GRANTFORK
PWS ID: IL1190350 · HIGHLAND, Illinois 62249
Population Served
1,766
Total Violations
84
Health-Based Violations
8
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 740
- County
- Madison
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 36
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chloramine | MR | 12 | 2021 |
| Revised Total Coliform Rule | MON | 12 | 2021 |
| Consumer Confidence Rule | Other | 9 | 2025 |
| Public Notice | Other | 9 | 2025 |
| TTHM | MR | 6 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2024 |
| Total Haloacetic Acids (HAA5) | MCL | 6 | 2013 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2025 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.