D34/100
SHAMROCK MUNICIPAL WATER SYSTEM — Water Quality Report 2026
Serving 2,311 people · Texas
Water Source
Groundwater
County
—
System ID
TX2420001
Violations
38
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: March 1, 2025 – March 31, 2025Rule: Total Coliform RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 1 — URGENTResolved
Exceeded the Maximum Contaminant Level (single sample)
When: July 1, 2022 – September 30, 2022Enforcement: 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 SHAMROCK MUNICIPAL WATER SYSTEM
Is SHAMROCK MUNICIPAL WATER SYSTEM water safe to drink?
SHAMROCK MUNICIPAL WATER SYSTEM water receives a grade of D (34/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 38 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SHAMROCK MUNICIPAL WATER SYSTEM detected?
1 contaminants were tested in SHAMROCK MUNICIPAL WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SHAMROCK MUNICIPAL WATER SYSTEM have any EPA violations?
Yes, SHAMROCK MUNICIPAL WATER SYSTEM has 38 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MCL, MR. 7 are health-based violations.
How many people does SHAMROCK MUNICIPAL WATER SYSTEM serve?
SHAMROCK MUNICIPAL WATER SYSTEM serves approximately 2,311 people, Texas.
What type of water does SHAMROCK MUNICIPAL WATER SYSTEM provide?
SHAMROCK MUNICIPAL WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX2420001.
How does SHAMROCK MUNICIPAL WATER SYSTEM compare to other utilities in Texas?
SHAMROCK MUNICIPAL WATER SYSTEM scores 34/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.