TX2050003 · Texas

CITY OF MATHIS

Federal fiscal 2026Q3 · EPA violation and follow-up records

Violation records shown: 27
EPA health-based flag: 12
Health-based records unresolved in this snapshot: 0
Monitoring and reporting records: 6

Counties listed by EPA · San Patricio County, Texas

Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.

Violations and what followed

Among 27 resolved records with both dates, the median interval from recorded noncompliance start to EPA’s return-to-compliance date was 90 days. The interval uses the reporting periods and dates on file.

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1960 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start April 2, 2026 · period end June 30, 2026 · first reported June 26, 2026 · EPA return-to-compliance field June 30, 2026

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4111 May 12, 2026 Informal State Violation/Reminder Notice
4114 June 30, 2026 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1950 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start July 26, 2025 · period end August 25, 2025 · first reported October 1, 2025 · EPA return-to-compliance field August 25, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4101 August 25, 2025 Resolving State Compliance achieved
4099 September 2, 2025 Informal State Violation/Reminder Notice
Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 1956 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 1, 2025 · period end September 26, 2025 · first reported March 31, 2026 · EPA return-to-compliance field September 26, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4119 September 26, 2025 Resolving State Compliance achieved
4109 December 31, 2025 Informal State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4111	May 12, 2026	Informal	State Violation/Reminder Notice
4114	June 30, 2026	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4101	August 25, 2025	Resolving	State Compliance achieved
4099	September 2, 2025	Informal	State Violation/Reminder Notice

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4119	September 26, 2025	Resolving	State Compliance achieved
4109	December 31, 2025	Informal	State Violation/Reminder Notice

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1954 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2025 · period end September 30, 2025 · first reported January 6, 2026 · EPA return-to-compliance field September 30, 2025

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4104	October 30, 2025	Informal	State Violation/Reminder Notice
4105	October 30, 2025	Informal	State Public Notification requested
4107	November 26, 2025	Informal	State Public Notification received
4110	February 19, 2026	Resolving	State Compliance achieved

Other or unclassified · Resolved

Public Notification Violation for NPDWR ViolationViolation 1944 · Public Notice · Public Notice Rule and Revised PN Rule

Noncompliance period start May 1, 2025 · period end June 30, 2026 · first reported August 20, 2025 · EPA return-to-compliance field June 30, 2026

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4091	May 28, 2025	Informal	State Violation/Reminder Notice
4096	July 25, 2025	Informal	State Formal Notice of Violation issued
4114	June 30, 2026	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1947 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2025 · period end June 30, 2025 · first reported August 20, 2025 · EPA return-to-compliance field June 30, 2025

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4094	June 25, 2025	Informal	State Violation/Reminder Notice
4095	June 25, 2025	Informal	State Public Notification requested
4096	July 25, 2025	Informal	State Formal Notice of Violation issued
4098	August 25, 2025	Informal	State Public Notification received
4110	February 19, 2026	Resolving	State Compliance achieved

Monitoring or reporting · Resolved
Lead Consumer NoticeViolation 1937 · Lead and Copper Rule · Lead and Copper Rule
Noncompliance period start December 30, 2024 · period end February 7, 2025 · first reported February 26, 2025 · EPA return-to-compliance field February 7, 2025

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4084 January 27, 2025 Informal State Violation/Reminder Notice
4086 February 7, 2025 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4084	January 27, 2025	Informal	State Violation/Reminder Notice
4086	February 7, 2025	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

LSL ReportingViolation 1939 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

Noncompliance period start October 17, 2024 · period end May 6, 2026 · first reported May 14, 2025 · EPA return-to-compliance field May 6, 2026

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4089	March 31, 2025	Informal	State Violation/Reminder Notice
4090	March 31, 2025	Informal	State Public Notification requested
4096	July 25, 2025	Informal	State Formal Notice of Violation issued
4113	May 6, 2026	Resolving	State Compliance achieved
4115	June 30, 2026	Informal	State Public Notification received

EPA health-based flag · Resolved

LSL InventoryViolation 1938 · LEAD AND COPPER RULE REVISIONS · Lead and Copper Rule Revisions

Noncompliance period start October 17, 2024 · period end May 6, 2026 · first reported May 14, 2025 · EPA return-to-compliance field May 6, 2026

5 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4087	March 31, 2025	Informal	State Violation/Reminder Notice
4088	March 31, 2025	Informal	State Public Notification requested
4096	July 25, 2025	Informal	State Formal Notice of Violation issued
4112	May 6, 2026	Resolving	State Compliance achieved
4116	June 30, 2026	Informal	State Public Notification received

Other or unclassified · Resolved
Consumer Confidence Report Inadequate ReportingViolation 1936 · Consumer Confidence Rule · Consumer Confidence Rule
Noncompliance period start July 2, 2024 · period end September 13, 2024 · first reported December 30, 2024 · EPA return-to-compliance field September 13, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4079 September 5, 2024 Informal State Violation/Reminder Notice
4080 September 13, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4079	September 5, 2024	Informal	State Violation/Reminder Notice
4080	September 13, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Lead Consumer NoticeViolation 1935 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start March 31, 2024 · period end May 15, 2024 · first reported May 16, 2024 · EPA return-to-compliance field May 15, 2024

3 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4075	April 24, 2024	Informal	State Violation/Reminder Notice
4085	April 24, 2024	Informal	State Violation/Reminder Notice
4077	May 15, 2024	Resolving	State Compliance achieved

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1933 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start December 31, 2023 · period end February 12, 2024 · first reported February 14, 2024 · EPA return-to-compliance field February 12, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4071 January 24, 2024 Informal State Violation/Reminder Notice
4073 February 12, 2024 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1932 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start December 21, 2023 · period end January 22, 2024 · first reported February 14, 2024 · EPA return-to-compliance field January 22, 2024

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4066 January 11, 2024 Informal State Violation/Reminder Notice
4069 January 22, 2024 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4071	January 24, 2024	Informal	State Violation/Reminder Notice
4073	February 12, 2024	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4066	January 11, 2024	Informal	State Violation/Reminder Notice
4069	January 22, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Failure Submit IDSE/Subpart V Plan RptViolation 1930 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 6, 2023 · period end November 27, 2024 · first reported February 14, 2024 · EPA return-to-compliance field November 27, 2024

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4062	November 28, 2023	Informal	State Violation/Reminder Notice
4063	November 28, 2023	Informal	State Public Notification requested
4081	November 18, 2024	Informal	State Public Notification received
4082	November 27, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1926 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2023 · period end September 30, 2023 · first reported November 13, 2023 · EPA return-to-compliance field September 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4055	September 21, 2023	Informal	State Violation/Reminder Notice
4056	September 21, 2023	Informal	State Public Notification requested
4064	January 2, 2024	Resolving	State Compliance achieved
4070	January 22, 2024	Informal	State Public Notification received

Monitoring or reporting · Resolved

Monitoring, Turbidity (Enhanced SWTR)Violation 1925 · Interim Enhanced Surface Water Treatment Rule · Interim and Long Term 1 Enhanced Surface Water Treatment Rule

Noncompliance period start July 1, 2023 · period end July 31, 2023 · first reported November 13, 2023 · EPA return-to-compliance field July 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4053	September 10, 2023	Resolving	State Compliance achieved
4051	September 12, 2023	Informal	State Violation/Reminder Notice
4052	September 12, 2023	Informal	State Public Notification requested
4059	October 3, 2023	Informal	State Public Notification received

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1919 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2023 · period end June 30, 2023 · first reported November 13, 2023 · EPA return-to-compliance field June 30, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4047	August 17, 2023	Informal	State Violation/Reminder Notice
4048	August 17, 2023	Informal	State Public Notification requested
4061	August 31, 2023	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved

Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1915 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start March 23, 2023 · period end March 31, 2023 · first reported May 16, 2023 · EPA return-to-compliance field March 31, 2023

1 linked action

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4044 March 31, 2023 Resolving State Compliance achieved
Other or unclassified · Resolved
Public Notification Violation for NPDWR ViolationViolation 1908 · Public Notice · Public Notice Rule and Revised PN Rule
Noncompliance period start January 19, 2023 · period end April 6, 2023 · first reported March 29, 2023 · EPA return-to-compliance field April 6, 2023

2 linked actions

Enforcement and resolution records linked by EPA
Action ID Date Category EPA action type
4032 March 10, 2023 Informal State Violation/Reminder Notice
4037 April 6, 2023 Resolving State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4044	March 31, 2023	Resolving	State Compliance achieved

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4032	March 10, 2023	Informal	State Violation/Reminder Notice
4037	April 6, 2023	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1906 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2023 · period end March 31, 2023 · first reported March 29, 2023 · EPA return-to-compliance field March 31, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4028	February 24, 2023	Informal	State Violation/Reminder Notice
4029	February 24, 2023	Informal	State Public Notification requested
4035	April 6, 2023	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1901 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2022 · period end December 31, 2022 · first reported January 18, 2023 · EPA return-to-compliance field December 31, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4022	December 22, 2022	Informal	State Violation/Reminder Notice
4023	December 22, 2022	Informal	State Public Notification requested
4039	April 6, 2023	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved

Monitoring or reporting · Resolved

Follow-up Or Routine LCR Tap M/RViolation 1894 · Lead and Copper Rule · Lead and Copper Rule

Noncompliance period start October 1, 2022 · period end March 14, 2023 · first reported February 15, 2023 · EPA return-to-compliance field March 14, 2023

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4026	December 29, 2022	Informal	State Violation/Reminder Notice
4027	December 29, 2022	Informal	State Public Notification requested
4034	March 14, 2023	Resolving	State Compliance achieved
4074	February 12, 2024	Informal	State Public Notification received

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1898 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2022 · period end September 30, 2022 · first reported November 15, 2022 · EPA return-to-compliance field September 30, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4018	October 20, 2022	Informal	State Violation/Reminder Notice
4019	October 20, 2022	Informal	State Public Notification requested
4038	April 6, 2023	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1893 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start April 1, 2022 · period end June 30, 2022 · first reported August 15, 2022 · EPA return-to-compliance field June 30, 2022

4 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4012	July 20, 2022	Informal	State Violation/Reminder Notice
4013	July 20, 2022	Informal	State Public Notification requested
4021	November 1, 2022	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1890 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start January 1, 2022 · period end March 31, 2022 · first reported June 17, 2022 · EPA return-to-compliance field March 31, 2022

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4004	April 12, 2022	Informal	State Violation/Reminder Notice
4005	April 12, 2022	Informal	State Public Notification requested
4008	May 13, 2022	Informal	State Formal Notice of Violation issued
4010	May 13, 2022	Informal	State Public Notification received
4064	January 2, 2024	Resolving	State Compliance achieved
4078	June 26, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1886 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start October 1, 2021 · period end December 31, 2021 · first reported December 20, 2021 · EPA return-to-compliance field December 31, 2021

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
4001	December 15, 2021	Informal	State Violation/Reminder Notice
4002	December 15, 2021	Informal	State Public Notification requested
4003	January 7, 2022	Informal	State Public Notification received
4008	May 13, 2022	Informal	State Formal Notice of Violation issued
4064	January 2, 2024	Resolving	State Compliance achieved
4078	June 26, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA health-based flag · Resolved

Maximum Contaminant Level Violation, AverageViolation 1883 · TTHM · Stage 2 Disinfectants and Disinfection Byproducts Rule

Noncompliance period start July 1, 2021 · period end September 30, 2021 · first reported September 29, 2021 · EPA return-to-compliance field September 30, 2021

6 linked actions

Enforcement and resolution records linked by EPA
Action ID	Date	Category	EPA action type
3998	August 26, 2021	Informal	State Violation/Reminder Notice
3999	August 26, 2021	Informal	State Public Notification requested
4000	September 13, 2021	Informal	State Public Notification received
4008	May 13, 2022	Informal	State Formal Notice of Violation issued
4064	January 2, 2024	Resolving	State Compliance achieved
4078	June 26, 2024	Formal	State Administrative/Compliance Order with penalty issued

EPA data and scope

How to read the records

The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.

We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.

EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility