Public water system record

City of Zavalla

Serves an area of Angelina County, TX that includes Zavalla · 880 people served

Federal records show 38 health-based violations and 67 monitoring/reporting issues for City of Zavalla in the last ten years, including an unresolved Lead and Copper Rule violation.

  • TX0030030
  • ZAVALLA
  • TX
  • 880 served

System profile

Source water Groundwater under direct influence
ZIP 75980
EPA system ID TX0030030

Verify this system on EPA ECHO →

Health-based violations, last 10 years
38
Resolved
36
Unresolved
2
Any acute record
Yes
Monitoring issues, last 10 years
67

Key facts

  • City of Zavalla draws water from 22 wells.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.194 mg/L, federal limit 0.08 mg/L (2.4 times the limit), 2023.
  • Most recent formal enforcement: compliance order with a penalty by Texas, November 2024.
  • Record on file since 2004, with 18 health-based violations before October 19, 2016.

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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
Treatment technique failure
350 Oct 1, 2025 Active No
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.142 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
220 Jul 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Apr 1, 2023 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2023 Resolved Yes
Surface Water Treatment Rule
Treatment technique failure
120 Jan 1, 2023 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Jan 1, 2023 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.194 mg/L, federal limit 0.08 mg/L (2.4 times the limit)
220 Jan 1, 2023 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2022 Resolved Yes
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2022 Resolved Yes
Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
220 Oct 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.157 mg/L, federal limit 0.08 mg/L (2 times the limit)
220 Oct 1, 2022 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Aug 1, 2022 Resolved Yes
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2022 Resolved Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jul 1, 2022 Resolved Yes
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jul 1, 2022 Resolved No
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2022 Resolved Yes
Surface Water Treatment Rule
Treatment technique failure
120 Jun 1, 2022 Resolved No
Surface Water Treatment Rule
Treatment technique failure
120 Apr 1, 2022 Resolved No
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, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jul 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Apr 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.151 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
220 Jan 1, 2019 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2018 Resolved Yes
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.151 mg/L, federal limit 0.08 mg/L (1.9 times the limit)
220 Oct 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Jul 1, 2018 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jul 1, 2017 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Sep 29, 2025 Active
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2025 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
May 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
May 1, 2025 Active
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2025 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Feb 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2024 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2023 Resolved
Public Notice
OTHER
May 10, 2023 Resolved
Public Notice
OTHER
Mar 3, 2023 Resolved
Public Notice
OTHER
Mar 2, 2023 Resolved
Public Notice
OTHER
Feb 19, 2023 Resolved
Public Notice
OTHER
Jan 10, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Public Notice
OTHER
Jan 1, 2023 Resolved
Public Notice
OTHER
Dec 30, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2022 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Nov 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Oct 1, 2022 Resolved
Public Notice
OTHER
Oct 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2022 Resolved
Public Notice
OTHER
Sep 1, 2022 Resolved
Public Notice
OTHER
Aug 31, 2022 Resolved
Public Notice
OTHER
Aug 28, 2022 Resolved
Public Notice
OTHER
Aug 14, 2022 Resolved
Public Notice
OTHER
Aug 5, 2022 Resolved
Public Notice
OTHER
Aug 5, 2022 Resolved
Public Notice
OTHER
Aug 5, 2022 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 12, 2022 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 12, 2022 Resolved
Public Notice
OTHER
Jul 9, 2022 Resolved
Public Notice
OTHER
Jul 9, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Public Notice
OTHER
Jun 10, 2022 Resolved
Public Notice
OTHER
Mar 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Dec 1, 2018 Resolved

Full record since 2004

EPA's records for City of Zavalla go back to 2004. Before October 19, 2016 they list 18 health-based violations (18 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 5 1
2010 to October 18, 2016 13 3
October 19, 2016 to 2019 8 1
2020s 30 66

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

Show all 18 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.089 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Apr 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.165 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
Jan 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.193 mg/L, federal limit 0.08 mg/L (2.4 times the limit)
Oct 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.202 mg/L, federal limit 0.08 mg/L (2.5 times the limit)
Jul 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)
Apr 1, 2015 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.139 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
Jul 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
Apr 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
Jan 1, 2013 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.141 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
Oct 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.156 mg/L, federal limit 0.08 mg/L (2 times the limit)
Jul 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.17 mg/L, federal limit 0.08 mg/L (2.1 times the limit)
Apr 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.144 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
Jan 1, 2012 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
Oct 1, 2011 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
Oct 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.121 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.163 mg/L, federal limit 0.08 mg/L (2 times the limit)
Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.145 mg/L, federal limit 0.08 mg/L (1.8 times the limit)
Jan 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)
Oct 1, 2004 Resolved

Enforcement actions

Texas regulators took 4 formal enforcement actions against City of Zavalla and issued 2 boil water orders between 2013 and 2024. The most recent was a compliance order with a penalty in November 2024.

Date By Action Violations covered
Nov 4, 2024 Texas Compliance order with a penalty 3 violations (3 health-based): Interim Enhanced Surface Water Treatment Rule, Total Trihalomethanes (TTHMs)
Nov 20, 2022 Texas Boil water order 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule
Jun 8, 2022 Texas Boil water order 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule
Feb 3, 2020 Texas Compliance order with a penalty 4 violations (4 health-based): Total Trihalomethanes (TTHMs)
Sep 29, 2016 Texas Compliance order with a penalty 6 violations (5 health-based): Lead and Copper Rule, Total Trihalomethanes (TTHMs)
Apr 7, 2013 Texas Compliance order with a penalty 8 violations (8 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

12 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Interim Enhanced Surface Water Treatment Rule

11 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

Long Term 2 Enhanced Surface Water Treatment Rule

6 incidents

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

Surface Water Treatment Rule

5 incidents

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about each of these violations.

Haloacetic Acids (HAA5)

2 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

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 Zavalla draws water from 22 wells.

Annual water quality report

City of Zavalla 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.