A89/100
TCW SUPPLY — Water Quality Report 2026
Serving 2,220 people · Texas
Water Source
Groundwater
County
—
System ID
TX1170012
Violations
7
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: May 15, 2025 – May 23, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – April 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2023 – February 27, 2024Rule: 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 TCW SUPPLY
Is TCW SUPPLY water safe to drink?
TCW SUPPLY water receives a grade of A (89/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has TCW SUPPLY detected?
1 contaminants were tested in TCW SUPPLY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does TCW SUPPLY have any EPA violations?
Yes, TCW SUPPLY has 7 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, RPT, TT. 1 are health-based violations.
How many people does TCW SUPPLY serve?
TCW SUPPLY serves approximately 2,220 people, Texas.
What type of water does TCW SUPPLY provide?
TCW SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TX1170012.
How does TCW SUPPLY compare to other utilities in Texas?
TCW SUPPLY scores 89/100 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.