KEYSTONE COOPERATIVE
PWS ID: IN2890823 · INDIANAPOLIS, Indiana 46214-3756
Population Served
52
Total Violations
96
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 2
- County
- Wayne
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 85
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 62 | 2009 |
| Nitrate | MR | 13 | 2009 |
| Coliform (TCR) | MCL | 8 | 2006 |
| Revised Total Coliform Rule | MON | 6 | 2020 |
| E. COLI | MR | 4 | 2024 |
| Nitrate | MCL | 3 | 2003 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.