MADILL, OK · Marshall County

OAKLAND PWA Water System

Current status

1 open health-based violation on record as of July 4, 2026. 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): OK3004513
System type: Community Water System
Population served: 1,050
Service connections: 340
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2020 – June 30, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2020 – March 31, 2020
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2019 – December 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2019 – September 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2019 – June 30, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2019 – March 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2019 – March 31, 2019
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2018 – December 31, 2018
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2016 – December 31, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2016 – December 31, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2016 – September 30, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2016 – September 30, 2016
Archived
Failure Submit IDSE/Subpart V Plan Rpt
—
TTHM
March 31, 2016 – June 20, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2016 – March 31, 2016
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2015 – December 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2015 – December 31, 2015
Archived
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2015 – June 30, 2015
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2004 – May 31, 2004
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1999 – February 28, 1999
Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 17, 2024	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Unaddressed
April 1, 2020 – June 30, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2020 – March 31, 2020	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2019 – December 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2018 – December 31, 2018	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
March 31, 2016 – June 20, 2016	Failure Submit IDSE/Subpart V Plan Rpt	TTHM	—	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Archived
April 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Archived
May 1, 2004 – May 31, 2004	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 1999 – February 28, 1999	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

November 13, 2025State Public Notification received3 linked violations
November 4, 2025State Public Notification requested3 linked violations
November 4, 2025State Violation/Reminder Notice3 linked violations
July 22, 2025State Public Notification requested2 linked violations
July 22, 2025State Violation/Reminder Notice2 linked violations
July 11, 2025State Violation/Reminder Notice1 linked violation
July 11, 2025State Violation/Reminder Notice1 linked violation
April 14, 2025State Public Notification requested1 linked violation
April 14, 2025State Violation/Reminder Notice1 linked violation
February 26, 2025State Public Notification requested1 linked violation
February 26, 2025State Violation/Reminder Notice1 linked violation
November 1, 2024State Compliance achieved1 linked violation
November 1, 2024State Compliance achieved1 linked violation
October 21, 2024State Violation/Reminder Notice2 linked violations
October 21, 2024State Public Notification requested2 linked violations
March 30, 2021State Administrative/Compliance Order with penalty issued35 linked violations
August 27, 2020State Violation/Reminder Notice1 linked violation
August 27, 2020State Public Notification requested1 linked violation
April 28, 2020State Public Notification received1 linked violation
April 3, 2020State Violation/Reminder Notice1 linked violation
April 3, 2020State Public Notification requested1 linked violation
February 20, 2020State Public Notification received1 linked violation
January 6, 2020State Violation/Reminder Notice1 linked violation
January 6, 2020State Public Notification requested1 linked violation
October 30, 2019State Public Notification received2 linked violations
September 30, 2019State Violation/Reminder Notice2 linked violations
September 30, 2019State Public Notification requested2 linked violations
July 19, 2019State Public Notification received3 linked violations
July 8, 2019State Violation/Reminder Notice3 linked violations
July 8, 2019State Public Notification requested3 linked violations
April 18, 2019State Public Notification received3 linked violations
April 16, 2019State Violation/Reminder Notice3 linked violations
April 16, 2019State Public Notification requested3 linked violations
January 25, 2019State Public Notification received1 linked violation
January 11, 2019State Administrative/Compliance Order without penalty issued1 linked violation
January 11, 2019State Public Notification requested1 linked violation
March 31, 2017State Public Notification received1 linked violation
March 23, 2017State Violation/Reminder Notice1 linked violation
March 23, 2017State Public Notification requested1 linked violation
March 3, 2017State Public Notification received2 linked violations
February 1, 2017State Violation/Reminder Notice2 linked violations
February 1, 2017State Public Notification requested2 linked violations
December 12, 2016State Public Notification received6 linked violations
November 29, 2016State Public Notification requested6 linked violations
November 29, 2016State Violation/Reminder Notice6 linked violations
October 18, 2016State Administrative/Compliance Order with penalty issued26 linked violations
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 20, 2016State Compliance achieved1 linked violation
June 3, 2016State Violation/Reminder Notice1 linked violation
April 14, 2016State Public Notification received2 linked violations
March 22, 2016State Administrative/Compliance Order with penalty issued2 linked violations
March 22, 2016State Public Notification requested2 linked violations
November 16, 2015State Public Notification received2 linked violations
November 16, 2015State Compliance achieved1 linked violation
November 13, 2015State Violation/Reminder Notice1 linked violation
November 2, 2015State Public Notification requested2 linked violations
November 2, 2015State Administrative/Compliance Order with penalty issued2 linked violations
October 7, 2015State Public Notification received1 linked violation
September 3, 2015State Administrative/Compliance Order with penalty issued1 linked violation
September 3, 2015State Public Notification requested1 linked violation
July 10, 2015State Compliance achieved1 linked violation
January 14, 2015State Violation/Reminder Notice1 linked violation
June 12, 2014State Compliance achieved1 linked violation
July 7, 2006State Public Notification received1 linked violation
July 7, 2006State Compliance achieved2 linked violations
February 28, 2005State Compliance achieved1 linked violation
February 28, 2005State Compliance achieved1 linked violation
February 28, 2005State Compliance achieved1 linked violation
August 3, 2004State Violation/Reminder Notice2 linked violations
August 3, 2004State Public Notification requested1 linked violation
June 8, 2004State Violation/Reminder Notice1 linked violation
December 19, 2003State Public Notification requested1 linked violation
December 19, 2003State Violation/Reminder Notice1 linked violation

Contact

OAKLAND PUBLIC WORKS AUTHORITY

580-795-3467

MADILL, OK 73446