Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2017-01-12 |
| TT | Health-based | Resolved | 2017-01-12 |
| TT | Health-based | Resolved | 2017-01-12 |
| TT | Health-based | Resolved | 2017-01-12 |
| MR | Monitoring | Resolved | 2018-01-01 |
| MR | Monitoring | Resolved | 2018-01-01 |
| MR | Monitoring | Resolved | 2018-01-01 |
| MR | Monitoring | Resolved | 2015-07-01 → 2015-07-31 |
| MR | Monitoring | Resolved | 2015-07-01 → 2015-07-31 |
| MR | Monitoring | Resolved | 2015-07-01 → 2015-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 124 µg/L 155% of the EPA limit, in the worst sample — 80 µg/L | 39/39 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 37.5 µg/L 63% of the EPA limit 60 µg/L | 30/32 | SYR4 | 2012–2019 |
| Bromodichloromethane | 30.4 µg/L No EPA limit set | 29/30 | SYR4 | 2012–2019 |
| Chloroform | 86.4 µg/L No EPA limit set | 29/30 | SYR4 | 2012–2019 |
| Dibromochloromethane | 11.4 µg/L No EPA limit set | 29/30 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 18.4 µg/L No EPA limit set | 19/19 | SYR4 | 2015–2019 |
| Trichloroacetic Acid | 18.6 µg/L No EPA limit set | 18/19 | SYR4 | 2015–2019 |
| Lead | 0.0015 mg/L 10% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Nitrate | 270 µg/L 2.7% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 3.1 µg/L No EPA limit set | 7/19 | SYR4 | 2015–2019 |
| Bromoform | 2.3 µg/L No EPA limit set | 5/30 | SYR4 | 2012–2019 |
| Fluoride | 1800 µg/L 45% of the EPA limit 4000 µg/L | 5/5 | SYR4 | 2014–2019 |
| Monochloroacetic Acid | 2.2 µg/L No EPA limit set | 5/19 | SYR4 | 2015–2019 |
| Barium | 53 µg/L 2.7% of the EPA limit 2000 µg/L | 4/4 | SYR4 | 2016–2019 |
| Combined Uranium | 4.4 µg/L 15% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
| Gross Alpha, Excl. Radon And U | 0.0520 pCi/L 0.3% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2019 |
| Hexachlorobenzene | 0.0090 µg/L 0.9% of the EPA limit 1 µg/L | 1/3 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 1.9 µg/L No EPA limit set | 1/19 | SYR4 | 2015–2019 |
| Selenium | 0.4400 µg/L 0.9% of the EPA limit 50 µg/L | 1/4 | SYR4 | 2016–2019 |
55 contaminants tested, none detected
Utility contact
Frequently asked questions about Rock Creek Mesa
Is Rock Creek Mesa tap water safe to drink?
EPA monitoring detected 19 contaminants in Rock Creek Mesa's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Rock Creek Mesa's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Rock Creek Mesa serve?
Rock Creek Mesa reports serving 225 people in Colorado, per its EPA record.
Has Rock Creek Mesa had any water quality violations?
The EPA has 69 violations on file for Rock Creek Mesa, of which 4 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
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.