B77/100
WEST HARRIS COUNTY MUD 9 — Water Quality Report 2026
Serving 5,961 people · Texas
Water Source
Groundwater
County
—
System ID
TX1011798
Violations
7
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 9
Is WEST HARRIS COUNTY MUD 9 water safe to drink?
WEST HARRIS COUNTY MUD 9 water receives a grade of B (77/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has WEST HARRIS COUNTY MUD 9 detected?
31 contaminants were tested in WEST HARRIS COUNTY MUD 9's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does WEST HARRIS COUNTY MUD 9 have any EPA violations?
Yes, WEST HARRIS COUNTY MUD 9 has 7 EPA violation(s) on record, with the most recent in 2019. Violation types include MCL, MR. 4 are health-based violations.
How many people does WEST HARRIS COUNTY MUD 9 serve?
WEST HARRIS COUNTY MUD 9 serves approximately 5,961 people, Texas.
What type of water does WEST HARRIS COUNTY MUD 9 provide?
WEST HARRIS COUNTY MUD 9 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1011798.
How does WEST HARRIS COUNTY MUD 9 compare to other utilities in Texas?
WEST HARRIS COUNTY MUD 9 scores 77/100 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.