MONTMORENCY SCHOOL
PWS ID: IL3035311 · ROCK FALLS, Illinois 61071
Population Served
250
Total Violations
205
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Whiteside
- School/Daycare
- Yes
- MCL Violations
- 2
- Monitoring Violations
- 201
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Cadmium | MR | 8 | 2014 |
| Chromium | MR | 8 | 2014 |
| Mercury | MR | 8 | 2014 |
| Beryllium, Total | MR | 8 | 2014 |
| Antimony, Total | MR | 8 | 2014 |
| Thallium, Total | MR | 8 | 2014 |
| Selenium | MR | 8 | 2014 |
| Barium | MR | 8 | 2014 |
| CYANIDE | MR | 8 | 2014 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2008 |
| cis-1,2-Dichloroethylene | MR | 3 | 2008 |
| DICHLOROMETHANE | MR | 3 | 2008 |
| p-Dichlorobenzene | MR | 3 | 2008 |
| trans-1,2-Dichloroethylene | MR | 3 | 2008 |
| 1,2-Dichloroethane | MR | 3 | 2008 |
| 1,1,1-Trichloroethane | MR | 3 | 2008 |
| Carbon tetrachloride | MR | 3 | 2008 |
| Trichloroethylene | MR | 3 | 2008 |
| 1,1,2-Trichloroethane | MR | 3 | 2008 |
| Tetrachloroethylene | MR | 3 | 2008 |
| Benzene | MR | 3 | 2008 |
| Toluene | MR | 3 | 2008 |
| Ethylbenzene | MR | 3 | 2008 |
| Methoxychlor | MR | 3 | 2014 |
| Toxaphene | MR | 3 | 2014 |
| Diquat | MR | 3 | 2014 |
| OXAMYL | MR | 3 | 2014 |
| Carbofuran | MR | 3 | 2014 |
| LASSO | MR | 3 | 2014 |
| Heptachlor | MR | 3 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.