SLEEPY HOLLOW WATER DISTRICT
PWS ID: OR4100629 · SANDY, Oregon 97055
Population Served
135
Total Violations
155
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 65
- County
- Clackamas
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 119
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 15 | 2013 |
| Consumer Confidence Rule | Other | 15 | 2025 |
| Coliform (TCR) | MR | 11 | 2015 |
| Coliform (TCR) | MCL | 10 | 2015 |
| Revised Total Coliform Rule | MON | 5 | 2021 |
| Nitrate | MR | 4 | 2011 |
| Diquat | MR | 2 | 2020 |
| OXAMYL | MR | 2 | 2020 |
| Di(2-ethylhexyl) phthalate | MR | 2 | 2020 |
| Dinoseb | MR | 2 | 2020 |
| Carbofuran | MR | 2 | 2020 |
| Atrazine | MR | 2 | 2020 |
| LASSO | MR | 2 | 2020 |
| Heptachlor | MR | 2 | 2020 |
| HEXACHLOROBENZENE | MR | 2 | 2020 |
| Benzo(a)pyrene | MR | 2 | 2020 |
| Total Polychlorinated Biphenyls (PCB) | MR | 2 | 2020 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 2 | 2020 |
| ETHYLENE DIBROMIDE | MR | 2 | 2020 |
| Chlordane | MR | 2 | 2020 |
| Methoxychlor | MR | 2 | 2020 |
| Toxaphene | MR | 2 | 2020 |
| Endothall | MR | 2 | 2020 |
| Glyphosate | MR | 2 | 2020 |
| Simazine | MR | 2 | 2020 |
| Picloram | MR | 2 | 2020 |
| Heptachlor epoxide | MR | 2 | 2020 |
| 2,4,5-TP | MR | 2 | 2020 |
| Dalapon | MR | 2 | 2020 |
| Hexachlorocyclopentadiene | MR | 2 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.