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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Resolved | 2025-07-01 |
| Other | Monitoring | Resolved | 2025-07-01 |
| MR | Monitoring | Unaddressed | 2025-01-01 |
| MR | Monitoring | Unaddressed | 2025-01-01 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
| MR | Monitoring | Resolved | 2024-09-01 → 2024-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 32.575 µg/L 41% of the EPA limit 80 µg/L
worst single sample: 37.8 µg/L | 106/106 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 39 µg/L 65% of the EPA limit 60 µg/L
worst single sample: 51.2 µg/L | 106/106 | SYR4 | 2012–2019 |
| Chlorite | 495 µg/L 50% of the EPA limit 1000 µg/L
worst single sample: 620 µg/L | 96/96 | SYR4 | 2012–2019 |
| Bromodichloromethane | 6.78 µg/L No EPA limit set
worst single sample: 7.8 µg/L | 57/57 | SYR4 | 2012–2019 |
| Chloroform | 24.2 µg/L No EPA limit set
worst single sample: 29 µg/L | 57/57 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.35 µg/L No EPA limit set
worst single sample: 26 µg/L | 54/54 | SYR4 | 2015–2019 |
| Trichloroacetic Acid | 15.35 µg/L No EPA limit set
worst single sample: 18 µg/L | 54/54 | SYR4 | 2015–2019 |
| Dibromochloromethane | 1.435 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 34/57 | SYR4 | 2012–2019 |
| Lead | 0.0029 mg/L 19% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2025 |
| Monochloroacetic Acid | 3.42 µg/L No EPA limit set
worst single sample: 3.5 µg/L | 5/54 | SYR4 | 2015–2019 |
| Lithium | 29.1 µg/L No EPA limit set | 4/4 | UCMR-5 | 2025 |
| Barium | 95 µg/L 4.8% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2012 |
| Combined Uranium | 0.1900 µg/L 0.6% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2014 |
| Gross Alpha, Excl. Radon And U | 2.8 pCi/L 19% of the EPA limit 15 pCi/L | 1/1 | SYR4 | 2014 |
95 contaminants tested, none detected
Utility contact
Frequently asked questions about Montezuma Wc
Is Montezuma Wc tap water safe to drink?
EPA monitoring detected 14 contaminants in Montezuma Wc'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 Montezuma Wc's water?
EPA monitoring detected TTHM, Total Haloacetic Acids (HAA5), Chlorite, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Montezuma Wc serve?
Montezuma Wc reports serving 13,797 people in Colorado, per its EPA record.
Has Montezuma Wc had any water quality violations?
The EPA has 41 violations on file for Montezuma Wc, of which 0 are health-based (a contaminant limit or required treatment was breached) and 2 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.