A89/100
NORTHWEST HARRIS COUNTY MUD 28 — Water Quality Report 2026
Serving 1,605 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1013258
Violations
11
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 28
Is NORTHWEST HARRIS COUNTY MUD 28 water safe to drink?
NORTHWEST HARRIS COUNTY MUD 28 water receives a grade of A (89/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has NORTHWEST HARRIS COUNTY MUD 28 detected?
1 contaminants were tested in NORTHWEST HARRIS COUNTY MUD 28's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NORTHWEST HARRIS COUNTY MUD 28 have any EPA violations?
Yes, NORTHWEST HARRIS COUNTY MUD 28 has 11 EPA violation(s) on record, with the most recent in 2010. Violation types include MR, Other.
How many people does NORTHWEST HARRIS COUNTY MUD 28 serve?
NORTHWEST HARRIS COUNTY MUD 28 serves approximately 1,605 people, Texas.
What type of water does NORTHWEST HARRIS COUNTY MUD 28 provide?
NORTHWEST HARRIS COUNTY MUD 28 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 TX1013258.
How does NORTHWEST HARRIS COUNTY MUD 28 compare to other utilities in Texas?
NORTHWEST HARRIS COUNTY MUD 28 scores 89/100 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.