A93/100
HARRIS COUNTY MUD 370 — Water Quality Report 2026
Serving 4,452 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1013113
Violations
4
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
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2022 – August 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 370
Is HARRIS COUNTY MUD 370 water safe to drink?
HARRIS COUNTY MUD 370 water receives a grade of A (93/100), which is considered excellent. Out of 34 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 370 detected?
34 contaminants were tested in HARRIS COUNTY MUD 370's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HARRIS COUNTY MUD 370 have any EPA violations?
Yes, HARRIS COUNTY MUD 370 has 4 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MR, Other.
How many people does HARRIS COUNTY MUD 370 serve?
HARRIS COUNTY MUD 370 serves approximately 4,452 people, Texas.
What type of water does HARRIS COUNTY MUD 370 provide?
HARRIS COUNTY MUD 370 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 TX1013113.
How does HARRIS COUNTY MUD 370 compare to other utilities in Texas?
HARRIS COUNTY MUD 370 scores 93/100 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.