ST LAWRENCE CHURCH
PWS ID: WI2670189 · Hartford, Wisconsin 53027-9436
Population Served
254
Total Violations
217
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 9
- Monitoring Violations
- 207
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 21 | 2002 |
| Coliform (TCR) | MCL | 9 | 1996 |
| Nitrate | MR | 6 | 2002 |
| Lead and Copper Rule | MR | 6 | 2001 |
| Nickel | MR | 3 | 2001 |
| Fluoride | MR | 3 | 2001 |
| Chromium | MR | 3 | 2001 |
| Thallium, Total | MR | 3 | 2001 |
| Antimony, Total | MR | 3 | 2001 |
| Nitrate-Nitrite | MR | 3 | 2001 |
| Dinoseb | MR | 3 | 2001 |
| Carbofuran | MR | 3 | 2001 |
| Heptachlor | MR | 3 | 2001 |
| Toxaphene | MR | 3 | 2001 |
| Methoxychlor | MR | 3 | 2001 |
| Endrin | MR | 3 | 2001 |
| 2,4-D | MR | 3 | 2001 |
| 2,4,5-TP | MR | 3 | 2001 |
| Pentachlorophenol | MR | 3 | 2001 |
| Total Polychlorinated Biphenyls (PCB) | MR | 3 | 2001 |
| Chlordane | MR | 3 | 2001 |
| OXAMYL | MR | 3 | 2001 |
| Benzene | MR | 3 | 2001 |
| Trichloroethylene | MR | 3 | 2001 |
| 1,2-Dichloropropane | MR | 3 | 2001 |
| Styrene | MR | 3 | 2001 |
| Ethylbenzene | MR | 3 | 2001 |
| Vinyl chloride | MR | 3 | 2001 |
| Xylenes, Total | MR | 3 | 2001 |
| o-Dichlorobenzene | MR | 3 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.