MADILL, OK · Marshall County

CARDINAL HILL SUBDIVISION 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): OK2004539
System type: Community Water System
Population served: 475
Service connections: 187
Ownership: privately owned
Water source: groundwater (wells)

Violation history

LSL Inventory
Health-based
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
August 1, 2013 – August 30, 2013
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2012 – April 18, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 2011 – September 30, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2011 – March 14, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 2010 – March 14, 2011
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – October 16, 2012
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2009 – October 31, 2009
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – October 16, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2008 – March 14, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 2008 – September 30, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – October 16, 2012
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2008 – June 30, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2007 – October 16, 2012
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 2005 – September 30, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2003 – May 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1998 – November 30, 1998
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1996 – January 31, 1996
Resolved
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
June 1, 1993 – December 20, 1994
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 17, 2024 – July 15, 2025	LSL Inventory	LEAD AND COPPER RULE REVISIONS	Health-based	Resolved
October 17, 2024 – July 15, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
August 1, 2013 – August 30, 2013	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
January 1, 2012 – April 18, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
September 1, 2011 – September 30, 2011	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2011 – March 14, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2010 – March 14, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2010 – October 16, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2009 – October 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – October 16, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2008 – March 14, 2011	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, 2008 – October 16, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2008 – June 30, 2008	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2007 – October 16, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
September 1, 2005 – September 30, 2005	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2005 – August 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2005 – July 31, 2005	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 1998 – November 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 1996 – January 31, 1996	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
June 1, 1993 – December 20, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 15, 2025State Compliance achieved1 linked violation
July 11, 2025State Violation/Reminder Notice2 linked violations
October 22, 2018State Public Notification requested1 linked violation
August 4, 2016State Compliance achieved1 linked violation
August 4, 2016State Compliance achieved3 linked violations
August 30, 2013Federal Compliance achieved1 linked violation
October 28, 2009State Violation/Reminder Notice4 linked violations
May 13, 2009State Public Notification requested15 linked violations
September 4, 2008State Public Notification requested10 linked violations
August 25, 2008State Public Notification requested6 linked violations
August 25, 2008State Public Notification requested8 linked violations
June 30, 2008State Public Notification requested6 linked violations

Contact

TEXOMA WATER, LLC

580-564-7069

MADILL, OK 73446