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 | 2016-04-01 → 2016-06-30 |
| MCL | Health-based | Resolved | 2016-04-01 → 2016-06-30 |
| MCL | Health-based | Resolved | 2016-01-01 → 2016-03-31 |
| MCL | Health-based | Resolved | 2016-01-01 → 2016-03-31 |
| MCL | Health-based | Resolved | 2015-10-01 → 2015-12-31 |
| MCL | Health-based | Resolved | 2015-10-01 → 2015-12-31 |
| MCL | Health-based | Resolved | 2015-07-01 → 2015-09-30 |
| MCL | Health-based | Resolved | 2015-07-01 → 2015-09-30 |
| MCL | Health-based | Resolved | 2015-04-01 → 2015-06-30 |
| MCL | Health-based | Resolved | 2015-04-01 → 2015-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 35.8 µg/L No EPA limit set
worst single sample: 54 µg/L | 25/25 | SYR4 | 2013–2019 |
| TTHM | 142 µg/L 178% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 190 µg/L | 25/25 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 34.4 µg/L 57% of the EPA limit 60 µg/L
worst single sample: 47 µg/L | 25/25 | SYR4 | 2013–2019 |
| Chloroform | 13.85 µg/L No EPA limit set
worst single sample: 22 µg/L | 24/25 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 26.4 µg/L No EPA limit set
worst single sample: 28 µg/L | 24/25 | SYR4 | 2013–2019 |
| Dibromochloromethane | 62.2 µg/L No EPA limit set
worst single sample: 81 µg/L | 24/25 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 10.685 µg/L No EPA limit set
worst single sample: 17 µg/L | 24/25 | SYR4 | 2013–2019 |
| Bromoform | 46.1 µg/L No EPA limit set
worst single sample: 48 µg/L | 20/25 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 7.66 µg/L No EPA limit set
worst single sample: 9.1 µg/L | 19/25 | SYR4 | 2013–2019 |
| Nitrate | 1808 µg/L 18% of the EPA limit 10000 µg/L | 16/18 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 2.72 µg/L No EPA limit set
worst single sample: 2.9 µg/L | 13/25 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2023 |
| Arsenic | 2.48 µg/L 25% of the EPA limit 10 µg/L
worst single sample: 2.5 µg/L | 3/8 | SYR4 | 2012–2019 |
| Fluoride | 110 µg/L 2.8% of the EPA limit 4000 µg/L | 3/8 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 976 µg/L 9.8% of the EPA limit 10000 µg/L
worst single sample: 1000 µg/L | 3/3 | SYR4 | 2017–2019 |
| Monochloroacetic Acid | 2.5 µg/L No EPA limit set | 1/25 | SYR4 | 2013–2019 |
38 contaminants tested, none detected
Utility contact
Frequently asked questions about Britz/Colusa
Is Britz/Colusa tap water safe to drink?
EPA monitoring detected 16 contaminants in Britz/Colusa'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 Britz/Colusa's water?
EPA monitoring detected Bromodichloromethane, TTHM, Total Haloacetic Acids (HAA5), Chloroform, Dibromoacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Britz/Colusa serve?
Britz/Colusa reports serving 85 people in California, per its EPA record.
Has Britz/Colusa had any water quality violations?
The EPA has 62 violations on file for Britz/Colusa, of which 33 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.