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 |
|---|---|---|---|
| TT | Health-based | Unaddressed | 2024-10-17 |
| RPT | Monitoring | Unaddressed | 2024-10-17 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 5980 µg/L 60% of the EPA limit 10000 µg/L
worst single sample: 6400 µg/L | 24/36 | SYR4 | 2016–2019 |
| Combined Radium (-226 And -228) | 3.72 pCi/L 74% of the EPA limit 5 pCi/L
worst single sample: 3.8 pCi/L | 9/10 | SYR4 | 2016–2018 |
| Combined Uranium | 2.39145 µg/L 8% of the EPA limit 30 µg/L
worst single sample: 2.49575 µg/L | 9/13 | SYR4 | 2016–2018 |
| Arsenic | 5.5 µg/L 55% of the EPA limit 10 µg/L | 6/6 | SYR4 | 2016–2019 |
| Barium | 335 µg/L 17% of the EPA limit 2000 µg/L
worst single sample: 340 µg/L | 6/6 | SYR4 | 2016–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 6/6 | LCR | 2023 |
| Bromoform | 1.78 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 5/9 | SYR4 | 2016–2019 |
| TTHM | 2.9 µg/L 3.6% of the EPA limit 80 µg/L | 5/9 | SYR4 | 2016–2019 |
| Chromium | 4 µg/L 4% of the EPA limit 100 µg/L
worst single sample: 4.3 µg/L | 4/6 | SYR4 | 2016–2019 |
| Dibromochloromethane | 1.2 µg/L No EPA limit set | 4/9 | SYR4 | 2016–2019 |
| Fluoride | 198 µg/L 5% of the EPA limit 4000 µg/L
worst single sample: 200 µg/L | 3/6 | SYR4 | 2016–2019 |
| Selenium | 2.2 µg/L 4.4% of the EPA limit 50 µg/L
worst single sample: 2.3 µg/L | 3/6 | SYR4 | 2016–2019 |
| Bromodichloromethane | 0.5960 µg/L No EPA limit set
worst single sample: 0.6000 µg/L | 2/9 | SYR4 | 2016–2019 |
| Copper | 183.35 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 190 µg/L | 2/6 | SYR4 | 2016–2019 |
| Lead | 6.975 µg/L 47% of the EPA limit 15 µg/L
worst single sample: 7.1 µg/L | 2/6 | SYR4 | 2016–2019 |
| Nitrite | 0.7000 µg/L 0.1% of the EPA limit 1000 µg/L | 1/6 | SYR4 | 2016–2019 |
44 contaminants tested, none detected
Utility contact
Frequently asked questions about Riverstone/Rootcreek Water District
Is Riverstone/Rootcreek Water District tap water safe to drink?
EPA monitoring detected 16 contaminants in Riverstone/Rootcreek Water District'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 Riverstone/Rootcreek Water District's water?
EPA monitoring detected Nitrate, Combined Radium (-226 And -228), Combined Uranium, Arsenic, Barium, and others. The full list with the level and data source for each is above.
How many people does Riverstone/Rootcreek Water District serve?
Riverstone/Rootcreek Water District reports serving 5,507 people in California, per its EPA record.
Has Riverstone/Rootcreek Water District had any water quality violations?
The EPA has 2 violations on file for Riverstone/Rootcreek Water District, of which 1 is health-based (a contaminant limit or required treatment was breached) and 2 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.