Public water system record

Choctaw Co. RWSG & SWMD #6

Serves an area of Choctaw County, OK · 850 people served

Federal records show 74 health-based violations and 54 monitoring/reporting issues for Choctaw Co. RWSG & SWMD #6 in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

OK3001214
BOSWELL
OK
850 served

System profile

Source water Purchased surface water

ZIP 74727

EPA system ID OK3001214

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 74
Resolved: 0
Unresolved: 1
Archived by EPA: 73
Any acute record: No
Monitoring issues, last 10 years: 54

Key facts

Choctaw Co. RWSG & SWMD #6 buys its water from Atoka Co. RWS & SWMD #4.
Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.292 mg/L, federal limit 0.08 mg/L (3.7 times the limit), 2017.
Most recent formal enforcement: compliance order (no penalty) by EPA, March 2026.
Record on file since 2006, with 18 health-based violations before October 19, 2016.

Check whether Choctaw Co. RWSG & SWMD #6 serves your address

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 0.147 mg/L, federal limit 0.08 mg/L (1.8 times the limit)	220	Jul 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.15 mg/L, federal limit 0.08 mg/L (1.9 times the limit)	220	Jul 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.149 mg/L, federal limit 0.08 mg/L (1.9 times the limit)	220	Apr 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.242 mg/L, federal limit 0.08 mg/L (3 times the limit)	220	Apr 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.105 mg/L, federal limit 0.06 mg/L (1.8 times the limit)	220	Apr 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.167 mg/L, federal limit 0.08 mg/L (2.1 times the limit)	220	Jan 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.235 mg/L, federal limit 0.08 mg/L (2.9 times the limit)	220	Jan 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.123 mg/L, federal limit 0.06 mg/L (2.1 times the limit)	220	Jan 1, 2025	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
LEAD AND COPPER RULE REVISIONS Treatment technique failure	350	Oct 17, 2024	Active Enforcement action in place	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.209 mg/L, federal limit 0.08 mg/L (2.6 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.139 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.092 mg/L, federal limit 0.06 mg/L (1.5 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.06 mg/L (1.6 times the limit)	220	Oct 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.185 mg/L, federal limit 0.08 mg/L (2.3 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.084 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	220	Jul 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.143 mg/L, federal limit 0.08 mg/L (1.8 times the limit)	220	Apr 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Apr 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	220	Apr 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Jan 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Jan 1, 2024	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	220	Oct 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Oct 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Jul 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Jul 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.088 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Apr 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Apr 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Jan 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.114 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Jan 1, 2023	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Oct 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)	220	Oct 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Jul 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Jul 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Jul 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	220	Apr 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)	220	Jan 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	220	Jan 1, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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, 2022	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Oct 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Oct 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.151 mg/L, federal limit 0.08 mg/L (1.9 times the limit)	220	Jul 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.174 mg/L, federal limit 0.08 mg/L (2.2 times the limit)	220	Apr 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Apr 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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	Apr 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Jan 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.173 mg/L, federal limit 0.08 mg/L (2.2 times the limit)	220	Jan 1, 2021	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.097 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Oct 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.178 mg/L, federal limit 0.08 mg/L (2.2 times the limit)	220	Oct 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.139 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Jul 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.112 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Apr 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.099 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Apr 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.091 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Jan 1, 2020	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	220	Oct 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	220	Oct 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.138 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Jul 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.104 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Apr 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.143 mg/L, federal limit 0.08 mg/L (1.8 times the limit)	220	Jan 1, 2019	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.131 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Oct 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)	220	Jul 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	220	Apr 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.158 mg/L, federal limit 0.08 mg/L (2 times the limit)	220	Jan 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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	Jan 1, 2018	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.124 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Oct 1, 2017	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.121 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	220	Jul 1, 2017	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.218 mg/L, federal limit 0.08 mg/L (2.7 times the limit)	220	Apr 1, 2017	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.292 mg/L, federal limit 0.08 mg/L (3.7 times the limit)	220	Jan 1, 2017	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	220	Oct 1, 2016	Archived Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.	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
Haloacetic Acids (HAA5) Monitoring and reporting	Jun 30, 2025	Active
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2025	Active
Revised Total Coliform Rule Monitoring violation	May 1, 2025	Resolved
Chlorine Monitoring and reporting	May 1, 2025	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Apr 1, 2025	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2025	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Dec 30, 2024	Active
Total Trihalomethanes (TTHMs) Monitoring and reporting	Dec 30, 2024	Active
Revised Total Coliform Rule Monitoring violation	Dec 1, 2024	Resolved
Chlorine Monitoring and reporting	Dec 1, 2024	Resolved
Revised Total Coliform Rule Monitoring violation	Nov 1, 2024	Resolved
Chlorine Monitoring and reporting	Nov 1, 2024	Resolved
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active Enforcement action in place
Haloacetic Acids (HAA5) Monitoring and reporting	Oct 1, 2024	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Oct 1, 2024	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Sep 29, 2024	Active
Haloacetic Acids (HAA5) Monitoring and reporting	Sep 29, 2024	Active
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2024	Active
Total Trihalomethanes (TTHMs) Monitoring and reporting	Dec 30, 2023	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Sep 29, 2023	Resolved
Revised Total Coliform Rule Monitoring violation	Aug 1, 2023	Resolved
Chlorine Monitoring and reporting	Jul 1, 2023	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Jun 30, 2023	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2023	Resolved
Revised Total Coliform Rule Monitoring violation	May 1, 2023	Resolved
Chlorine Monitoring and reporting	Apr 1, 2023	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2023	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Dec 30, 2022	Resolved
Revised Total Coliform Rule Monitoring violation	Nov 1, 2022	Resolved
Consumer Confidence Rule OTHER	Oct 2, 2022	Resolved
Chlorine Monitoring and reporting	Oct 1, 2022	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Apr 1, 2021	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2021	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Dec 30, 2020	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Sep 29, 2020	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2019	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Apr 1, 2018	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2018	Resolved
Chlorine Monitoring and reporting	Apr 1, 2017	Resolved
Revised Total Coliform Rule Monitoring violation	Apr 1, 2017	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2016	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2016	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Mar 31, 2016	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Dec 30, 2015	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Dec 30, 2015	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2015	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Jun 30, 2015	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Jun 30, 2015	Resolved
Haloacetic Acids (HAA5) Monitoring and reporting	Apr 1, 2015	Resolved
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2015	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2014	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2013	Resolved
Consumer Confidence Rule OTHER	Jul 1, 2012	Resolved

Full record since 2006

EPA's records for Choctaw Co. RWSG & SWMD #6 go back to 2006. Before October 19, 2016 they list 18 health-based violations (18 archived by EPA without a recorded fix) and 33 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
2000s	0	11
2010 to October 18, 2016	18	22
October 19, 2016 to 2019	15	5
2020s	58	36

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

Show all 18 health-based violations before October 19, 2016

Contaminant	Start date	Status
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.117 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	Oct 1, 2016	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)	Jul 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.179 mg/L, federal limit 0.08 mg/L (2.2 times the limit)	Jul 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.182 mg/L, federal limit 0.08 mg/L (2.3 times the limit)	Apr 1, 2016	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	Apr 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)	Jan 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.109 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	Oct 1, 2015	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	Oct 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	Jul 1, 2015	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	Jul 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.136 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	Apr 1, 2015	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.092 mg/L, federal limit 0.06 mg/L (1.5 times the limit)	Apr 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.147 mg/L, federal limit 0.08 mg/L (1.8 times the limit)	Jan 1, 2015	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.089 mg/L, federal limit 0.06 mg/L (1.5 times the limit)	Jan 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.169 mg/L, federal limit 0.08 mg/L (2.1 times the limit)	Oct 1, 2014	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.086 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	Oct 1, 2014	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.08 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	Jul 1, 2014	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.169 mg/L, federal limit 0.08 mg/L (2.1 times the limit)	Jul 1, 2014	Archived

Enforcement actions

Oklahoma regulators and EPA took 10 formal enforcement actions against Choctaw Co. RWSG & SWMD #6 between 2014 and 2026. The most recent was a compliance order (no penalty) in March 2026.

Date	By	Action	Violations covered
Mar 10, 2026	EPA	Compliance order (no penalty)	2 violations (1 health-based): LEAD AND COPPER RULE REVISIONS
Dec 19, 2023	Oklahoma	Compliance order with a penalty	90 violations (90 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Aug 31, 2023	Oklahoma	Compliance order (no penalty)	53 violations (51 health-based): Total Trihalomethanes (TTHMs)
Mar 16, 2017	Oklahoma	Compliance order with a penalty	66 violations (66 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Mar 9, 2016	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Dec 2, 2015	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Sep 9, 2015	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Jun 9, 2015	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Mar 11, 2015	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Nov 12, 2014	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)

What the violations mean

Total Trihalomethanes (TTHMs)

60 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

13 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Choctaw Co. RWSG & SWMD #6 buys its water from Atoka Co. RWS & SWMD #4. It lists no wells or intakes of its own. 1 other community water system buys water from Choctaw Co. RWSG & SWMD #6.

Buys water from

Atoka Co. RWS & SWMD #4 Atoka, OK

Community systems that buy water from it

Boswell Public Works Authority Boswell, OK

Annual water quality report

Choctaw Co. RWSG & SWMD #6 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 Oklahoma.

Certified drinking water labs by state EPA guidance for private wells