WYANDOTTE, OK · Ottawa County

OTTAWA CO RWD #5 Water System

Current status

1 open health-based violation on record as of July 4, 2026, alongside 1 other open item(s). See the violation history below for contaminant and status details.

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): OK2005840
System type: Community Water System
Population served: 750
Service connections: 407
Ownership: local government
Water source: groundwater (wells)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2025 – June 26, 2025
Resolved
LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Monitoring, Regular
—
Simazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Diquat
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Endothall
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Chlordane
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
LASSO
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2023 – October 31, 2023
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2023 – December 31, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2023 – June 26, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 24, 2023 – December 15, 2023
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
December 8, 2021 – December 15, 2023
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
March 9, 2021 – December 15, 2023
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2020 – January 3, 2022
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2020 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2020 – September 30, 2021
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2020 – December 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2019 – September 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2019 – September 30, 2020
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2019 – December 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2018 – September 30, 2019
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2018 – September 30, 2019
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
June 27, 2018 – May 31, 2024
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
March 8, 2018 – May 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2016 – September 30, 2017
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2016 – September 30, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2014 – October 31, 2014
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
September 17, 2014 – March 21, 2018
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 2014 – September 30, 2014
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Benzene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Toluene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Styrene
January 1, 2014 – December 31, 2019
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2013 – December 31, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2013 – April 17, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2012 – April 17, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – December 17, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2011 – April 17, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – December 17, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 2010 – November 30, 2010
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
Stage 2 Disinfectants and Disinfection Byproducts Rule
October 1, 2010 – May 8, 2014
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 2010 – October 31, 2010
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
October 1, 2010 – October 31, 2010
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Routine (IDSE)
—
TTHM
October 1, 2010 – December 31, 2010
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – December 17, 2012
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Routine (IDSE)
—
TTHM
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2008 – March 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2008 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2007 – December 31, 2007
Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – June 26, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
October 17, 2024	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Unaddressed
July 1, 2024 – September 30, 2024	Monitoring, Regular	Simazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Diquat	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Endothall	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Chlordane	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2024 – September 30, 2024	Monitoring, Regular	LASSO	—	Resolved
October 1, 2023 – October 31, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2023 – June 26, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 24, 2023 – December 15, 2023	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 8, 2021 – December 15, 2023	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
March 9, 2021 – December 15, 2023	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2020 – January 3, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2020 – September 30, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2020 – September 30, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – December 31, 2020	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2019 – September 30, 2020	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2019 – September 30, 2020	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2019 – December 31, 2019	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
October 1, 2018 – September 30, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2018 – September 30, 2019	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
June 27, 2018 – May 31, 2024	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
March 8, 2018 – May 31, 2024	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2016 – September 30, 2017	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2016 – September 30, 2017	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2014 – October 31, 2014	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
September 17, 2014 – March 21, 2018	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
September 1, 2014 – September 30, 2014	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Benzene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Toluene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2014 – December 31, 2019	Monitoring, Regular	Styrene	—	Resolved
January 1, 2013 – December 31, 2013	Monitoring, Regular	Nitrate-Nitrite	—	Resolved
January 1, 2013 – April 17, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2012 – April 17, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2012 – December 17, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2011 – April 17, 2013	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2011 – December 17, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2010 – November 30, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
October 1, 2010 – May 8, 2014	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	—	Resolved
October 1, 2010 – October 31, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2010 – October 31, 2010	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2010 – December 17, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Routine (IDSE)	TTHM	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2008 – March 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2010	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate-Nitrite	—	Resolved

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

July 11, 2025State Violation/Reminder Notice5 linked violations
June 26, 2025State Compliance achieved5 linked violations
November 22, 2024State Public Notification requested33 linked violations
November 22, 2024State Violation/Reminder Notice32 linked violations
May 21, 2024State Public Notification received6 linked violations
December 15, 2023State Compliance achieved7 linked violations
December 15, 2023State Violation/Reminder Notice4 linked violations
August 30, 2023State Public Notification requested16 linked violations
April 4, 2023State Public Notification received3 linked violations
November 22, 2022State Intentional no-action8 linked violations
April 16, 2022State Public Notification received4 linked violations
January 19, 2022State Public Notification requested6 linked violations
November 18, 2021State Public Notification requested9 linked violations
April 16, 2021State Public Notification requested6 linked violations
March 6, 2021State Public Notification received14 linked violations
March 6, 2021State Public Notification received55 linked violations
March 6, 2021State Public Notification received9 linked violations
January 3, 2020State Public Notification received12 linked violations
June 14, 2018State Public Notification requested10 linked violations
November 13, 2017State Public Notification requested8 linked violations
February 20, 2015State Compliance achieved2 linked violations
February 20, 2015State Compliance achieved21 linked violations
December 10, 2014State Compliance achieved1 linked violation
November 7, 2014State Compliance achieved6 linked violations
October 22, 2014Federal Compliance achieved1 linked violation
October 22, 2014State Compliance achieved1 linked violation
May 8, 2014State Compliance achieved1 linked violation
February 14, 2014State Public Notification requested22 linked violations

Contact

OTTAWA CO RWD #5

918-542-3914

WYANDOTTE, OK 74370