SEMINOLE, OK · Seminole County

SEMINOLE Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID): OK2006720
System type: Community Water System
Population served: 6,899
Service connections: 1,067
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Diquat
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Regular
—
Glyphosate
April 1, 2019 – June 30, 2019
Resolved
Monitoring, Regular
—
Diquat
April 1, 2019 – June 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2017 – December 31, 2017
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Benzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2010
Archived
Monitoring, Regular
—
Arsenic
January 1, 2008 – December 31, 2010
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2003 – July 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1998 – August 31, 1998
Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2020 – March 31, 2020	Monitoring, Regular	Diquat	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2019 – June 30, 2019	Monitoring, Regular	Diquat	—	Resolved
October 1, 2017 – December 31, 2017	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Benzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring, Regular	Arsenic	—	Archived
January 1, 2008 – December 31, 2010	Monitoring, Regular	Arsenic	—	Archived
July 1, 2003 – July 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1998 – August 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

August 13, 2021State Compliance achieved1 linked violation
June 17, 2021State Public Notification received1 linked violation
June 17, 2020State Public Notification requested1 linked violation
June 17, 2020State Violation/Reminder Notice1 linked violation
March 25, 2020State Compliance achieved1 linked violation
March 25, 2020State Compliance achieved1 linked violation
October 22, 2019State Public Notification received1 linked violation
October 22, 2019State Public Notification received1 linked violation
October 22, 2019State Public Notification received1 linked violation
August 26, 2019State Public Notification requested1 linked violation
August 26, 2019State Violation/Reminder Notice1 linked violation
August 26, 2019State Public Notification requested1 linked violation
August 26, 2019State Violation/Reminder Notice1 linked violation
February 28, 2018State Compliance achieved1 linked violation
February 28, 2018State Compliance achieved1 linked violation
December 14, 2017State Public Notification requested1 linked violation
December 14, 2017State Violation/Reminder Notice1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
June 23, 2015State Public Notification received1 linked violation
May 22, 2015State Violation/Reminder Notice1 linked violation
May 22, 2015State Public Notification requested1 linked violation
April 30, 2015State Compliance achieved1 linked violation
April 30, 2015State Compliance achieved1 linked violation
November 23, 2011State Compliance achieved42 linked violations
July 26, 2011State Public Notification received42 linked violations
July 13, 2011State Public Notification received1 linked violation
June 23, 2011State Violation/Reminder Notice42 linked violations
June 1, 2011State Public Notification requested42 linked violations
June 1, 2011State Administrative/Compliance Order with penalty issued42 linked violations
November 1, 2003State Compliance achieved1 linked violation

Contact

SEMINOLE

405-382-4330

SEMINOLE, OK 74818