MADILL, OK · Marshall County
CARDINAL HILL SUBDIVISION Water System
Consumer Confidence Report status
CARDINAL HILL SUBDIVISION 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 CARDINAL HILL SUBDIVISION.
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)
- OK2004539
- System type
- Community Water System
- Population served
- 475
- Service connections
- 187
- Ownership
- privately owned
- Water source
- groundwater (wells)
CARDINAL HILL SUBDIVISION is one of 1,277 community water systems in Oklahoma in the 500 or fewer people size category, serving 475 people from groundwater.
As of August 1, 2026, its federal record holds 16 entries between 2006 and 2024, all of which EPA lists as closed.
Of the 16, 9 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 Lead and Copper Rule, the Total Coliform Rules, and the Consumer Confidence Rule.
Violation history
LSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
ResolvedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024 – July 15, 2025
ResolvedMonitoring, Source Water (GWR)
—E. COLI
August 1, 2013 – August 30, 2013
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2012 – April 18, 2012
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2011 – September 30, 2011
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
January 1, 2011 – March 14, 2011
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – October 16, 2012
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2010 – March 14, 2011
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
August 1, 2009 – August 31, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2009 – October 16, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – October 16, 2012
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2008 – June 30, 2008
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
June 1, 2008 – June 30, 2008
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
May 1, 2008 – May 31, 2008
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2007 – October 16, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – October 16, 2012
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 – July 15, 2025 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Resolved |
| October 17, 2024 – July 15, 2025 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | 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 – October 16, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2010 – March 14, 2011 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| August 1, 2009 – August 31, 2009 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2009 – October 16, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – October 16, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2008 – June 30, 2008 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 2008 – June 30, 2008 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2008 – May 31, 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 |
| July 1, 2006 – October 16, 2012 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- July 15, 2025State Compliance achieved1 linked violation
- July 11, 2025State Violation/Reminder Notice3 linked violations
- July 11, 2025State Violation/Reminder Notice2 linked violations
- October 22, 2018State Public Notification requested1 linked violation
- August 30, 2013Federal Compliance achieved1 linked violation
- February 23, 2010State Violation/Reminder Notice64 linked violations
- February 23, 2009State Public Notification requested5 linked violations
- September 4, 2008State Public Notification requested10 linked violations
Common questions
Is CARDINAL HILL SUBDIVISION required to publish a Consumer Confidence Report?
- Yes. CARDINAL HILL SUBDIVISION 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 CARDINAL HILL SUBDIVISION’s next Consumer Confidence Report due?
- CARDINAL HILL SUBDIVISION’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CARDINAL HILL SUBDIVISION have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CARDINAL HILL SUBDIVISION.
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
TEXOMA WATER, LLC
580-564-7069
MADILL, OK 73446