS COUNTY MUD 304 provide?
HARRIS COUNTY MUD 304 sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX1012941.
How does HARRIS COUNTY MUD 304 compare to other utilities in Texas?
HARRIS COUNTY MUD 304 scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Texas state page for a full comparison of water systems.