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 | Feb 25, 2026 |
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 | — | Other | No | No | — | — | — | Resolved | Apr 19, 2024 | — | |
| Dec 20, 2023 | — | Other | No | No | — | — | — | Resolved | Apr 19, 2024 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Nov 1, 2022 | Nov 30, 2022 | MON | No | Yes | — | — | — | Resolved | Nov 30, 2022 | — | |
| Jan 2, 2010 | — | MR | No | No | — | — | — | Resolved | Sep 15, 2010 | — | |
| Jan 2, 2010 | — | MR | No | No | — | — | — | Resolved | Sep 15, 2010 | — | |
| Jan 1, 2009 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Oct 1, 2008 | Sep 30, 2009 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Oct 1, 2008 | Sep 30, 2009 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2009 | — | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | — | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | — | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | — | |
| — | — | — | 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.