A95/100
CITY OF MUENSTER — Water Quality Report 2026
Serving 1,536 people · Texas
Water Source
Groundwater
County
—
System ID
TX0490002
Violations
5
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: December 1, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 29, 2024 – December 3, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – July 5, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – December 19, 2023Enforcement: 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 CITY OF MUENSTER
Is CITY OF MUENSTER water safe to drink?
CITY OF MUENSTER water receives a grade of A (95/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has CITY OF MUENSTER detected?
1 contaminants were tested in CITY OF MUENSTER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF MUENSTER have any EPA violations?
Yes, CITY OF MUENSTER has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does CITY OF MUENSTER serve?
CITY OF MUENSTER serves approximately 1,536 people, Texas.
What type of water does CITY OF MUENSTER provide?
CITY OF MUENSTER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX0490002.
How does CITY OF MUENSTER compare to other utilities in Texas?
CITY OF MUENSTER 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.