What was found in Estes Park'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 |
|---|---|---|---|
| Fluoride | 5830 µg/L 146% of the EPA limit, in the worst sample — 4000 µg/L | 4/5 | SYR4 |
| Nitrate | 800 µg/L 8% of the EPA limit 10000 µg/L | 4/5 | SYR4 |
| Nitrate-Nitrite | 800 µg/L 8% of the EPA limit 10000 µg/L | 4/5 | SYR4 |
| Total Haloacetic Acids (HAA5) | 131 µg/L 218% of the EPA limit, in the worst sample — 60 µg/L | 5/5 | SYR4 |
| Gross Alpha, Excl. Radon And U | 100.27 pCi/L 668% of the EPA limit, in the worst sample — 15 pCi/L | 2/5 | SYR4 |
| TTHM | 99.7 µg/L 125% of the EPA limit, in the worst sample — 80 µg/L | 5/5 | SYR4 |
| Chloroform | 96.3 µg/L No EPA limit set | 5/5 | SYR4 |
| Combined Uranium | 91 µg/L 303% of the EPA limit, in the worst sample — 30 µg/L | 2/5 | SYR4 |
| Chromium | 81 µg/L 81% of the EPA limit 100 µg/L | 2/5 | SYR4 |
| Barium | 67 µg/L 3.4% of the EPA limit 2000 µg/L | 3/5 | SYR4 |
| Trichloroacetic Acid | 66.6 µg/L No EPA limit set | 5/5 | SYR4 |
| Dichloroacetic Acid | 57.2 µg/L No EPA limit set | 5/5 | SYR4 |
| Bromodichloromethane | 31.5 µg/L No EPA limit set | 5/5 | SYR4 |
| Dibromochloromethane | 18.6 µg/L No EPA limit set | 2/5 | SYR4 |
| Combined Radium (-226 And -228) | 9.6 pCi/L 192% of the EPA limit, in the worst sample — 5 pCi/L | 3/5 | SYR4 |
| Monochloroacetic Acid | 8.8 µg/L No EPA limit set | 4/5 | SYR4 |
| Bromoform | 2.8 µg/L No EPA limit set | 1/5 | SYR4 |
| Dibromoacetic Acid | 2.8 µg/L No EPA limit set | 2/5 | SYR4 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 2/5 | SYR4 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L | 3/5 | SYR4 |
| Di(2-ethylhexyl) Phthalate | 1.2 µg/L 20% of the EPA limit 6 µg/L | 1/5 | SYR4 |
| Xylenes, Total | 1.1 µg/L 0% of the EPA limit 10000 µg/L | 1/5 | SYR4 |
| Picloram | 0.1300 µg/L 0% of the EPA limit 500 µg/L | 1/5 | SYR4 |
| Monobromoacetic Acid | 0.1200 µg/L No EPA limit set | 1/5 | SYR4 |
| Mercury | 0.1100 µg/L 5.5% of the EPA limit 2 µg/L | 1/5 | SYR4 |
| Hexachlorocyclopentadiene | 0.1000 µg/L 0.2% of the EPA limit 50 µg/L | 2/5 | SYR4 |
| Lead | 0.0150 mg/L 100% of the EPA limit 0.0150 mg/L | 5/5 | LCR |
| Hexachlorobenzene | 0.0098 µg/L 1% of the EPA limit 1 µg/L | 1/5 | SYR4 |
Water suppliers serving Estes Park
| Supplier | Population served |
|---|---|
| ESTES PARK TOWN OF | 16,722 |
| YMCA ROCKIES WIND RIVER | 3,730 |
| RMNP HEADQUARTERS EAST | 900 |
| WINDCLIFF POA | 339 |
| ANNUNCIATION HEIGHTS | 260 |
Frequently asked questions about Estes Park tap water
Is Estes Park tap water safe to drink?
EPA testing detected 28 contaminants in the water serving Estes Park. 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 Estes Park?
5 public water suppliers report drinking-water monitoring for Estes Park, Colorado to the EPA. Each is listed above with its population served.
What contaminants are in Estes Park's water?
The contaminants EPA monitoring detected in Estes Park include Fluoride, Nitrate, Nitrate-Nitrite, Total Haloacetic Acids (HAA5), Gross Alpha, Excl. Radon And U. 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.