OURAY CITY OF
PWS ID: CO0146588 · OURAY, Colorado 81427
Population Served
1,460
Total Violations
334
Health-Based Violations
5
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,004
- County
- Ouray
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 300
- Treatment Tech Violations
- 5
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 16 | 2021 |
| Coliform (TCR) | MR | 15 | 2003 |
| Chlorine | MR | 9 | 2023 |
| TTHM | MR | 9 | 2021 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2021 |
| Consumer Confidence Rule | Other | 7 | 2017 |
| Endrin | MR | 6 | 2017 |
| Methoxychlor | MR | 6 | 2017 |
| Toxaphene | MR | 6 | 2017 |
| Dalapon | MR | 6 | 2017 |
| OXAMYL | MR | 6 | 2017 |
| Simazine | MR | 6 | 2017 |
| Picloram | MR | 6 | 2017 |
| Dinoseb | MR | 6 | 2017 |
| Hexachlorocyclopentadiene | MR | 6 | 2017 |
| LASSO | MR | 6 | 2017 |
| Heptachlor epoxide | MR | 6 | 2017 |
| 2,4,5-TP | MR | 6 | 2017 |
| HEXACHLOROBENZENE | MR | 6 | 2017 |
| Benzo(a)pyrene | MR | 6 | 2017 |
| Total Polychlorinated Biphenyls (PCB) | MR | 6 | 2017 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 6 | 2017 |
| Chlordane | MR | 6 | 2017 |
| Diquat | MR | 6 | 2017 |
| Endothall | MR | 6 | 2017 |
| Di(2-ethylhexyl) adipate | MR | 6 | 2017 |
| Carbofuran | MR | 6 | 2017 |
| Heptachlor | MR | 6 | 2017 |
| 2,4-D | MR | 6 | 2017 |
| Pentachlorophenol | MR | 6 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.