A95/100
HARRIS COUNTY MUD 120 — Water Quality Report 2026
Serving 10,983 people · Texas
Water Source
Groundwater
County
—
System ID
TX1010774
Violations
2
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 2013.
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 120
Is HARRIS COUNTY MUD 120 water safe to drink?
HARRIS COUNTY MUD 120 water receives a grade of A (95/100), which is considered excellent. Out of 66 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 MUD 120 detected?
66 contaminants were tested in HARRIS COUNTY MUD 120's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HARRIS COUNTY MUD 120 have any EPA violations?
Yes, HARRIS COUNTY MUD 120 has 2 EPA violation(s) on record, with the most recent in 2013. Violation types include MR.
How many people does HARRIS COUNTY MUD 120 serve?
HARRIS COUNTY MUD 120 serves approximately 10,983 people, Texas.
What type of water does HARRIS COUNTY MUD 120 provide?
HARRIS COUNTY MUD 120 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1010774.
How does HARRIS COUNTY MUD 120 compare to other utilities in Texas?
HARRIS COUNTY MUD 120 scores 95/100 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.