HARRISON, OH · Hamilton County
TWIN RIVERS WATER CORPORATION Water System
Current status
2 items on record are 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 Ohio’s official records. Always confirm current status with Ohio before making decisions based on this information.
System facts
- System ID (PWSID)
- OH3102303
- System type
- Community Water System
- Population served
- 245
- Service connections
- 96
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Notification, Known or Potential LSL
—LEAD AND COPPER RULE REVISIONS
July 2, 2025
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
December 13, 2018
UnaddressedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2015 – September 23, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2003 – September 30, 2003
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2000 – September 30, 2000
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 1999 – November 30, 1999
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
February 1, 1997 – February 28, 1997
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
November 1, 1996 – November 30, 1996
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
November 1, 1996 – November 30, 1996
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
September 1, 1996 – September 30, 1996
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 2, 2025 | Notification, Known or Potential LSL | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| December 13, 2018 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Unaddressed |
| October 1, 2015 – September 23, 2016 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2003 – September 30, 2003 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 2000 – September 30, 2000 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1999 – November 30, 1999 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| February 1, 1997 – February 28, 1997 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1996 – November 30, 1996 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
| November 1, 1996 – November 30, 1996 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 1, 1996 – September 30, 1996 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- October 21, 2025State Violation/Reminder Notice1 linked violation
- October 21, 2025State Public Notification requested1 linked violation
- December 14, 2018State Violation/Reminder Notice1 linked violation
- September 23, 2016State Compliance achieved1 linked violation
- January 8, 2016State Public Notification received1 linked violation
- December 7, 2015State Public Notification requested1 linked violation
- December 7, 2015State Violation/Reminder Notice1 linked violation
- November 20, 2000State Public Notification received10 linked violations
- September 20, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- August 18, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- March 17, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
- December 17, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
Contact
WESTERFIELD, PEGGY
513-367-2835
HARRISON, OH 45030