A100/100
HARRIS COUNTY MUD 397 — Water Quality Report 2026
Serving 4,413 people · Texas
Water Source
Purchased Groundwater
County
—
System ID
TX1013295
Violations
0
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 397
Is HARRIS COUNTY MUD 397 water safe to drink?
HARRIS COUNTY MUD 397 water receives a grade of A (100/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has HARRIS COUNTY MUD 397 detected?
31 contaminants were tested in HARRIS COUNTY MUD 397's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does HARRIS COUNTY MUD 397 have any EPA violations?
No, HARRIS COUNTY MUD 397 has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does HARRIS COUNTY MUD 397 serve?
HARRIS COUNTY MUD 397 serves approximately 4,413 people, Texas.
What type of water does HARRIS COUNTY MUD 397 provide?
HARRIS COUNTY MUD 397 sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1013295.
How does HARRIS COUNTY MUD 397 compare to other utilities in Texas?
HARRIS COUNTY MUD 397 scores 100/100 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.