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 | 2005-06-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-06-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-01-31 |
| MCL | Health-based | Resolved | 2005-01-01 → 2005-01-31 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 2024-10-01 |
| MR | Monitoring | Resolved | 1993-07-01 → 2000-03-01 |
| MR | Monitoring | Resolved | 1993-07-01 → 2000-03-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1700 µg/L 17% of the EPA limit 10000 µg/L | 68/72 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2027 |
| Fluoride | 510 µg/L 13% of the EPA limit 4000 µg/L | 8/8 | SYR4 | 2014–2017 |
| Arsenic | 8.7 µg/L 87% of the EPA limit 10 µg/L | 6/8 | SYR4 | 2014–2017 |
| Chromium | 14 µg/L 14% of the EPA limit 100 µg/L | 6/8 | SYR4 | 2014–2017 |
| Dibromochloromethane | 1.6 µg/L No EPA limit set | 6/12 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 630000 µg/L 6300% of the EPA limit, in the worst sample — 10000 µg/L | 6/6 | SYR4 | 2014–2017 |
| TTHM | 4.9 µg/L 6.1% of the EPA limit 80 µg/L | 6/12 | SYR4 | 2014–2019 |
| Bromoform | 1.4 µg/L No EPA limit set | 4/12 | SYR4 | 2014–2019 |
| Bromodichloromethane | 1.3 µg/L No EPA limit set | 1/12 | SYR4 | 2014–2019 |
| Chloroform | 1 µg/L No EPA limit set | 1/12 | SYR4 | 2014–2019 |
| Combined Uranium | 4.023 µg/L 13% of the EPA limit 30 µg/L | 1/4 | SYR4 | 2017 |
75 contaminants tested, none detected
Utility contact
Frequently asked questions about Averydale Mwc
Is Averydale Mwc tap water safe to drink?
EPA monitoring detected 12 contaminants in Averydale Mwc'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 Averydale Mwc's water?
EPA monitoring detected Nitrate, Lead, Fluoride, Arsenic, Chromium, and others. The full list with the level and data source for each is above.
How many people does Averydale Mwc serve?
Averydale Mwc reports serving 1,023 people in California, per its EPA record.
Has Averydale Mwc had any water quality violations?
The EPA has 8 violations on file for Averydale Mwc, of which 4 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.