NEWCASTLE, OK · McClain County
NEWCASTLE Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
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)
- OK2004704
- System type
- Community Water System
- Population served
- 7,900
- Service connections
- 5,032
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2025
UnaddressedMonitoring and Reporting (DBP)
—Chlorine
June 1, 2025 – June 30, 2025
ResolvedMonitoring, Regular
—Chromium
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Fluoride
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Mercury
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Nickel
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Selenium
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Barium
January 1, 2014 – December 31, 2016
ResolvedMonitoring, Regular
—Cadmium
January 1, 2014 – December 31, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2012 – July 31, 2012
ResolvedMonitoring, Routine (IDSE)
—Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Routine (IDSE)
—TTHM
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
September 1, 2008 – September 30, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 2007 – May 31, 2007
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2005 – December 31, 2007
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2025 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Unaddressed |
| June 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2014 – December 31, 2016 | Monitoring, Regular | Cadmium | — | Resolved |
| July 1, 2012 – July 31, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Routine (IDSE) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Routine (IDSE) | TTHM | — | Resolved |
| September 1, 2008 – September 30, 2008 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2007 – May 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- November 21, 2025State Violation/Reminder Notice1 linked violation
- November 21, 2025State Public Notification requested1 linked violation
- September 17, 2025State Compliance achieved1 linked violation
- August 13, 2025State Violation/Reminder Notice1 linked violation
- August 13, 2025State Public Notification requested1 linked violation
- April 3, 2024State Public Notification received1 linked violation
- April 3, 2024State Public Notification received1 linked violation
- July 7, 2023State Compliance achieved2 linked violations
- April 4, 2023State Public Notification requested2 linked violations
- April 4, 2023State Violation/Reminder Notice2 linked violations
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- December 4, 2019State Public Notification received1 linked violation
- May 30, 2017State Compliance achieved10 linked violations
- April 20, 2017State Violation/Reminder Notice10 linked violations
- April 20, 2017State Public Notification requested10 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 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 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 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
- February 20, 2015State Compliance achieved2 linked violations
- February 20, 2015State Compliance achieved2 linked violations
- September 12, 2012State Public Notification received1 linked violation
- September 5, 2012State Public Notification requested1 linked violation
- September 5, 2012State Violation/Reminder Notice1 linked violation
- July 31, 2012State Compliance achieved1 linked violation
- January 2, 2009State Compliance achieved3 linked violations
- December 3, 2008State Public Notification received1 linked violation
- October 27, 2008State Violation/Reminder Notice1 linked violation
- October 27, 2008State Public Notification requested1 linked violation
- October 1, 2008State Compliance achieved1 linked violation
- September 16, 2008State Administrative/Compliance Order with penalty issued3 linked violations
- September 16, 2008State Public Notification requested1 linked violation
- July 5, 2007State Public Notification received1 linked violation
- July 5, 2007State Compliance achieved1 linked violation
- June 27, 2007State Public Notification requested1 linked violation
- June 27, 2007State Violation/Reminder Notice1 linked violation
- November 16, 2005State Compliance achieved2 linked violations
- November 16, 2005State Public Notification received2 linked violations
- October 20, 2005State Public Notification requested2 linked violations
- October 20, 2005State Violation/Reminder Notice2 linked violations
- September 9, 2001State Compliance achieved1 linked violation
- July 30, 2001State Administrative/Compliance Order with penalty issued1 linked violation
Contact
NEWCASTLE
405-387-2690
NEWCASTLE, OK 73065