What was found in Park City's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate | 3500 µg/L 35% of the EPA limit 10000 µg/L | 6/6 | SYR4 |
| Nitrate-Nitrite | 1900 µg/L 19% of the EPA limit 10000 µg/L | 4/6 | SYR4 |
| Copper | 1060 µg/L 82% of the EPA limit 1300 µg/L | 6/6 | SYR4 |
| Fluoride | 734.4 µg/L 18% of the EPA limit 4000 µg/L | 6/6 | SYR4 |
| Barium | 420 µg/L 21% of the EPA limit 2000 µg/L | 6/6 | SYR4 |
| TTHM | 72.4 µg/L 91% of the EPA limit 80 µg/L | 5/6 | SYR4 |
| Chloroform | 60.3 µg/L No EPA limit set | 4/6 | SYR4 |
| Total Haloacetic Acids (HAA5) | 42 µg/L 70% of the EPA limit 60 µg/L | 5/6 | SYR4 |
| Lead | 29.1 µg/L 194% of the EPA limit, in the worst sample — 15 µg/L | 6/6 | SYR4 |
| Cyanide | 24 µg/L 12% of the EPA limit 200 µg/L | 5/6 | SYR4 |
| Lithium | 24 µg/L No EPA limit set | 3/6 | UCMR-5 |
| Arsenic | 23.6 µg/L 236% of the EPA limit, in the worst sample — 10 µg/L | 5/6 | SYR4 |
| Trichloroacetic Acid | 16.2 µg/L No EPA limit set | 4/6 | SYR4 |
| Dichloroacetic Acid | 14.8 µg/L No EPA limit set | 4/6 | SYR4 |
| Selenium | 10.2 µg/L 20% of the EPA limit 50 µg/L | 6/6 | SYR4 |
| Bromodichloromethane | 10.1 µg/L No EPA limit set | 5/6 | SYR4 |
| Gross Beta Particle Activity | 9 pCi/L No EPA limit set | 6/6 | SYR4 |
| Dibromochloromethane | 8.6 µg/L No EPA limit set | 5/6 | SYR4 |
| Antimony, Total | 8.5 µg/L 142% of the EPA limit, in the worst sample — 6 µg/L | 2/6 | SYR4 |
| Chromium | 8.4 µg/L 8.4% of the EPA limit 100 µg/L | 2/6 | SYR4 |
| Gross Alpha, Excl. Radon And U | 8.3 pCi/L 55% of the EPA limit 15 pCi/L | 6/6 | SYR4 |
| Cadmium | 3.4 µg/L 68% of the EPA limit 5 µg/L | 1/6 | SYR4 |
| Bromoform | 3.3 µg/L No EPA limit set | 4/6 | SYR4 |
| Dibromoacetic Acid | 2.7 µg/L No EPA limit set | 4/6 | SYR4 |
| Combined Radium (-226 And -228) | 1.17 pCi/L 23% of the EPA limit 5 pCi/L | 2/6 | SYR4 |
| Thallium, Total | 0.5000 µg/L 25% of the EPA limit 2 µg/L | 2/6 | SYR4 |
| Trichloroethylene | 0.5000 µg/L 10% of the EPA limit 5 µg/L | 1/6 | SYR4 |
| Asbestos | 0.1600 MFL 2.3% of the EPA limit 7 MFL | 1/6 | SYR4 |
| 6:2 Fts | 0.0550 µg/L No EPA limit set | 1/6 | UCMR-5 |
| Pfpea | 0.0140 µg/L No EPA limit set | 2/6 | UCMR-5 |
| Lead | 0.0082 mg/L 55% of the EPA limit 0.0150 mg/L | 6/6 | LCR |
| Pfhxa | 0.0081 µg/L No EPA limit set | 2/6 | UCMR-5 |
| PFOS | 0.0067 µg/L No EPA limit set | 1/6 | UCMR-5 |
| PFOA | 0.0048 µg/L No EPA limit set | 1/6 | UCMR-5 |
| PFBS | 0.0043 µg/L No EPA limit set | 1/6 | UCMR-5 |
Water suppliers serving Park City
| Supplier | Population served |
|---|---|
| PARK CITY WATER SYSTEM | 8,875 |
| MOUNTAIN REGIONAL WATER SSD | 8,245 |
| GORGOZA MUTUAL WATER CO | 4,305 |
| HIGH VALLEY WATER CO | 850 |
| SUMMIT COUNTY SERVICE AREA #3 | 600 |
| WANSHIP WATER CO. LLC | 79 |
Frequently asked questions about Park City tap water
Is Park City tap water safe to drink?
EPA testing detected 35 contaminants in the water serving Park City. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Park City?
6 public water suppliers report drinking-water monitoring for Park City, Utah to the EPA. Each is listed above with its population served.
What contaminants are in Park City's water?
The contaminants EPA monitoring detected in Park City include Nitrate, Nitrate-Nitrite, Copper, Fluoride, Barium. The full list, with the highest level found and the data source, is in the table above.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.