HANNAH HEIGHTS OWNERS ASSOCIATION
PWS ID: WA5330850 · Friday Harbor, Washington 98250
Population Served
66
Total Violations
82
Health-Based Violations
31
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 44
- County
- San Juan
- School/Daycare
- No
- MCL Violations
- 31
- Monitoring Violations
- 44
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 31 | 2005 |
| Coliform (TCR) | MR | 5 | 1997 |
| Consumer Confidence Rule | Other | 4 | 2024 |
| Aldicarb sulfoxide | MR | 2 | 2008 |
| Aldicarb | MR | 2 | 2008 |
| Carbofuran | MR | 2 | 2008 |
| OXAMYL | MR | 2 | 2008 |
| Aldicarb sulfone | MR | 2 | 2008 |
| cis-1,2-Dichloroethylene | MR | 1 | 2002 |
| Vinyl chloride | MR | 1 | 2002 |
| trans-1,2-Dichloroethylene | MR | 1 | 2002 |
| 1,2-Dichloropropane | MR | 1 | 2002 |
| Tetrachloroethylene | MR | 1 | 2002 |
| CHLOROBENZENE | MR | 1 | 2002 |
| Benzene | MR | 1 | 2002 |
| Toluene | MR | 1 | 2002 |
| Styrene | MR | 1 | 2002 |
| Mercury | MR | 1 | 1979 |
| Cadmium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| 1,1,1-Trichloroethane | MR | 1 | 2002 |
| o-Dichlorobenzene | MR | 1 | 2002 |
| Selenium | MR | 1 | 1979 |
| Trichloroethylene | MR | 1 | 2002 |
| 1,1,2-Trichloroethane | MR | 1 | 2002 |
| Ethylbenzene | MR | 1 | 2002 |
| DICHLOROMETHANE | MR | 1 | 2002 |
| Fluoride | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.