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 | 2004-02-01 → 2004-02-29 |
| MCL | Health-based | Resolved | 2004-02-01 → 2004-02-29 |
| MCL | Health-based | Resolved | 2004-02-01 → 2004-02-29 |
| MR | Monitoring | Resolved | 2002-07-01 → 2002-07-31 |
| MR | Monitoring | Resolved | 2002-07-01 → 2002-07-31 |
| MR | Monitoring | Resolved | 1993-07-01 → 2000-04-04 |
| MR | Monitoring | Archived | 1981-10-01 → 1982-09-30 |
| MR | Monitoring | Archived | 1980-10-30 → 1981-10-29 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 452 µg/L 4.5% of the EPA limit 10000 µg/L | 20/26 | SYR4 | 2012–2019 |
| Arsenic | 2 µg/L 20% of the EPA limit 10 µg/L | 6/6 | SYR4 | 2012–2019 |
| Barium | 44 µg/L 2.2% of the EPA limit 2000 µg/L | 5/6 | SYR4 | 2012–2019 |
| Chromium | 11 µg/L 11% of the EPA limit 100 µg/L | 5/6 | SYR4 | 2012–2019 |
| Fluoride | 200 µg/L 5% of the EPA limit 4000 µg/L | 5/6 | SYR4 | 2012–2019 |
| Lead | 0.0012 mg/L 8% of the EPA limit 0.0150 mg/L | 5/5 | LCR | 2025 |
| Nitrate-Nitrite | 600000 µg/L 6000% of the EPA limit, in the worst sample — 10000 µg/L | 5/5 | SYR4 | 2013–2019 |
| Combined Uranium | 1.341 µg/L 4.5% of the EPA limit 30 µg/L | 3/3 | SYR4 | 2018 |
| Nitrite | 300 µg/L 30% of the EPA limit 1000 µg/L | 3/6 | SYR4 | 2012–2019 |
| TTHM | 1 µg/L 1.3% of the EPA limit 80 µg/L | 2/5 | SYR4 | 2012–2018 |
| Bromoform | 1 µg/L No EPA limit set | 1/5 | SYR4 | 2012–2018 |
| Copper | 7 µg/L 0.5% of the EPA limit 1300 µg/L | 1/6 | SYR4 | 2012–2019 |
54 contaminants tested, none detected
Utility contact
Frequently asked questions about Psmcsd - Moss Landing Harbor Ws
Is Psmcsd - Moss Landing Harbor Ws tap water safe to drink?
EPA monitoring detected 12 contaminants in Psmcsd - Moss Landing Harbor 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 - Moss Landing Harbor Ws's water?
EPA monitoring detected Nitrate, Arsenic, Barium, Chromium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Psmcsd - Moss Landing Harbor Ws serve?
Psmcsd - Moss Landing Harbor Ws reports serving 520 people in California, per its EPA record.
Has Psmcsd - Moss Landing Harbor Ws had any water quality violations?
The EPA has 8 violations on file for Psmcsd - Moss Landing Harbor Ws, of which 3 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.