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 | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Archived | 2025-01-01 → 2025-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2025 |
| Combined Radium (-226 And -228) | 12.3 pCi/L 246% of the EPA limit, in the worst sample — 5 pCi/L | 14/14 | SYR4 | 2012–2019 |
| Gross Alpha, Excl. Radon And U | 16 pCi/L 107% of the EPA limit, in the worst sample — 15 pCi/L | 10/10 | SYR4 | 2012–2019 |
| Fluoride | 1960 µg/L 49% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2016–2018 |
| TTHM | 12.2 µg/L 15% of the EPA limit 80 µg/L | 2/3 | SYR4 | 2012–2017 |
| Total Haloacetic Acids (HAA5) | 3.86 µg/L 6.4% of the EPA limit 60 µg/L | 2/3 | SYR4 | 2012–2017 |
| Lithium | 180 µg/L No EPA limit set | 2/2 | UCMR-5 | 2025 |
| Barium | 12 µg/L 0.6% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2018 |
| Bromodichloromethane | 2.4 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Bromoform | 3.7 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Chloroform | 1.1 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Chromium | 4 µg/L 4% of the EPA limit 100 µg/L | 1/1 | SYR4 | 2018 |
| Dibromoacetic Acid | 2 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Dibromochloromethane | 4.9 µg/L No EPA limit set | 1/1 | SYR4 | 2017 |
| Selenium | 3 µg/L 6% of the EPA limit 50 µg/L | 1/1 | SYR4 | 2018 |
90 contaminants tested, none detected
Utility contact
Frequently asked questions about North Holbrook Wc
Is North Holbrook Wc tap water safe to drink?
EPA monitoring detected 15 contaminants in North Holbrook 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 North Holbrook Wc's water?
EPA monitoring detected Lead, Combined Radium (-226 And -228), Gross Alpha, Excl. Radon And U, Fluoride, TTHM, and others. The full list with the level and data source for each is above.
How many people does North Holbrook Wc serve?
North Holbrook Wc reports serving 58 people in Colorado, per its EPA record.
Has North Holbrook Wc had any water quality violations?
The EPA has 353 violations on file for North Holbrook Wc, of which 265 are health-based (a contaminant limit or required treatment was breached) and 3 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.