MILLERSVILLE ST MARY CHURCH
PWS ID: OH7241612 · HELENA, Ohio 43435
Population Served
256
Total Violations
274
Health-Based Violations
105
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Sandusky
- School/Daycare
- No
- MCL Violations
- 105
- Monitoring Violations
- 162
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 105 | 2002 |
| Coliform (TCR) | MR | 32 | 2002 |
| Asbestos | MR | 4 | 1995 |
| Barium | MR | 4 | 1998 |
| Chromium | MR | 4 | 1998 |
| Mercury | MR | 4 | 1998 |
| Beryllium, Total | MR | 4 | 1998 |
| Thallium, Total | MR | 4 | 1998 |
| Arsenic | MR | 4 | 1998 |
| Fluoride | MR | 4 | 1998 |
| Atrazine | MR | 4 | 1996 |
| Antimony, Total | MR | 4 | 1998 |
| Cadmium | MR | 4 | 1998 |
| Simazine | MR | 4 | 1996 |
| Nickel | MR | 4 | 1998 |
| Selenium | MR | 4 | 1998 |
| LASSO | MR | 4 | 1996 |
| Nitrate | MR | 4 | 1995 |
| Lead and Copper Rule | MR | 3 | 1997 |
| Xylenes, Total | MR | 3 | 1998 |
| 1,1,1-Trichloroethane | MR | 3 | 1998 |
| CHLOROBENZENE | MR | 3 | 1998 |
| Vinyl chloride | MR | 3 | 1998 |
| Tetrachloroethylene | MR | 3 | 1998 |
| Ethylbenzene | MR | 3 | 1998 |
| 1,1-Dichloroethylene | MR | 3 | 1998 |
| Carbon tetrachloride | MR | 3 | 1998 |
| Trichloroethylene | MR | 3 | 1998 |
| Toluene | MR | 3 | 1998 |
| trans-1,2-Dichloroethylene | MR | 3 | 1998 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.