INDIAN RIDGE WATER COMPANY
PWS ID: WA5335640 · Arlington, Washington 98223
Population Served
120
Total Violations
25
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 41
- County
- Island
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 18
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 13 | 1997 |
| Coliform (TCR) | MCL | 3 | 1998 |
| Revised Total Coliform Rule | MON | 2 | 2024 |
| Lead and Copper Rule | MR | 1 | 1997 |
| Arsenic | MR | 1 | 2020 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Consumer Confidence Rule | Other | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.