OWASSO, OK · Tulsa County
OWASSO 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)
- OK3007218
- System type
- Community Water System
- Population served
- 23,000
- Service connections
- 10,468
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
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
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2016 – March 21, 2018
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 2013 – February 28, 2013
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2011 – October 31, 2011
ResolvedMonitoring, Routine (IDSE)
—TTHM
December 1, 2007 – January 31, 2008
ResolvedMonitoring, Routine (IDSE)
—Total Haloacetic Acids (HAA5)
December 1, 2007 – January 31, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2005 – December 31, 2005
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2005 – October 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2005 – October 31, 2005
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2004 – November 30, 2004
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1996 – September 30, 1996
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 1992 – June 30, 1992
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 |
| October 1, 2016 – March 21, 2018 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| February 1, 2013 – February 28, 2013 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2011 – October 31, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| December 1, 2007 – January 31, 2008 | Monitoring, Routine (IDSE) | TTHM | — | Resolved |
| December 1, 2007 – January 31, 2008 | Monitoring, Routine (IDSE) | Total Haloacetic Acids (HAA5) | — | Resolved |
| December 1, 2005 – December 31, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2005 – October 31, 2005 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2005 – October 31, 2005 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 2004 – November 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1996 – September 30, 1996 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1992 – June 30, 1992 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 20, 2015State Compliance achieved2 linked violations
Contact
OWASSO
918-272-4959
OWASSO, OK 74055