MONTICELLO CITY
PWS ID: UTAH19004 · MONTICELLO, Utah 84535
Population Served
2,393
Total Violations
243
Health-Based Violations
0
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 940
- County
- San Juan
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 211
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 20 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 20 | 2017 |
| Surface Water Treatment Rule | MR | 18 | 2017 |
| Revised Total Coliform Rule | RPT | 9 | 2017 |
| Coliform (TCR) | MR | 8 | 2007 |
| Arsenic | MR | 8 | 1997 |
| Barium | MR | 8 | 1997 |
| Cadmium | MR | 8 | 1997 |
| Chromium | MR | 8 | 1997 |
| Fluoride | MR | 8 | 1997 |
| Mercury | MR | 8 | 1997 |
| Selenium | MR | 8 | 1997 |
| Revised Total Coliform Rule | MON | 6 | 2020 |
| Endrin | MR | 5 | 1988 |
| BHC-GAMMA | MR | 5 | 1988 |
| Toxaphene | MR | 5 | 1988 |
| 2,4-D | MR | 5 | 1988 |
| 2,4,5-TP | MR | 5 | 1988 |
| Nitrate | MR | 5 | 1993 |
| Methoxychlor | MR | 5 | 1988 |
| CYANIDE | MR | 4 | 1997 |
| Antimony, Total | MR | 4 | 1997 |
| Beryllium, Total | MR | 4 | 1997 |
| Nickel | MR | 4 | 1997 |
| Thallium, Total | MR | 4 | 1997 |
| Lead and Copper Rule | MR | 3 | 2011 |
| Coliform (TCR) | Other | 2 | 1994 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1990 |
| p-Dichlorobenzene | MR | 1 | 1990 |
| Vinyl chloride | MR | 1 | 1990 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.