Tap Truth EPA drinking water records, in plain English

Public water system record

City of Cooper

Serves Cooper, Delta County, TX · 2,135 people served

Federal records show 4 health-based violations and 4 monitoring/reporting issues for City of Cooper in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • TX0600001
  • COOPER
  • TX
  • 2,135 served

System profile

Source water Surface water
ZIP 75432
EPA system ID TX0600001

Verify this system on EPA ECHO →

Health-based violations, last 10 years
4
Resolved
4
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
4

Key facts

  • City of Cooper draws water from 1 surface water intake.
  • Record on file since 2002, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 931 unknown out of 946 service lines.

Check whether City of Cooper serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 May 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 May 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Feb 1, 2021 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Public Notice
OTHER
 Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Oct 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Oct 1, 2015 Active

Full record since 2002

EPA's records for City of Cooper go back to 2002. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 6 9
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 1
2020s 4 2

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began January 2007, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Jan 1, 2007 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.107 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.125 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Oct 1, 2004 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2004 Resolved

What the violations mean

Interim Enhanced Surface Water Treatment Rule

3 incidents

The system did not meet a filtration or treatment requirement for surface water

Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

City of Cooper draws water from 1 surface water intake. 1 other community water system buys water from City of Cooper.

Community systems that buy water from it

Annual water quality report

City of Cooper must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.

Certified drinking water labs by state EPA guidance for private wells