TWIN PEAKS
PWS ID: AK2227539 · PALMER, Alaska 99645
Population Served
37
Total Violations
113
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 12
- County
- Matanuska-Susitna Borough
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 55
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | MR | 9 | 2025 |
| Consumer Confidence Rule | Other | 6 | 2020 |
| Coliform (TCR) | MR | 6 | 2010 |
| Coliform (TCR) | MCL | 5 | 2010 |
| Chlorine | MR | 4 | 2019 |
| Arsenic | MR | 3 | 1989 |
| Cadmium | MR | 3 | 1989 |
| Selenium | MR | 3 | 1989 |
| Fluoride | MR | 3 | 1989 |
| Barium | MR | 3 | 1989 |
| Groundwater Rule | TT | 3 | 2012 |
| Nitrate | MR | 3 | 1989 |
| Mercury | MR | 3 | 1989 |
| Lead and Copper Rule | MR | 2 | 1996 |
| Chromium | MCL | 1 | 1989 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2016 |
| Revised Total Coliform Rule | MON | 1 | 2025 |
| p-Dichlorobenzene | MR | 1 | 1991 |
| 1,1,1-Trichloroethane | MR | 1 | 1991 |
| Trichloroethylene | MR | 1 | 1991 |
| Benzene | MR | 1 | 1991 |
| 1,2-Dichloroethane | MR | 1 | 1991 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1987 |
| Chromium | MR | 1 | 1986 |
| Vinyl chloride | MR | 1 | 1991 |
| 1,1-Dichloroethylene | MR | 1 | 1991 |
| Carbon tetrachloride | MR | 1 | 1991 |
| TTHM | MR | 1 | 2016 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.