PlainWater
StatesOhio

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.