SALLISAW, OK · Sequoyah County
SEQUOYAH CO. RWD #4 Water System
Consumer Confidence Report status
SEQUOYAH CO. RWD #4 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SEQUOYAH CO. RWD #4.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
SEQUOYAH CO. RWD #4 is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, serving 1,750 people from surface water.
As of August 1, 2026, its federal record holds 8 entries between 2003 and 2025, all of which EPA lists as closed.
Of the 8, 4 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 2 Disinfectants and Disinfection Byproducts Rule, the Stage 1 Disinfectants and Disinfection Byproducts Rule, and the Total Coliform Rules.
Violation history
Monitoring and Reporting (DBP)
—Chlorine
January 1, 2025 – January 31, 2025
ResolvedFailure Submit IDSE/Subpart V Plan Rpt
—TTHM
June 30, 2018 – April 24, 2019
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 2018 – June 30, 2018
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2018 – March 31, 2018
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2017 – December 31, 2017
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2017 – September 30, 2017
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
October 1, 2013 – November 30, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2003 – September 30, 2003
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 |
| April 1, 2018 – June 30, 2018 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | 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) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2003 – September 30, 2003 | Monitoring, Routine Major (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
- August 15, 2005State Public Notification requested8 linked violations
- November 17, 2003State Compliance achieved2 linked violations
- November 17, 2003State Compliance achieved3 linked violations
- August 28, 2003State Violation/Reminder Notice1 linked violation
Common questions
Is SEQUOYAH CO. RWD #4 required to publish a Consumer Confidence Report?
- Yes. SEQUOYAH CO. RWD #4 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SEQUOYAH CO. RWD #4’s next Consumer Confidence Report due?
- SEQUOYAH CO. RWD #4’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SEQUOYAH CO. RWD #4 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SEQUOYAH CO. RWD #4.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SEQUOYAH CO. RWD #4
918-774-9869
SALLISAW, OK 74955