F0/100

CORYELL CITY WATER SUPPLY DISTRICT — Water Quality Report 2026

Serving 6,042 people · Texas

Water Source
Purchased Surface Water
County
System ID
TX0500013
Violations
38

Contaminant Test Results

EPA Violation History

4

Violations (last 5yr)

4

Unresolved

0

Health-Related

TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

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, 2023Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov

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 CORYELL CITY WATER SUPPLY DISTRICT

Is CORYELL CITY WATER SUPPLY DISTRICT water safe to drink?

CORYELL CITY WATER SUPPLY DISTRICT water receives a grade of F (0/100), which is considered failing. 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 CORYELL CITY WATER SUPPLY DISTRICT detected?

34 contaminants were tested in CORYELL CITY WATER SUPPLY DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does CORYELL CITY WATER SUPPLY DISTRICT have any EPA violations?

Yes, CORYELL CITY WATER SUPPLY DISTRICT has 38 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, TT. 17 are health-based violations.

How many people does CORYELL CITY WATER SUPPLY DISTRICT serve?

CORYELL CITY WATER SUPPLY DISTRICT serves approximately 6,042 people, Texas.

What type of water does CORYELL CITY WATER SUPPLY DISTRICT provide?

CORYELL CITY WATER SUPPLY DISTRICT 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 TX0500013.

How does CORYELL CITY WATER SUPPLY DISTRICT compare to other utilities in Texas?

CORYELL CITY WATER SUPPLY DISTRICT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Texas state page for a full comparison of water systems.