Is LENAPAH PUBLIC WORKS AUTHORITY required to publish a Consumer Confidence Report?

Yes. LENAPAH PUBLIC WORKS AUTHORITY 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 LENAPAH PUBLIC WORKS AUTHORITY’s next Consumer Confidence Report due?

LENAPAH PUBLIC WORKS AUTHORITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

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.

LENAPAH, OK · Nowata County

LENAPAH PUBLIC WORKS AUTHORITY Water System

Consumer Confidence Report status

LENAPAH PUBLIC WORKS AUTHORITY 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 LENAPAH PUBLIC WORKS AUTHORITY.

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): OK1021501
System type: Community Water System
Population served: 298
Service connections: 145
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

LENAPAH PUBLIC WORKS AUTHORITY is one of 1,277 community water systems in Oklahoma in the 500 or fewer people size category, serving 298 people from surface water.

As of August 1, 2026, its federal record holds 26 entries between 1996 and 2023, all of which EPA lists as closed. Nothing has been added since 2023.

Of the 26, 7 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 1 Disinfectants and Disinfection Byproducts Rule, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Surface Water Treatment Rules.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2023 – September 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2023 – June 30, 2023
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
February 1, 2020 – February 29, 2020
Resolved
Monitoring, Turbidity (Enhanced SWTR)
—
Interim Enhanced Surface Water Treatment Rule
October 1, 2019 – October 31, 2019
Resolved
Single Turbidity Exceed (Enhanced SWTR)
Health-based
Interim Enhanced Surface Water Treatment Rule
August 1, 2019 – August 31, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Resolved
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
December 30, 2015 – April 20, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Resolved
Monitoring, Regular
—
Atrazine
October 1, 2013 – December 31, 2013
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
October 1, 2013 – April 28, 2015
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2013 – March 31, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2012 – December 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2012 – March 31, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2011 – December 31, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2009 – June 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2007 – June 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
February 2, 2001 – March 1, 2001
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1997 – October 31, 1997
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – September 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2023 – June 30, 2023	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 1, 2020 – February 29, 2020	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring, Turbidity (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	—	Resolved
August 1, 2019 – August 31, 2019	Single Turbidity Exceed (Enhanced SWTR)	Interim Enhanced Surface Water Treatment Rule	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
December 30, 2015 – April 20, 2016	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2013 – December 31, 2013	Monitoring, Regular	Atrazine	—	Resolved
October 1, 2013 – April 28, 2015	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
April 1, 2013 – June 30, 2013	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2013 – March 31, 2013	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2012 – December 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2012 – March 31, 2012	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2011 – December 31, 2011	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2009 – June 30, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2007 – June 30, 2007	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
February 2, 2001 – March 1, 2001	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
June 1, 1998 – June 30, 1998	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1997 – October 31, 1997	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 1996 – August 31, 1996	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

March 6, 2025State Public Notification requested2 linked violations
April 5, 2024State Compliance achieved7 linked violations
November 15, 2023State Administrative/Compliance Order without penalty issued3 linked violations
September 5, 2023State Public Notification received4 linked violations
April 26, 2023State Administrative/Compliance Order without penalty issued4 linked violations
February 3, 2023State Administrative/Compliance Order without penalty issued3 linked violations
July 14, 2021State Compliance achieved11 linked violations
March 1, 2021State Compliance achieved6 linked violations
January 14, 2021State Public Notification received2 linked violations
December 8, 2020State Administrative/Compliance Order without penalty issued4 linked violations
June 17, 2020State Public Notification requested3 linked violations
February 12, 2020State Public Notification requested3 linked violations
February 12, 2020State Administrative/Compliance Order without penalty issued4 linked violations
December 17, 2019State Public Notification requested4 linked violations
January 18, 2019State Compliance achieved3 linked violations
December 14, 2018State Public Notification requested4 linked violations
December 14, 2018State Public Notification requested4 linked violations
November 19, 2018State Public Notification received3 linked violations
July 3, 2018State Public Notification requested4 linked violations
March 14, 2018State Compliance achieved3 linked violations
March 5, 2018State Public Notification received4 linked violations
February 26, 2018State Administrative/Compliance Order with penalty issued24 linked violations
July 26, 2016State Compliance achieved3 linked violations
July 26, 2016State Compliance achieved4 linked violations
July 26, 2016State Compliance achieved4 linked violations
March 11, 2016State Administrative/Compliance Order with penalty issued5 linked violations
November 1, 2013State Public Notification requested4 linked violations
October 12, 2012State Administrative/Compliance Order with penalty issued4 linked violations
July 20, 2012State Public Notification received5 linked violations
June 7, 2012State Technical Assistance Visit8 linked violations
June 1, 2012State Public Notification requested6 linked violations
March 29, 2012State Public Notification received7 linked violations
July 13, 2010State Compliance achieved40 linked violations
February 11, 2010State Compliance achieved5 linked violations
January 5, 2010State Public Notification received7 linked violations
November 6, 2009State Violation/Reminder Notice14 linked violations
October 21, 2008State Technical Assistance Visit18 linked violations
August 6, 2008State Violation/Reminder Notice11 linked violations
June 13, 2007State Public Notification received88 linked violations
May 16, 2007State Administrative/Compliance Order with penalty issued6 linked violations
December 8, 2006State Administrative/Compliance Order with penalty issued11 linked violations
August 10, 2006State Public Notification requested98 linked violations
August 26, 1996State Compliance achieved2 linked violations
August 13, 1993State Compliance achieved5 linked violations

Common questions

Is LENAPAH PUBLIC WORKS AUTHORITY required to publish a Consumer Confidence Report?: Yes. LENAPAH PUBLIC WORKS AUTHORITY 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 LENAPAH PUBLIC WORKS AUTHORITY’s next Consumer Confidence Report due?: LENAPAH PUBLIC WORKS AUTHORITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LENAPAH PUBLIC WORKS AUTHORITY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for LENAPAH PUBLIC WORKS AUTHORITY.
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

LENAPAH PUBLIC WORKS AUTHORITY

918-468-2226

LENAPAH, OK 74042-0130