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 | 2015-05-01 → 2015-05-31 |
| MCL | Health-based | Resolved | 2015-05-01 → 2015-05-31 |
| MCL | Health-based | Resolved | 2013-10-01 → 2013-10-31 |
| MCL | Health-based | Resolved | 2013-10-01 → 2013-10-31 |
| MCL | Health-based | Resolved | 1994-01-01 → 1994-01-31 |
| MCL | Health-based | Resolved | 1994-01-01 → 1994-01-31 |
| TT | Health-based | Resolved | 1992-09-01 → 1992-09-30 |
| TT | Health-based | Resolved | 1992-09-01 → 1992-09-30 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-12-31 |
| MR | Monitoring | Resolved | 2016-01-01 → 2016-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 8334.1 µg/L 83% of the EPA limit 10000 µg/L
worst single sample: 9100 µg/L | 350/360 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 3.125 µg/L 63% of the EPA limit 5 µg/L
worst single sample: 3.9 µg/L | 36/65 | SYR4 | 2012–2019 |
| Fluoride | 465 µg/L 12% of the EPA limit 4000 µg/L
worst single sample: 530 µg/L | 31/32 | SYR4 | 2012–2019 |
| Arsenic | 11.8 µg/L 118% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 12 µg/L | 25/88 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 24/24 | LCR | 2025 |
| Barium | 120 µg/L 6% of the EPA limit 2000 µg/L | 14/32 | SYR4 | 2012–2019 |
| Combined Uranium | 14.7957 µg/L 49% of the EPA limit 30 µg/L
worst single sample: 17.88 µg/L | 10/12 | SYR4 | 2015–2019 |
| Nitrate-Nitrite | 688000 µg/L 6880% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 800000 µg/L | 9/11 | SYR4 | 2012–2019 |
| Bromodichloromethane | 1.65 µg/L No EPA limit set
worst single sample: 1.7 µg/L | 6/7 | SYR4 | 2012–2019 |
| Bromoform | 2.675 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 6/7 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.175 µg/L No EPA limit set
worst single sample: 3.2 µg/L | 6/7 | SYR4 | 2012–2019 |
| TTHM | 7.45 µg/L 9.3% of the EPA limit 80 µg/L
worst single sample: 7.5 µg/L | 6/7 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.1 µg/L No EPA limit set | 5/6 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 2.1 µg/L 3.5% of the EPA limit 60 µg/L | 5/6 | SYR4 | 2014–2019 |
| Chloroform | 0.8370 µg/L No EPA limit set
worst single sample: 0.8400 µg/L | 4/7 | SYR4 | 2012–2019 |
| Selenium | 2.49 µg/L 5% of the EPA limit 50 µg/L
worst single sample: 2.5 µg/L | 2/32 | SYR4 | 2012–2019 |
| Mercury | 0.2500 µg/L 13% of the EPA limit 2 µg/L | 1/32 | SYR4 | 2012–2019 |
87 contaminants tested, none detected
Utility contact
Frequently asked questions about Golden Hills Csd
Is Golden Hills Csd tap water safe to drink?
EPA monitoring detected 24 contaminants in Golden Hills Csd'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 Golden Hills Csd's water?
EPA monitoring detected Nitrate, Tetrachloroethylene, Fluoride, Arsenic, Lead, and others. The full list with the level and data source for each is above.
How many people does Golden Hills Csd serve?
Golden Hills Csd reports serving 9,857 people in California, per its EPA record.
Has Golden Hills Csd had any water quality violations?
The EPA has 10 violations on file for Golden Hills Csd, of which 8 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.