SONOMA ELEMENTARY SCHOOL
PWS ID: MI2005413 · BATTLE CREEK, Michigan 49014
Population Served
300
Total Violations
62
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Calhoun
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 62
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 13 | 2016 |
| Coliform (TCR) | MR | 10 | 1996 |
| Revised Total Coliform Rule | MON | 6 | 2018 |
| Arsenic | MR | 4 | 2014 |
| Barium | MR | 3 | 2014 |
| Nickel | MR | 3 | 2014 |
| Beryllium, Total | MR | 3 | 2014 |
| Thallium, Total | MR | 3 | 2014 |
| Selenium | MR | 3 | 2014 |
| Antimony, Total | MR | 3 | 2014 |
| Mercury | MR | 3 | 2014 |
| Chromium | MR | 3 | 2014 |
| Cadmium | MR | 3 | 2014 |
| Nitrate | MR | 2 | 1996 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.