GUPTIL SUBDIVISION
PWS ID: OR4100602 · OTIS, Oregon 97368
Population Served
79
Total Violations
55
Health-Based Violations
18
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 20
- County
- Lincoln
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 32
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 15 | 2012 |
| Revised Total Coliform Rule | MON | 8 | 2024 |
| E. COLI | MR | 7 | 2024 |
| Coliform (TCR) | MR | 6 | 2011 |
| Lead and Copper Rule | MR | 4 | 2017 |
| Revised Total Coliform Rule | MCL | 3 | 2023 |
| Nitrate | MR | 2 | 2021 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 2008 |
| Combined Radium (-226 and -228) | MR | 2 | 2008 |
| Arsenic | MR | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.