TRI-COUNTY WATER AUTHORITY
Ohio — Community Water System — PWSID: OH3401403
System Information
| PWSID | OH3401403 |
| System Name | TRI-COUNTY WATER AUTHORITY |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 30, 1981 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Ohio |
| City | HARRISVILLE |
| ZIP Code | 43972 |
| Address | P.O. BOX 546 |
| Organization | WELLING, TAMMY |
| Phone | 740-546-3745 |
Population & Service
| Population Served | 2,370 |
| Service Connections | 783 |
Drinking Water Violations (17)
This water system has 17 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 20, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Apr 19, 2024 | Public Notice Rule and Revised PN Rule |
| Dec 20, 2023 | — | Public Notice | Other | No | No | — | — | — | Resolved | Apr 19, 2024 | Public Notice Rule and Revised PN Rule |
| Nov 1, 2022 | Nov 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | Revised Total Coliform Rule |
| Nov 1, 2022 | Nov 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | Revised Total Coliform Rule |
| Nov 1, 2022 | Nov 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | Revised Total Coliform Rule |
| Nov 1, 2022 | Nov 30, 2022 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | Revised Total Coliform Rule |
| Jan 2, 2010 | — | Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | No | No | — | — | — | Resolved | Sep 15, 2010 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 2, 2010 | — | Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | No | No | — | — | — | Resolved | Sep 15, 2010 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Oct 1, 2008 | Sep 30, 2009 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2009 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Sep 30, 2009 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2009 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Sep 30, 2009 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2009 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Sep 30, 2009 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2009 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform Rule |
| — | — | — | No | No | — | — | — | — | — | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.