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 |
|---|---|---|---|
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-10-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-07-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-07-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-07-01 → 2007-09-30 |
| MCL | Health-based | Resolved | 2007-04-01 → 2007-06-30 |
| MCL | Health-based | Resolved | 2007-04-01 → 2007-06-30 |
| MCL | Health-based | Resolved | 2007-04-01 → 2007-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 100.6 µg/L 126% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 163.8 µg/L | 57/57 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 78.925 µg/L 132% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 157.35 µg/L | 56/56 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.185 µg/L No EPA limit set
worst single sample: 5.6 µg/L | 44/44 | SYR4 | 2012–2019 |
| Chloroform | 94.44 µg/L No EPA limit set
worst single sample: 158.2 µg/L | 44/44 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 32.3995 µg/L No EPA limit set
worst single sample: 43.59 µg/L | 42/42 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 53.4 µg/L No EPA limit set
worst single sample: 63.59 µg/L | 42/42 | SYR4 | 2014–2019 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L | 29/29 | LCR | 2025 |
| Nitrate | 200 µg/L 2% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Fluoride | 954 µg/L 24% of the EPA limit 4000 µg/L
worst single sample: 1110 µg/L | 9/9 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.442 µg/L No EPA limit set
worst single sample: 2.67 µg/L | 9/42 | SYR4 | 2014–2019 |
| Barium | 145.6 µg/L 7.3% of the EPA limit 2000 µg/L
worst single sample: 210 µg/L | 8/8 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.0995 µg/L No EPA limit set
worst single sample: 1.1 µg/L | 2/42 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 100 µg/L 1% of the EPA limit 10000 µg/L | 2/2 | SYR4 | 2012–2014 |
| Dibromochloromethane | 0.5000 µg/L No EPA limit set | 1/44 | SYR4 | 2012–2019 |
92 contaminants tested, none detected
Utility contact
Frequently asked questions about Idaho Springs City of
Is Idaho Springs City of tap water safe to drink?
EPA monitoring detected 14 contaminants in Idaho Springs City of'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 Idaho Springs City of's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Idaho Springs City of serve?
Idaho Springs City of reports serving 10,432 people in Colorado, per its EPA record.
Has Idaho Springs City of had any water quality violations?
The EPA has 118 violations on file for Idaho Springs City of, of which 89 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.