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 | 2005-05-01 → 2005-05-31 |
| MCL | Health-based | Resolved | 2005-05-01 → 2005-05-31 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-04-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-04-30 |
| MCL | Health-based | Resolved | 2005-04-01 → 2005-04-30 |
| MCL | Health-based | Resolved | 2005-03-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-03-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-03-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2005-03-01 → 2005-03-31 |
| MCL | Health-based | Resolved | 2001-08-01 → 2001-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 2300 µg/L 23% of the EPA limit 10000 µg/L | 12/34 | SYR4 | 2012–2019 |
| Lead | 0.0043 mg/L 29% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2025 |
| Arsenic | 2.7 µg/L 27% of the EPA limit 10 µg/L
worst single sample: 3 µg/L | 5/5 | SYR4 | 2014–2019 |
| Barium | 38.55 µg/L 1.9% of the EPA limit 2000 µg/L
worst single sample: 39 µg/L | 4/4 | SYR4 | 2014–2016 |
| Fluoride | 544 µg/L 14% of the EPA limit 4000 µg/L
worst single sample: 550 µg/L | 4/4 | SYR4 | 2014–2016 |
| Lead | 1.988 µg/L 13% of the EPA limit 15 µg/L
worst single sample: 2.1 µg/L | 3/4 | SYR4 | 2014–2016 |
| Nitrate-Nitrite | 2102 µg/L 21% of the EPA limit 10000 µg/L
worst single sample: 2300 µg/L | 3/6 | SYR4 | 2014–2019 |
| Cadmium | 1.7 µg/L 34% of the EPA limit 5 µg/L | 1/4 | SYR4 | 2014–2016 |
| Selenium | 5.5 µg/L 11% of the EPA limit 50 µg/L | 1/4 | SYR4 | 2014–2016 |
45 contaminants tested, none detected
Utility contact
Frequently asked questions about Woodside Wa
Is Woodside Wa tap water safe to drink?
EPA monitoring detected 9 contaminants in Woodside Wa'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 Woodside Wa's water?
EPA monitoring detected Nitrate, Lead, Arsenic, Barium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Woodside Wa serve?
Woodside Wa reports serving 73 people in California, per its EPA record.
Has Woodside Wa had any water quality violations?
The EPA has 30 violations on file for Woodside Wa, of which 14 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.