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 | 2009-10-01 → 2009-10-31 |
| MR | Monitoring | Resolved | 2009-10-01 → 2009-10-31 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
| MR | Monitoring | Resolved | 2009-07-01 → 2009-07-31 |
| MR | Monitoring | Resolved | 2001-11-01 |
| MR | Monitoring | Resolved | 2001-11-01 |
| MR | Monitoring | Resolved | 1993-07-01 → 2003-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 1300 µg/L 13% of the EPA limit 10000 µg/L
worst single sample: 1500 µg/L | 42/52 | SYR4 | 2012–2019 |
| Combined Uranium | 52.15 µg/L 174% of the EPA limit, at the 95th percentile of samples — 30 µg/L
worst single sample: 128.14 µg/L | 31/67 | SYR4 | 2012–2019 |
| TTHM | 53.48 µg/L 67% of the EPA limit 80 µg/L
worst single sample: 58.7 µg/L | 25/48 | SYR4 | 2014–2019 |
| Dibromochloromethane | 16.855 µg/L No EPA limit set
worst single sample: 20.1 µg/L | 24/48 | SYR4 | 2014–2019 |
| Bromoform | 23.26 µg/L No EPA limit set
worst single sample: 30.4 µg/L | 22/48 | SYR4 | 2014–2019 |
| Bromodichloromethane | 7.03 µg/L No EPA limit set
worst single sample: 13.6 µg/L | 19/48 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 6.86 µg/L No EPA limit set
worst single sample: 7.1 µg/L | 17/48 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 7.14 µg/L 12% of the EPA limit 60 µg/L
worst single sample: 8.1 µg/L | 17/48 | SYR4 | 2014–2019 |
| Chloroform | 8.69 µg/L No EPA limit set
worst single sample: 10.3 µg/L | 15/48 | SYR4 | 2014–2019 |
| Lead | 0.0100 mg/L 67% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2024 |
| Dichloroacetic Acid | 1.2 µg/L No EPA limit set | 4/48 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 594120 µg/L 5941% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 660000 µg/L | 3/3 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 2/48 | SYR4 | 2014–2019 |
| Lithium | 14.1 µg/L No EPA limit set | 2/6 | UCMR-5 | 2024 |
| Fluoride | 160 µg/L 4% of the EPA limit 4000 µg/L | 1/9 | SYR4 | 2014–2017 |
67 contaminants tested, none detected
Utility contact
Frequently asked questions about Arrowhead Villas Mutual Service Company
Is Arrowhead Villas Mutual Service Company tap water safe to drink?
EPA monitoring detected 15 contaminants in Arrowhead Villas Mutual Service Company'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 Arrowhead Villas Mutual Service Company's water?
EPA monitoring detected Nitrate, Combined Uranium, TTHM, Dibromochloromethane, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Arrowhead Villas Mutual Service Company serve?
Arrowhead Villas Mutual Service Company reports serving 2,654 people in California, per its EPA record.
Has Arrowhead Villas Mutual Service Company had any water quality violations?
The EPA has 7 violations on file for Arrowhead Villas Mutual Service Company, 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.