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 | 2005-08-01 → 2005-08-31 |
| MCL | Health-based | Resolved | 2005-08-01 → 2005-08-31 |
| MCL | Health-based | Resolved | 2005-08-01 → 2005-08-31 |
| MCL | Health-based | Resolved | 2005-08-01 → 2005-08-31 |
| MCL | Health-based | Resolved | 2005-08-01 → 2005-08-31 |
| MR | Monitoring | Resolved | 1997-06-01 → 1997-06-30 |
| MR | Monitoring | Resolved | 1997-06-01 → 1997-06-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFOA | 0.0048 µg/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 62.1035 µg/L 78% of the EPA limit 80 µg/L
worst single sample: 74.8 µg/L | 124/124 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 49.62 µg/L 83% of the EPA limit 60 µg/L
worst single sample: 69.8 µg/L | 124/124 | SYR4 | 2012–2019 |
| Bromodichloromethane | 5.1 µg/L No EPA limit set
worst single sample: 6 µg/L | 72/72 | SYR4 | 2015–2019 |
| Chloroform | 48.645 µg/L No EPA limit set
worst single sample: 63 µg/L | 72/72 | SYR4 | 2015–2019 |
| Dichloroacetic Acid | 17.635 µg/L No EPA limit set
worst single sample: 20.8 µg/L | 72/72 | SYR4 | 2015–2019 |
| Trichloroacetic Acid | 21.925 µg/L No EPA limit set
worst single sample: 23.6 µg/L | 72/72 | SYR4 | 2015–2019 |
| Monochloroacetic Acid | 3 µg/L No EPA limit set
worst single sample: 4.1 µg/L | 45/72 | SYR4 | 2015–2019 |
| Lead | 0.0090 mg/L 60% of the EPA limit 0.0150 mg/L | 4/4 | LCR | 1996 |
| Dibromochloromethane | 0.6000 µg/L No EPA limit set | 1/72 | SYR4 | 2015–2019 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Little Thompson Wd
Is Little Thompson Wd tap water safe to drink?
EPA monitoring detected 10 contaminants in Little Thompson Wd'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 Little Thompson Wd'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 Little Thompson Wd serve?
Little Thompson Wd reports serving 25,654 people in Colorado, per its EPA record.
Has Little Thompson Wd had any water quality violations?
The EPA has 7 violations on file for Little Thompson Wd, of which 5 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.