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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2018-01-01 → 2018-03-31 |
| MR | Monitoring | Resolved | 2018-01-01 → 2018-03-31 |
| MR | Monitoring | Resolved | 2018-01-01 → 2018-03-31 |
| MR | Monitoring | Resolved | 2018-01-01 → 2018-03-31 |
| MR | Monitoring | Resolved | 2008-10-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-10-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-10-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2008-10-01 → 2008-12-31 |
| MR | Monitoring | Resolved | 2006-12-31 → 2009-12-31 |
| MR | Monitoring | Resolved | 2006-12-31 → 2009-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Arsenic | 16.84 µg/L 168% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 46 µg/L | 1677/3486 | SYR4 | 2012–2019 |
| Fluoride | 490 µg/L 12% of the EPA limit 4000 µg/L
worst single sample: 752 µg/L | 537/586 | SYR4 | 2012–2019 |
| Combined Uranium | 6.02705 µg/L 20% of the EPA limit 30 µg/L
worst single sample: 6.7199 µg/L | 52/61 | SYR4 | 2012–2019 |
| Nitrate | 703 µg/L 7% of the EPA limit 10000 µg/L
worst single sample: 730 µg/L | 30/1164 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 14.925 pCi/L No EPA limit set
worst single sample: 20.2 pCi/L | 28/29 | SYR4 | 2019 |
| TTHM | 7.9 µg/L 9.9% of the EPA limit 80 µg/L
worst single sample: 9.8 µg/L | 22/47 | SYR4 | 2012–2019 |
| Selenium | 11.1 µg/L 22% of the EPA limit 50 µg/L
worst single sample: 12 µg/L | 19/157 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.845 µg/L No EPA limit set
worst single sample: 3.3 µg/L | 14/47 | SYR4 | 2012–2019 |
| Bromoform | 2.64 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 13/47 | SYR4 | 2012–2019 |
| Copper | 3.56 µg/L 0.3% of the EPA limit 1300 µg/L
worst single sample: 3.6 µg/L | 9/586 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 430000 µg/L 4300% of the EPA limit, at the 95th percentile of samples — 10000 µg/L | 8/365 | SYR4 | 2012–2018 |
| Dichloromethane | 9.82 µg/L 196% of the EPA limit, at the 95th percentile of samples — 5 µg/L
worst single sample: 10 µg/L | 7/210 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.22 µg/L No EPA limit set
worst single sample: 2.4 µg/L | 5/47 | SYR4 | 2012–2019 |
| Barium | 98.09 µg/L 4.9% of the EPA limit 2000 µg/L
worst single sample: 103 µg/L | 2/156 | SYR4 | 2012–2019 |
| Chloroform | 3.875 µg/L No EPA limit set
worst single sample: 4 µg/L | 2/47 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.4 µg/L No EPA limit set | 2/31 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 2.92 µg/L 4.9% of the EPA limit 60 µg/L
worst single sample: 3 µg/L | 2/29 | SYR4 | 2012–2019 |
| Antimony, Total | 9.53 µg/L 159% of the EPA limit, at the 95th percentile of samples — 6 µg/L | 1/156 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 3 µg/L No EPA limit set | 1/31 | SYR4 | 2012–2019 |
| Toluene | 2.7 µg/L 0.3% of the EPA limit 1000 µg/L | 1/355 | SYR4 | 2013–2019 |
| Xylenes, Total | 1.1 µg/L 0% of the EPA limit 10000 µg/L | 1/351 | SYR4 | 2013–2019 |
60 contaminants tested, none detected
Utility contact
Frequently asked questions about Smwd - Sj Ground Water Plant
Is Smwd - Sj Ground Water Plant tap water safe to drink?
EPA monitoring detected 21 contaminants in Smwd - Sj Ground Water Plant'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 Smwd - Sj Ground Water Plant's water?
EPA monitoring detected Arsenic, Fluoride, Combined Uranium, Nitrate, Gross Beta Particle Activity, and others. The full list with the level and data source for each is above.
How many people does Smwd - Sj Ground Water Plant serve?
Smwd - Sj Ground Water Plant reports serving 0 people in California, per its EPA record.
Has Smwd - Sj Ground Water Plant had any water quality violations?
The EPA has 14 violations on file for Smwd - Sj Ground Water Plant, of which 0 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.