B74/100
GALVESTON COUNTY MUD 12 — Water Quality Report 2026
Serving 2,900 people · Texas
Water Source
Purchased Surface Water
County
—
System ID
TX0840021
Violations
10
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: May 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – April 1, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – April 1, 2025Rule: Ground Water 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 GALVESTON COUNTY MUD 12
Is GALVESTON COUNTY MUD 12 water safe to drink?
GALVESTON COUNTY MUD 12 water receives a grade of B (74/100), which is considered good. Out of 4 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has GALVESTON COUNTY MUD 12 detected?
4 contaminants were tested in GALVESTON COUNTY MUD 12's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GALVESTON COUNTY MUD 12 have any EPA violations?
Yes, GALVESTON COUNTY MUD 12 has 10 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 4 are health-based violations.
How many people does GALVESTON COUNTY MUD 12 serve?
GALVESTON COUNTY MUD 12 serves approximately 2,900 people, Texas.
What type of water does GALVESTON COUNTY MUD 12 provide?
GALVESTON COUNTY MUD 12 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 TX0840021.
How does GALVESTON COUNTY MUD 12 compare to other utilities in Texas?
GALVESTON COUNTY MUD 12 scores 74/100 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.