ASPEN LAKES UTILITY CO LLC
PWS ID: OR4101476 · SISTERS, Oregon 97759
Population Served
150
Total Violations
98
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 95
- County
- Deschutes
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 88
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 12 | 2015 |
| Consumer Confidence Rule | Other | 6 | 2023 |
| Coliform (TCR) | MCL | 4 | 2011 |
| Lead and Copper Rule | MR | 3 | 2017 |
| Nitrate | MR | 3 | 2000 |
| Antimony, Total | MR | 2 | 2002 |
| Beryllium, Total | MR | 2 | 2002 |
| CYANIDE | MR | 2 | 2002 |
| Nickel | MR | 2 | 2002 |
| Arsenic | MR | 2 | 2002 |
| Thallium, Total | MR | 2 | 2002 |
| Carbon tetrachloride | MR | 1 | 1999 |
| cis-1,2-Dichloroethylene | MR | 1 | 1999 |
| CHLOROBENZENE | MR | 1 | 1999 |
| Styrene | MR | 1 | 1999 |
| trans-1,2-Dichloroethylene | MR | 1 | 1999 |
| 2,4-D | MR | 1 | 1999 |
| 2,4,5-TP | MR | 1 | 1999 |
| Benzo(a)pyrene | MR | 1 | 1999 |
| Carbofuran | MR | 1 | 1999 |
| Dinoseb | MR | 1 | 1999 |
| Dalapon | MR | 1 | 1999 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 1999 |
| Diquat | MR | 1 | 1999 |
| Endothall | MR | 1 | 1999 |
| Endrin | MR | 1 | 1999 |
| Glyphosate | MR | 1 | 1999 |
| Heptachlor epoxide | MR | 1 | 1999 |
| Heptachlor | MR | 1 | 1999 |
| HEXACHLOROBENZENE | MR | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.