A95/100
NORTHWEST HARRIS COUNTY MUD 6 — Water Quality Report 2026
Serving 2,256 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1011008
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: January 30, 2022 – March 9, 2022Rule: Ground Water RuleEnforcement: 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 NORTHWEST HARRIS COUNTY MUD 6
Is NORTHWEST HARRIS COUNTY MUD 6 water safe to drink?
NORTHWEST HARRIS COUNTY MUD 6 water receives a grade of A (95/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NORTHWEST HARRIS COUNTY MUD 6 detected?
1 contaminants were tested in NORTHWEST HARRIS COUNTY MUD 6's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORTHWEST HARRIS COUNTY MUD 6 have any EPA violations?
Yes, NORTHWEST HARRIS COUNTY MUD 6 has 2 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR.
How many people does NORTHWEST HARRIS COUNTY MUD 6 serve?
NORTHWEST HARRIS COUNTY MUD 6 serves approximately 2,256 people, Texas.
What type of water does NORTHWEST HARRIS COUNTY MUD 6 provide?
NORTHWEST HARRIS COUNTY MUD 6 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 TX1011008.
How does NORTHWEST HARRIS COUNTY MUD 6 compare to other utilities in Texas?
NORTHWEST HARRIS COUNTY MUD 6 scores 95/100 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.