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 | 2022-10-28 |
| TT | Health-based | Resolved | 2022-10-28 |
| TT | Health-based | Resolved | 2022-10-28 |
| TT | Health-based | Resolved | 2022-10-28 |
| TT | Health-based | Resolved | 2021-04-01 |
| TT | Health-based | Resolved | 2021-04-01 |
| TT | Health-based | Resolved | 2021-04-01 |
| TT | Health-based | Resolved | 2021-04-01 |
| TT | Health-based | Resolved | 2018-12-23 |
| TT | Health-based | Resolved | 2018-12-23 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0015 mg/L 10% of the EPA limit 0.0150 mg/L | 36/36 | LCR | 2025 |
| Nitrate | 1360.5 µg/L 14% of the EPA limit 10000 µg/L
worst single sample: 1400 µg/L | 22/22 | SYR4 | 2012–2019 |
| TTHM | 12.72 µg/L 16% of the EPA limit 80 µg/L
worst single sample: 15 µg/L | 9/13 | SYR4 | 2012–2019 |
| Barium | 5.045 µg/L 0.3% of the EPA limit 2000 µg/L
worst single sample: 5.5 µg/L | 8/11 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 6.81 µg/L 11% of the EPA limit 60 µg/L
worst single sample: 7.3 µg/L | 8/8 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1202.5 µg/L 12% of the EPA limit 10000 µg/L
worst single sample: 1400 µg/L | 6/6 | SYR4 | 2013–2019 |
| Bromodichloromethane | 3.81 µg/L No EPA limit set
worst single sample: 4.1 µg/L | 5/9 | SYR4 | 2012–2019 |
| Chloroform | 8.626 µg/L No EPA limit set
worst single sample: 9.9 µg/L | 5/9 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.07 µg/L No EPA limit set
worst single sample: 1.1 µg/L | 5/9 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 1.285 pCi/L 26% of the EPA limit 5 pCi/L
worst single sample: 1.3 pCi/L | 4/5 | SYR4 | 2014–2019 |
| Combined Uranium | 0.7280 µg/L 2.4% of the EPA limit 30 µg/L
worst single sample: 0.7500 µg/L | 3/6 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 4.34 µg/L No EPA limit set
worst single sample: 4.5 µg/L | 3/3 | SYR4 | 2015–2019 |
| Gross Alpha, Excl. Radon And U | 1.2245 pCi/L 8.2% of the EPA limit 15 pCi/L
worst single sample: 1.3 pCi/L | 3/5 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 2.99 µg/L No EPA limit set
worst single sample: 3 µg/L | 3/3 | SYR4 | 2015–2019 |
| Copper | 285.33 µg/L 22% of the EPA limit 1300 µg/L
worst single sample: 300 µg/L | 2/3 | SYR4 | 2016 |
| Selenium | 0.5630 µg/L 1.1% of the EPA limit 50 µg/L
worst single sample: 0.5700 µg/L | 2/11 | SYR4 | 2012–2019 |
| Chromium | 1.2 µg/L 1.2% of the EPA limit 100 µg/L | 1/11 | SYR4 | 2012–2019 |
| Fluoride | 140 µg/L 3.5% of the EPA limit 4000 µg/L | 1/11 | SYR4 | 2012–2019 |
| Lead | 45 µg/L 300% of the EPA limit, at the 95th percentile of samples — 15 µg/L | 1/3 | SYR4 | 2016 |
60 contaminants tested, none detected
Utility contact
Frequently asked questions about Mad Dog Wc
Is Mad Dog Wc tap water safe to drink?
EPA monitoring detected 19 contaminants in Mad Dog 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 Mad Dog Wc's water?
EPA monitoring detected Lead, Nitrate, TTHM, Barium, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Mad Dog Wc serve?
Mad Dog Wc reports serving 60 people in Colorado, per its EPA record.
Has Mad Dog Wc had any water quality violations?
The EPA has 755 violations on file for Mad Dog Wc, of which 74 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.