D36/100
CITY OF COOPER — Water Quality Report 2026
Serving 2,135 people · Texas
Water Source
Surface Water
County
—
System ID
TX0600001
Violations
24
Contaminant Test Results
EPA Violation History
5
Violations (last 5yr)
0
Unresolved
3
Health-Related
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 – November 10, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – November 10, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: July 1, 2022 – August 10, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: May 1, 2022 – May 31, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved
Violation related to Nitrate
When: May 1, 2022 – May 31, 2022Rule: Surface Water Treatment 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 CITY OF COOPER
Is CITY OF COOPER water safe to drink?
CITY OF COOPER water receives a grade of D (36/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 24 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF COOPER detected?
27 contaminants were tested in CITY OF COOPER's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF COOPER have any EPA violations?
Yes, CITY OF COOPER has 24 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 10 are health-based violations.
How many people does CITY OF COOPER serve?
CITY OF COOPER serves approximately 2,135 people, Texas.
What type of water does CITY OF COOPER provide?
CITY OF COOPER sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TX0600001.
How does CITY OF COOPER compare to other utilities in Texas?
CITY OF COOPER scores 36/100 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.