GATES, CITY OF
PWS ID: OR4100317 · GATES, Oregon 97346
Population Served
220
Total Violations
150
Health-Based Violations
125
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 245
- County
- Marion
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 21
- Treatment Tech Violations
- 125
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 123 | 1999 |
| Surface Water Treatment Rule | MR | 6 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 4 | 2025 |
| TTHM | MR | 2 | 2007 |
| Interim Enhanced Surface Water Treatment Rule | TT | 2 | 2009 |
| Lead and Copper Rule | MR | 2 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2007 |
| Arsenic | MR | 1 | 2004 |
| Nitrate | MR | 1 | 2006 |
| Consumer Confidence Rule | Other | 1 | 2001 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| Coliform (TCR) | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.