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Public water system record

City of Clyde

Serves Clyde, Callahan County, TX · 3,820 people served

Federal records show 17 health-based violations and 5 monitoring/reporting issues for City of Clyde in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • TX0300002
  • CLYDE
  • TX
  • 3,820 served

System profile

Source water Surface water
ZIP 79510
EPA system ID TX0300002

Verify this system on EPA ECHO →

Health-based violations, last 10 years
17
Resolved
17
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
5

Key facts

  • City of Clyde draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.179 mg/L, federal limit 0.08 mg/L (2.2 times the limit), 2024.
  • Most recent formal enforcement: compliance order with a penalty by Texas, November 2017.
  • Record on file since 2003, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 21 lead and 163 unknown out of 1,662 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.153 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
 220 Apr 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Apr 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Jan 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.17 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
 220 Jan 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 220 Oct 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.174 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
 220 Oct 1, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jul 1, 2024 Resolved Yes
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Jul 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.179 mg/L, federal limit 0.08 mg/L (2.2 times the limit)
 220 Jul 1, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jun 1, 2024 Resolved Yes
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
 220 Apr 1, 2024 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Nov 1, 2023 Resolved Yes
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 220 Apr 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jan 1, 2017 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.08 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Jan 1, 2017 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Oct 1, 2016 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 220 Oct 1, 2016 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Consumer Confidence Rule
OTHER
 Jul 1, 2025 Active
Public Notice
OTHER
 Feb 28, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
 Dec 30, 2019 Resolved
Public Notice
OTHER
 Mar 15, 2017 Resolved
Public Notice
OTHER
 Mar 15, 2017 Resolved

Full record since 2003

EPA's records for City of Clyde go back to 2003. Before October 19, 2016 they list 11 health-based violations (11 resolved) and 65 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 1 2
2010 to October 18, 2016 10 63
October 19, 2016 to 2019 3 3
2020s 12 2

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

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
 Oct 1, 2016 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
 Jul 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Jul 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Dec 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 Jul 1, 2015 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 May 1, 2014 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Jun 1, 2011 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Mar 1, 2010 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
 Jan 1, 2007 Resolved

Enforcement actions

Texas regulators took 2 formal enforcement actions against City of Clyde between 2016 and 2017. The most recent was a compliance order with a penalty in November 2017.

Date By Action Violations covered
Nov 15, 2017 Texas Compliance order with a penalty 4 violations (4 health-based): Haloacetic Acids (HAA5)
Jul 19, 2016 Texas Compliance order with a penalty 6 violations (5 health-based): Consumer Confidence Rule, Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

7 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

7 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Where the water comes from

City of Clyde draws water from 1 surface water intake. It also buys water from City of Abilene. 2 other community water systems buy water from City of Clyde. 1 other public water system has an emergency connection to City of Clyde.

Buys water from

Community systems that buy water from it

Annual water quality report

City of Clyde 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