B73/100
CITY OF HARKER HEIGHTS — Water Quality Report 2026
Serving 34,834 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0140023
Violations
11
Contaminant Test Results
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 CITY OF HARKER HEIGHTS
Is CITY OF HARKER HEIGHTS water safe to drink?
CITY OF HARKER HEIGHTS water receives a grade of B (73/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF HARKER HEIGHTS detected?
69 contaminants were tested in CITY OF HARKER HEIGHTS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF HARKER HEIGHTS have any EPA violations?
Yes, CITY OF HARKER HEIGHTS has 11 EPA violation(s) on record, with the most recent in 2017. Violation types include MON, Other, MR. 4 are health-based violations.
How many people does CITY OF HARKER HEIGHTS serve?
CITY OF HARKER HEIGHTS serves approximately 34,834 people, Texas.
What type of water does CITY OF HARKER HEIGHTS provide?
CITY OF HARKER HEIGHTS 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 TX0140023.
How does CITY OF HARKER HEIGHTS compare to other utilities in Texas?
CITY OF HARKER HEIGHTS scores 73/100 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.