F0/100
HARRIS COUNTY MUD 105 — Water Quality Report 2026
Serving 14,151 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX1011227
Violations
26
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 2012.
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 105
Is HARRIS COUNTY MUD 105 water safe to drink?
HARRIS COUNTY MUD 105 water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 26 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has HARRIS COUNTY MUD 105 detected?
31 contaminants were tested in HARRIS COUNTY MUD 105's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HARRIS COUNTY MUD 105 have any EPA violations?
Yes, HARRIS COUNTY MUD 105 has 26 EPA violation(s) on record, with the most recent in 2012. Violation types include Other, MCL, MR. 18 are health-based violations.
How many people does HARRIS COUNTY MUD 105 serve?
HARRIS COUNTY MUD 105 serves approximately 14,151 people, Texas.
What type of water does HARRIS COUNTY MUD 105 provide?
HARRIS COUNTY MUD 105 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 TX1011227.
How does HARRIS COUNTY MUD 105 compare to other utilities in Texas?
HARRIS COUNTY MUD 105 scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.