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Public water system record

City of Knox City

Serves Knox City, Knox County, TX · 1,037 people served

Federal records show 2 health-based violations and 6 monitoring/reporting issues for City of Knox City in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • TX1380002
  • KNOX CITY
  • TX
  • 1,037 served

System profile

Source water Purchased surface water
ZIP 79529
EPA system ID TX1380002

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
6

Key facts

  • City of Knox City buys its water from North Central Texas Municipal Water Auth.
  • Most recent enforcement action: boil water order by Texas, August 2024.
  • Record on file since 2014, with 7 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 652 service lines.

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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
Revised Total Coliform Rule
Contaminant limit exceeded
 110 Aug 1, 2024 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
Monitoring and reporting
 Dec 30, 2025 Active
Public Notice
OTHER
 May 1, 2025 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
 Oct 17, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2016 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2015 Resolved
Public Notice
OTHER
 Jun 15, 2015 Active

Full record since 2014

EPA's records for City of Knox City go back to 2014. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2010 to October 18, 2016 7 6
October 19, 2016 to 2019 0 1
2020s 2 3

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2015, Resolved.

Show all 7 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.092 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 Jul 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
 Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.157 mg/L, federal limit 0.08 mg/L (2 times the limit)
 Jan 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.152 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 Oct 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
 Jul 1, 2014 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Apr 1, 2014 Resolved

Enforcement actions

Texas regulators took 1 formal enforcement action against City of Knox City and issued 1 boil water order between 2015 and 2024, filed as 4 records in EPA's data. The most recent was a boil water order in August 2024.

Date By Action Violations covered
Aug 15, 2024 Texas Boil water order 3 violations (3 health-based): Revised Total Coliform Rule
Aug 10, 2015 Texas Compliance order (no penalty) 5 violations (5 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

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.

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

City of Knox City buys its water from North Central Texas Municipal Water Auth. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

City of Knox City 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