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 | 1994-09-01 → 1994-09-30 |
| MCL | Health-based | Resolved | 1994-09-01 → 1994-09-30 |
| MCL | Health-based | Resolved | 1994-07-01 → 1994-07-31 |
| MCL | Health-based | Resolved | 1994-07-01 → 1994-07-31 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MR | Monitoring | Resolved | 2021-10-01 → 2021-12-31 |
| MR | Monitoring | Resolved | 2021-10-01 → 2021-12-31 |
| MR | Monitoring | Resolved | 2021-08-17 |
| MR | Monitoring | Resolved | 2021-08-17 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5900 µg/L 59% of the EPA limit 10000 µg/L
worst single sample: 6400 µg/L | 284/288 | SYR4 | 2012–2019 |
| TTHM | 19.265 µg/L 24% of the EPA limit 80 µg/L
worst single sample: 33 µg/L | 90/93 | SYR4 | 2014–2019 |
| Dibromochloromethane | 7.56 µg/L No EPA limit set
worst single sample: 14.1 µg/L | 89/100 | SYR4 | 2014–2019 |
| Bromoform | 8.555 µg/L No EPA limit set
worst single sample: 10.9 µg/L | 84/100 | SYR4 | 2014–2019 |
| Bromodichloromethane | 4.2 µg/L No EPA limit set
worst single sample: 6.3 µg/L | 81/100 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 3.52 µg/L No EPA limit set
worst single sample: 5 µg/L | 73/88 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 3.52 µg/L 5.9% of the EPA limit 60 µg/L
worst single sample: 5 µg/L | 73/88 | SYR4 | 2014–2019 |
| Chloroform | 4.72 µg/L No EPA limit set
worst single sample: 11.3 µg/L | 62/92 | SYR4 | 2014–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 39/39 | LCR | 2025 |
| Fluoride | 334 µg/L 8.4% of the EPA limit 4000 µg/L
worst single sample: 380 µg/L | 25/25 | SYR4 | 2013–2019 |
| Tetrachloroethylene | 3.115 µg/L 62% of the EPA limit 5 µg/L
worst single sample: 3.2 µg/L | 18/122 | SYR4 | 2012–2019 |
| Combined Uranium | 7.56175 µg/L 25% of the EPA limit 30 µg/L
worst single sample: 8.642 µg/L | 6/16 | SYR4 | 2012–2019 |
| Arsenic | 6.64 µg/L 66% of the EPA limit 10 µg/L
worst single sample: 6.9 µg/L | 3/25 | SYR4 | 2013–2019 |
| Barium | 219 µg/L 11% of the EPA limit 2000 µg/L
worst single sample: 220 µg/L | 3/25 | SYR4 | 2013–2019 |
| Heptachlor | 0.0120 µg/L 3% of the EPA limit 0.4000 µg/L | 1/49 | SYR4 | 2012–2019 |
| Lead | 5.8 µg/L 39% of the EPA limit 15 µg/L | 1/25 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 1000000 µg/L 10000% of the EPA limit, at the 95th percentile of samples — 10000 µg/L | 1/1 | SYR4 | 2013 |
| Trichloroethylene | 0.5000 µg/L 10% of the EPA limit 5 µg/L | 1/122 | SYR4 | 2012–2019 |
84 contaminants tested, none detected
Utility contact
Frequently asked questions about Pico Rivera - City, Water Dept.
Is Pico Rivera - City, Water Dept. tap water safe to drink?
EPA monitoring detected 27 contaminants in Pico Rivera - City, Water Dept.'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 Pico Rivera - City, Water Dept.'s water?
EPA monitoring detected Nitrate, TTHM, Dibromochloromethane, Bromoform, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Pico Rivera - City, Water Dept. serve?
Pico Rivera - City, Water Dept. reports serving 40,600 people in California, per its EPA record.
Has Pico Rivera - City, Water Dept. had any water quality violations?
The EPA has 14 violations on file for Pico Rivera - City, Water Dept., 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.