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 | 2024-10-01 → 2024-12-31 |
| MCL | Health-based | Archived | 2024-10-01 → 2024-12-31 |
| MCL | Health-based | Archived | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Archived | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Archived | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Archived | 2024-04-01 → 2024-06-30 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Resolved | 2005-10-01 → 2005-10-31 |
| MCL | Health-based | Archived | 2004-08-01 → 2004-08-31 |
| MCL | Health-based | Archived | 2004-08-01 → 2004-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 11752 µg/L 118% of the EPA limit, in the worst sample — 10000 µg/L | 92/92 | SYR4 | 2012–2019 |
| Lead | 0.0089 mg/L 59% of the EPA limit 0.0150 mg/L | 5/5 | LCR | 2024 |
| Arsenic | 7 µg/L 70% of the EPA limit 10 µg/L | 3/4 | SYR4 | 2014–2017 |
| Barium | 87 µg/L 4.4% of the EPA limit 2000 µg/L | 2/2 | SYR4 | 2014 |
| Chromium | 9 µg/L 9% of the EPA limit 100 µg/L | 2/2 | SYR4 | 2014 |
| Fluoride | 300 µg/L 7.5% of the EPA limit 4000 µg/L | 2/2 | SYR4 | 2014 |
| Nitrite | 600 µg/L 60% of the EPA limit 1000 µg/L | 2/4 | SYR4 | 2014–2018 |
| Selenium | 2 µg/L 4% of the EPA limit 50 µg/L | 2/2 | SYR4 | 2014 |
| Bromodichloromethane | 6 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Bromoform | 13 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Copper | 7 µg/L 0.5% of the EPA limit 1300 µg/L | 1/2 | SYR4 | 2014 |
| Chloroform | 2 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Dibromoacetic Acid | 4 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Dibromochloromethane | 11 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Dichloroacetic Acid | 2 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
| Nitrate-Nitrite | 900000 µg/L 9000% of the EPA limit, in the worst sample — 10000 µg/L | 1/1 | SYR4 | 2014 |
| TTHM | 32 µg/L 40% of the EPA limit 80 µg/L | 1/1 | SYR4 | 2018 |
| Total Haloacetic Acids (HAA5) | 8 µg/L 13% of the EPA limit 60 µg/L | 1/1 | SYR4 | 2018 |
| Trichloroacetic Acid | 1 µg/L No EPA limit set | 1/1 | SYR4 | 2018 |
45 contaminants tested, none detected
Utility contact
Frequently asked questions about Psmcsd - Vierra Estates Ws
Is Psmcsd - Vierra Estates Ws tap water safe to drink?
EPA monitoring detected 20 contaminants in Psmcsd - Vierra Estates Ws'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 Psmcsd - Vierra Estates Ws's water?
EPA monitoring detected Nitrate, Lead, Arsenic, Barium, Chromium, and others. The full list with the level and data source for each is above.
How many people does Psmcsd - Vierra Estates Ws serve?
Psmcsd - Vierra Estates Ws reports serving 164 people in California, per its EPA record.
Has Psmcsd - Vierra Estates Ws had any water quality violations?
The EPA has 27 violations on file for Psmcsd - Vierra Estates Ws, of which 21 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.