WAPANUCKA, OK · Johnston County

WAPANUCKA 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): OK2003518
System type: Community Water System
Population served: 420
Service connections: 207
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Heptachlor epoxide
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Simazine
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Picloram
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
LASSO
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Endrin
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Diquat
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Endothall
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2021 – March 31, 2021
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2021 – March 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – July 3, 2017
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2015 – June 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – February 6, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2012 – February 6, 2015
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2010 – October 22, 2010
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2007 – July 31, 2007
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 2007 – January 31, 2007
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2006 – December 31, 2006
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
December 1, 2006 – December 31, 2006
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 2006 – November 22, 2006
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2005 – December 31, 2007
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2004 – June 30, 2004
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Regular
—
Gross Beta Particle Activity
January 1, 2001 – March 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1999 – May 31, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1991 – April 30, 1991
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, 2021 – March 31, 2021	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Simazine	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Picloram	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	LASSO	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Endrin	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Diquat	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Endothall	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2021 – March 31, 2021	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 2016 – July 3, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2015 – June 30, 2015	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2013 – February 6, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2012 – February 6, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2010 – October 22, 2010	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2008 – September 30, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – July 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2007 – January 31, 2007	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
December 1, 2006 – December 31, 2006	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2006 – November 22, 2006	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
January 1, 2005 – December 31, 2007	Monitoring, Regular	Arsenic	—	Resolved
June 1, 2004 – June 30, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2001 – March 31, 2001	Monitoring, Regular	Gross Beta Particle Activity	—	Resolved
May 1, 1999 – May 31, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1991 – April 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

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

Enforcement actions

May 14, 2022State Public Notification received3 linked violations
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received1 linked violation
May 14, 2022State Public Notification received5 linked violations
May 14, 2022State Public Notification received3 linked violations
May 14, 2022State Public Notification received2 linked violations
May 14, 2022State Public Notification received5 linked violations
May 14, 2022State Public Notification received2 linked violations
June 30, 2021State Compliance achieved31 linked violations
May 14, 2021State Public Notification requested32 linked violations
August 4, 2016State Compliance achieved3 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved21 linked violations
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved3 linked violations
August 4, 2016State Compliance achieved3 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 4, 2016State Compliance achieved2 linked violations
August 6, 2015State Public Notification received1 linked violation
July 23, 2015State Public Notification requested1 linked violation
July 23, 2015State Violation/Reminder Notice1 linked violation
June 30, 2015State Compliance achieved1 linked violation
February 6, 2015State Compliance achieved2 linked violations
August 27, 2010State Compliance achieved6 linked violations
August 11, 2010State Public Notification received25 linked violations
February 9, 2010State Violation/Reminder Notice24 linked violations
January 27, 2010State Violation/Reminder Notice6 linked violations
April 2, 2009State Public Notification requested5 linked violations
March 25, 2009State Public Notification requested7 linked violations
October 1, 2008State Compliance achieved4 linked violations
August 22, 2007State Violation/Reminder Notice2 linked violations
August 1, 2007State Compliance achieved3 linked violations
February 21, 2007State Violation/Reminder Notice2 linked violations
February 12, 2007State Compliance achieved5 linked violations
February 12, 2007State Public Notification received3 linked violations
February 5, 2007State Violation/Reminder Notice3 linked violations
February 5, 2007State Violation/Reminder Notice2 linked violations
November 22, 2006State Compliance achieved4 linked violations
November 14, 2006State Boil Water Order4 linked violations
March 8, 2002State Violation/Reminder Notice1 linked violation
March 8, 2002State Public Notification requested1 linked violation
September 10, 2001State Compliance achieved1 linked violation
August 17, 2001State Compliance achieved4 linked violations

Contact

WAPANUCKA PWA

580-937-4272

WAPANUCKA, OK 73461