SALLISAW, OK · Sequoyah County

SEQUOYAH CO. RWD #4 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): OK3006809
System type: Community Water System
Population served: 1,750
Service connections: 823
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2025 – January 31, 2025
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
June 30, 2018 – April 24, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2018 – March 31, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2017 – December 31, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2017 – September 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2013 – November 30, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2009 – May 31, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1998 – September 30, 1998
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – January 31, 2025	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 30, 2018 – April 24, 2019	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
January 1, 2018 – March 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2017 – December 31, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2017 – September 30, 2017	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2013 – November 30, 2013	Monitoring and Reporting (DBP)	TTHM	—	Resolved
May 1, 2009 – May 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1998 – September 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 30, 2025State Public Notification received4 linked violations
April 9, 2025State Public Notification requested1 linked violation
April 9, 2025State Public Notification requested2 linked violations
April 24, 2019State Compliance achieved7 linked violations
September 5, 2018State Compliance achieved1 linked violation
June 18, 2018State Public Notification received2 linked violations
June 4, 2018State Public Notification requested1 linked violation
June 4, 2018State Administrative/Compliance Order without penalty issued1 linked violation
April 20, 2018State Public Notification requested4 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved2 linked violations
December 4, 2014State Compliance achieved3 linked violations
July 27, 2009State Public Notification requested2 linked violations
November 17, 2003State Public Notification received3 linked violations
November 17, 2003State Compliance achieved2 linked violations
August 28, 2003State Violation/Reminder Notice1 linked violation

Contact

SEQUOYAH CO. RWD #4

918-774-9869

SALLISAW, OK 74955