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 | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
| MCL | Health-based | Archived | 2025-04-01 → 2025-06-30 |
| TT | Health-based | Unaddressed | 2024-10-17 |
| MCL | Health-based | Archived | 2024-10-01 → 2024-12-31 |
| MCL | Health-based | Archived | 2019-04-01 → 2019-06-30 |
| MCL | Health-based | Archived | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Archived | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Archived | 2018-07-01 → 2018-09-30 |
| MCL | Health-based | Archived | 2018-04-01 → 2018-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Arsenic | 25 µg/L 250% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 27 µg/L | 57/57 | SYR4 | 2012–2019 |
| Nitrate | 5265 µg/L 53% of the EPA limit 10000 µg/L
worst single sample: 5400 µg/L | 30/34 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Barium | 94.25 µg/L 4.7% of the EPA limit 2000 µg/L
worst single sample: 95 µg/L | 4/4 | SYR4 | 2014–2017 |
| Fluoride | 334 µg/L 8.4% of the EPA limit 4000 µg/L
worst single sample: 340 µg/L | 4/4 | SYR4 | 2014–2017 |
| Bromoform | 10.78 µg/L No EPA limit set
worst single sample: 11 µg/L | 2/3 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 2.095 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Selenium | 14.68 µg/L 29% of the EPA limit 50 µg/L
worst single sample: 15 µg/L | 2/4 | SYR4 | 2014–2017 |
| TTHM | 12.685 µg/L 16% of the EPA limit 80 µg/L
worst single sample: 13 µg/L | 2/3 | SYR4 | 2014–2017 |
| Total Haloacetic Acids (HAA5) | 2.095 µg/L 3.5% of the EPA limit 60 µg/L
worst single sample: 2.1 µg/L | 2/2 | SYR4 | 2014–2017 |
| Copper | 2.4 µg/L 0.2% of the EPA limit 1300 µg/L | 1/4 | SYR4 | 2014–2017 |
| Dibromochloromethane | 1.7 µg/L No EPA limit set | 1/4 | SYR4 | 2013–2017 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about El Adobe Poa, Inc.
Is El Adobe Poa, Inc. tap water safe to drink?
EPA monitoring detected 12 contaminants in El Adobe Poa, Inc.'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 El Adobe Poa, Inc.'s water?
EPA monitoring detected Arsenic, Nitrate, Lead, Barium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does El Adobe Poa, Inc. serve?
El Adobe Poa, Inc. reports serving 200 people in California, per its EPA record.
Has El Adobe Poa, Inc. had any water quality violations?
The EPA has 112 violations on file for El Adobe Poa, Inc., of which 93 are health-based (a contaminant limit or required treatment was breached) and 2 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.