MAPLE TERRACE MOBILE HOME PARK
PWS ID: OR4100983 · HAPPY VALLEY, Oregon 97086
Population Served
70
Total Violations
31
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 23
- County
- Columbia
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 18
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 11 | 2009 |
| Lead and Copper Rule | TT | 4 | 2022 |
| Revised Total Coliform Rule | MON | 3 | 2025 |
| LEAD AND COPPER RULE REVISIONS | TT | 3 | 2024 |
| Public Notice | Other | 2 | 2025 |
| Lead and Copper Rule | MR | 1 | 2020 |
| Consumer Confidence Rule | Other | 1 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1976 |
| E. COLI | MR | 1 | 2017 |
| Coliform (TCR) | MCL | 1 | 1992 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.