Public water system record

Okmulgee Co. RWD #1

Serves an area of Okmulgee County, OK that includes Henryetta and Schulter · 1,890 people served

Federal records show 79 health-based violations and 3 monitoring/reporting issues for Okmulgee Co. RWD #1 in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.

OK3005605
SCHULTER
OK
1,890 served

System profile

Source water Purchased surface water

ZIP 74460

EPA system ID OK3005605

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 79
Resolved: 31
Unresolved: 0
Archived by EPA: 48
Any acute record: No
Monitoring issues, last 10 years: 3

Key facts

Okmulgee Co. RWD #1 buys its water from Okmulgee PWA.
Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.134 mg/L, federal limit 0.06 mg/L (2.2 times the limit), 2020.
Most recent formal enforcement: compliance order (no penalty) by Oklahoma, October 2025.
Record on file since 1991, with 25 health-based violations before October 19, 2016.
Lead pipe inventory: 0 lead and 602 unknown out of 749 service lines.

Check whether Okmulgee Co. RWD #1 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 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)	220	Oct 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 0.082 mg/L, federal limit 0.08 mg/L (at or just above 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
LEAD AND COPPER RULE REVISIONS Treatment technique failure	350	Oct 17, 2024	Resolved	No
Chloramine Disinfectant residual limit exceeded	210	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 0.086 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 0.071 mg/L, federal limit 0.06 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 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 0.1 mg/L, federal limit 0.08 mg/L (1.3 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 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	Jan 1, 2022	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 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 0.075 mg/L, federal limit 0.06 mg/L (1.3 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 0.074 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Jan 1, 2022	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 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 0.126 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Oct 1, 2021	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	Oct 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.084 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	220	Oct 1, 2021	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 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 0.095 mg/L, federal limit 0.08 mg/L (1.2 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.077 mg/L, federal limit 0.06 mg/L (1.3 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 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 0.099 mg/L, federal limit 0.08 mg/L (1.2 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 0.126 mg/L, federal limit 0.08 mg/L (1.6 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 0.095 mg/L, federal limit 0.06 mg/L (1.6 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 0.071 mg/L, federal limit 0.06 mg/L (1.2 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 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Jan 1, 2021	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Jan 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.06 mg/L (1.6 times the limit)	220	Jan 1, 2021	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)	220	Jan 1, 2021	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	220	Oct 1, 2020	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	Oct 1, 2020	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 0.101 mg/L, federal limit 0.06 mg/L (1.7 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.072 mg/L, federal limit 0.06 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 0.106 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	220	Jul 1, 2020	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.152 mg/L, federal limit 0.08 mg/L (1.9 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.107 mg/L, federal limit 0.06 mg/L (1.8 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.083 mg/L, federal limit 0.06 mg/L (1.4 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 0.166 mg/L, federal limit 0.08 mg/L (2.1 times the limit)	220	Apr 1, 2020	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.124 mg/L, federal limit 0.06 mg/L (2.1 times the limit)	220	Apr 1, 2020	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, 2020	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.093 mg/L, federal limit 0.06 mg/L (1.6 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 0.133 mg/L, federal limit 0.08 mg/L (1.7 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 0.168 mg/L, federal limit 0.08 mg/L (2.1 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.134 mg/L, federal limit 0.06 mg/L (2.2 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.106 mg/L, federal limit 0.06 mg/L (1.8 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 0.172 mg/L, federal limit 0.08 mg/L (2.2 times the limit)	220	Oct 1, 2019	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.138 mg/L, federal limit 0.08 mg/L (1.7 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.128 mg/L, federal limit 0.06 mg/L (2.1 times the limit)	220	Oct 1, 2019	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.106 mg/L, federal limit 0.06 mg/L (1.8 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 0.134 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 0.168 mg/L, federal limit 0.08 mg/L (2.1 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.096 mg/L, federal limit 0.06 mg/L (1.6 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.115 mg/L, federal limit 0.06 mg/L (1.9 times the limit)	220	Jul 1, 2019	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.167 mg/L, federal limit 0.08 mg/L (2.1 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 0.128 mg/L, federal limit 0.08 mg/L (1.6 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.094 mg/L, federal limit 0.06 mg/L (1.6 times the limit)	220	Apr 1, 2019	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.089 mg/L, federal limit 0.06 mg/L (1.5 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 0.127 mg/L, federal limit 0.08 mg/L (1.6 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 0.166 mg/L, federal limit 0.08 mg/L (2.1 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	220	Jan 1, 2019	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.084 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	220	Jan 1, 2019	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.167 mg/L, federal limit 0.08 mg/L (2.1 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	220	Oct 1, 2018	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.133 mg/L, federal limit 0.08 mg/L (1.7 times the limit)	220	Jul 1, 2018	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.077 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	220	Jul 1, 2018	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Apr 1, 2018	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.159 mg/L, federal limit 0.08 mg/L (2 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Jan 1, 2018	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.123 mg/L, federal limit 0.08 mg/L (1.5 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 0.062 mg/L, federal limit 0.06 mg/L (at or just above 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 0.134 mg/L, federal limit 0.08 mg/L (1.7 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 0.155 mg/L, federal limit 0.08 mg/L (1.9 times the limit)	220	Jul 1, 2017	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 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 0.149 mg/L, federal limit 0.08 mg/L (1.9 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Apr 1, 2017	Resolved	No
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 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 0.145 mg/L, federal limit 0.08 mg/L (1.8 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
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	220	Oct 1, 2016	Resolved	No
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.137 mg/L, federal limit 0.08 mg/L (1.7 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
Total Trihalomethanes (TTHMs) Monitoring and reporting	Apr 1, 2025	Resolved
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Resolved
Lead and Copper Rule Monitoring and reporting	Jan 1, 2023	Resolved

Full record since 1991

EPA's records for Okmulgee Co. RWD #1 go back to 1991. Before October 19, 2016 they list 25 health-based violations (13 resolved, 12 archived by EPA without a recorded fix) and 5 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1990s	0	4
2000s	1	1
2010 to October 18, 2016	24	0
October 19, 2016 to 2019	32	0
2020s	45	3

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began October 2016, Resolved.

Show all 25 health-based violations before October 19, 2016

Contaminant	Start date	Status
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.066 mg/L, federal limit 0.06 mg/L (1.1 times the limit)	Oct 1, 2016	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.137 mg/L, federal limit 0.08 mg/L (1.7 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	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.171 mg/L, federal limit 0.08 mg/L (2.1 times the limit)	Jul 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.125 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	Apr 1, 2016	Resolved
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)	Apr 1, 2016	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)	Jan 1, 2016	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	Jan 1, 2016	Archived
Haloacetic Acids (HAA5) Contaminant limit exceeded Measured 0.075 mg/L, federal limit 0.06 mg/L (1.3 times the limit)	Oct 1, 2015	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.112 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	Oct 1, 2015	Resolved
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, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.145 mg/L, federal limit 0.08 mg/L (1.8 times the limit)	Jul 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.118 mg/L, federal limit 0.08 mg/L (1.5 times the limit)	Apr 1, 2015	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.101 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	Jan 1, 2015	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	Oct 1, 2014	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.111 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	Jul 1, 2014	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.098 mg/L, federal limit 0.08 mg/L (1.2 times the limit)	Apr 1, 2014	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.131 mg/L, federal limit 0.08 mg/L (1.6 times the limit)	Jan 1, 2014	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)	Oct 1, 2013	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded Measured 0.102 mg/L, federal limit 0.08 mg/L (1.3 times the limit)	Jul 1, 2013	Archived
Total Coliform Contaminant limit exceeded	Jun 1, 2013	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Apr 1, 2013	Archived
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Jan 1, 2013	Resolved
Total Trihalomethanes (TTHMs) Contaminant limit exceeded	Oct 1, 2012	Archived
Total Coliform Contaminant limit exceeded	Nov 1, 2005	Resolved

Enforcement actions

Oklahoma regulators took 12 formal enforcement actions against Okmulgee Co. RWD #1 between 2014 and 2025, filed as 13 records in EPA's data. The most recent was a compliance order (no penalty) in October 2025.

Date	By	Action	Violations covered
Oct 2, 2025	Oklahoma	Compliance order (no penalty)	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Aug 2, 2024	Oklahoma	Compliance order (no penalty)	1 violation (1 health-based): Chloramine
Feb 20, 2020	Oklahoma	Compliance order with a penalty	96 violations (96 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Dec 20, 2016	Oklahoma	Compliance order with a penalty	55 violations (55 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Mar 22, 2016	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Nov 2, 2015	Oklahoma	Compliance order with a penalty	2 violations (2 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Sep 3, 2015	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
May 1, 2015	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Feb 19, 2015	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Nov 26, 2014	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
Aug 7, 2014	Oklahoma	Compliance order with a penalty	1 violation (1 health-based): Total Trihalomethanes (TTHMs)
May 27, 2014	Oklahoma	Compliance order with a penalty	8 violations (8 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

39 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

38 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.

Chloramine

1 incident

Chloramine levels were above the federal maximum residual disinfectant level.

The utility had to notify customers about this violation.

Where the water comes from

Okmulgee Co. RWD #1 buys its water from Okmulgee PWA. It lists no wells or intakes of its own. It also has an emergency connection to Henryetta Municipal Authority.

Buys water from

Okmulgee PWA Okmulgee, OK

Emergency or part-time connections to

Henryetta Municipal Authority Henryetta, OK

Annual water quality report

Okmulgee Co. RWD #1 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

Lead pipes

Total service lines reported	749
Lead pipes confirmed	0
Galvanized pipes needing replacement	0
Pipes with unknown material	602
Non-lead pipes confirmed	147
Pipes that may be lead or unknown	80.4% (602)
Inventory submitted	Oct 16, 2024
EPA reporting status	Reported all required service line types

Lines of unknown material count as possible lead until the utility identifies them.

Verify on EPA SDWIS EPA Get the Lead Out guidance