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 | 2015-07-01 → 2015-07-31 |
| MCL | Health-based | Resolved | 2015-07-01 → 2015-07-31 |
| MCL | Health-based | Resolved | 2005-06-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2005-06-01 → 2005-06-30 |
| MCL | Health-based | Resolved | 2002-12-01 → 2002-12-31 |
| MCL | Health-based | Resolved | 2002-12-01 → 2002-12-31 |
| MR | Monitoring | Archived | 2024-01-01 → 2024-12-31 |
| MR | Monitoring | Archived | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Archived | 2023-01-01 → 2023-12-31 |
| Other | Monitoring | Addressed | 2022-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 10396 µg/L 104% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 16000 µg/L | 594/608 | SYR4 | 2012–2019 |
| Arsenic | 70 µg/L 700% of the EPA limit, at the 95th percentile of samples — 10 µg/L
worst single sample: 170 µg/L | 21/30 | SYR4 | 2012–2019 |
| Fluoride | 1012.5 µg/L 25% of the EPA limit 4000 µg/L
worst single sample: 1800 µg/L | 16/16 | SYR4 | 2012–2018 |
| Lead | 0.0014 mg/L 9.3% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Barium | 150 µg/L 7.5% of the EPA limit 2000 µg/L | 11/16 | SYR4 | 2012–2018 |
| Bromodichloromethane | 1.71 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 7/14 | SYR4 | 2012–2019 |
| Bromoform | 6.61 µg/L No EPA limit set
worst single sample: 7 µg/L | 7/14 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.28 µg/L No EPA limit set
worst single sample: 4.4 µg/L | 7/14 | SYR4 | 2012–2019 |
| TTHM | 12 µg/L 15% of the EPA limit 80 µg/L | 7/14 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.475 µg/L No EPA limit set
worst single sample: 2.5 µg/L | 6/7 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 2.875 µg/L 4.8% of the EPA limit 60 µg/L
worst single sample: 3 µg/L | 6/7 | SYR4 | 2013–2019 |
| Selenium | 4.6 µg/L 9.2% of the EPA limit 50 µg/L
worst single sample: 4.9 µg/L | 5/16 | SYR4 | 2012–2018 |
| Lithium | 11.4 µg/L No EPA limit set | 3/8 | UCMR-5 | 2024 |
| Nitrite | 123.509 µg/L 12% of the EPA limit 1000 µg/L
worst single sample: 130 µg/L | 2/19 | SYR4 | 2012–2019 |
| Chloroform | 0.5000 µg/L No EPA limit set | 1/12 | SYR4 | 2012–2019 |
| Combined Uranium | 11.324 µg/L 38% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2018 |
| Lead | 1.1 µg/L 7.3% of the EPA limit 15 µg/L | 1/16 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 1400 µg/L 14% of the EPA limit 10000 µg/L | 1/1 | SYR4 | 2019 |
| Trichloroacetic Acid | 1.4 µg/L No EPA limit set | 1/7 | SYR4 | 2013–2019 |
73 contaminants tested, none detected
Utility contact
Frequently asked questions about Stallion Springs Csd
Is Stallion Springs Csd tap water safe to drink?
EPA monitoring detected 19 contaminants in Stallion Springs 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 Stallion Springs Csd's water?
EPA monitoring detected Nitrate, Arsenic, Fluoride, Lead, Barium, and others. The full list with the level and data source for each is above.
How many people does Stallion Springs Csd serve?
Stallion Springs Csd reports serving 4,910 people in California, per its EPA record.
Has Stallion Springs Csd had any water quality violations?
The EPA has 30 violations on file for Stallion Springs Csd, of which 6 are health-based (a contaminant limit or required treatment was breached) and 5 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.