MECHANICSBURG-BUFFALO WATER COMMISSION
PWS ID: IL1675150 · BUFFALO, Illinois 62515
Population Served
1,170
Total Violations
80
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 451
- County
- Sangamon
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 65
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 16 | 1995 |
| Revised Total Coliform Rule | MON | 12 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 11 | 2024 |
| TTHM | MR | 11 | 2024 |
| Chlorine | MR | 8 | 2023 |
| Consumer Confidence Rule | Other | 5 | 2025 |
| Lead and Copper Rule | MR | 3 | 2022 |
| Di(2-ethylhexyl) phthalate | MR | 3 | 2024 |
| Public Notice | Other | 1 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.