B78/100
HARRIS COUNTY FWSD 51 — Water Quality Report 2026
Serving 19,671 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1010238
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 FWSD 51
Is HARRIS COUNTY FWSD 51 water safe to drink?
HARRIS COUNTY FWSD 51 water receives a grade of B (78/100), which is considered good. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has HARRIS COUNTY FWSD 51 detected?
69 contaminants were tested in HARRIS COUNTY FWSD 51's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HARRIS COUNTY FWSD 51 have any EPA violations?
Yes, HARRIS COUNTY FWSD 51 has 7 EPA violation(s) on record, with the most recent in 2015. Violation types include Other, MCL, MR. 3 are health-based violations.
How many people does HARRIS COUNTY FWSD 51 serve?
HARRIS COUNTY FWSD 51 serves approximately 19,671 people, Texas.
What type of water does HARRIS COUNTY FWSD 51 provide?
HARRIS COUNTY FWSD 51 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 TX1010238.
How does HARRIS COUNTY FWSD 51 compare to other utilities in Texas?
HARRIS COUNTY FWSD 51 scores 78/100 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.