B68/100
MASON CREEK UTILITY DISTRICT — Water Quality Report 2026
Serving 8,900 people · Texas
Water Source
Groundwater
County
—
System ID
TX1010379
Violations
25
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 2019.
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 MASON CREEK UTILITY DISTRICT
Is MASON CREEK UTILITY DISTRICT water safe to drink?
MASON CREEK UTILITY DISTRICT water receives a grade of B (68/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MASON CREEK UTILITY DISTRICT detected?
31 contaminants were tested in MASON CREEK UTILITY DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MASON CREEK UTILITY DISTRICT have any EPA violations?
Yes, MASON CREEK UTILITY DISTRICT has 25 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does MASON CREEK UTILITY DISTRICT serve?
MASON CREEK UTILITY DISTRICT serves approximately 8,900 people, Texas.
What type of water does MASON CREEK UTILITY DISTRICT provide?
MASON CREEK UTILITY DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1010379.
How does MASON CREEK UTILITY DISTRICT compare to other utilities in Texas?
MASON CREEK UTILITY DISTRICT scores 68/100 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.