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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2018-07-01 → 2018-07-31 |
| MON | Monitoring | Resolved | 2018-07-01 → 2018-07-31 |
| MON | Monitoring | Resolved | 2017-01-01 → 2017-01-31 |
| MON | Monitoring | Resolved | 2017-01-01 → 2017-01-31 |
| MR | Monitoring | Resolved | 2010-06-01 → 2010-06-30 |
| MR | Monitoring | Resolved | 2010-06-01 → 2010-06-30 |
| MR | Monitoring | Resolved | 1997-12-01 → 1997-12-31 |
| MR | Monitoring | Resolved | 1997-12-01 → 1997-12-31 |
| MR | Monitoring | Resolved | 1996-11-01 → 1996-11-30 |
| MR | Monitoring | Resolved | 1996-11-01 → 1996-11-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 12/12 | LCR | 2024 |
| Bromodichloromethane | 13.55 µg/L No EPA limit set
worst single sample: 14 µg/L | 2/2 | SYR4 | 2016–2019 |
| Chloroform | 14.85 µg/L No EPA limit set
worst single sample: 15 µg/L | 2/2 | SYR4 | 2016–2019 |
| Dibromochloromethane | 20.05 µg/L No EPA limit set
worst single sample: 21 µg/L | 2/2 | SYR4 | 2016–2019 |
| Dichloroacetic Acid | 12.795 µg/L No EPA limit set
worst single sample: 13 µg/L | 2/2 | SYR4 | 2016–2019 |
| TTHM | 60.95 µg/L 76% of the EPA limit 80 µg/L
worst single sample: 63 µg/L | 2/2 | SYR4 | 2016–2019 |
| Total Haloacetic Acids (HAA5) | 23.8 µg/L 40% of the EPA limit 60 µg/L
worst single sample: 24 µg/L | 2/2 | SYR4 | 2016–2019 |
| Trichloroacetic Acid | 6.975 µg/L No EPA limit set
worst single sample: 7 µg/L | 2/2 | SYR4 | 2016–2019 |
| Bromoform | 16 µg/L No EPA limit set | 1/2 | SYR4 | 2016–2019 |
| Dibromoacetic Acid | 8.9 µg/L No EPA limit set | 1/2 | SYR4 | 2016–2019 |
2 contaminants tested, none detected
Utility contact
Frequently asked questions about Vista Grande Water Users Association
Is Vista Grande Water Users Association tap water safe to drink?
EPA monitoring detected 10 contaminants in Vista Grande Water Users Association'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 Vista Grande Water Users Association's water?
EPA monitoring detected Lead, Bromodichloromethane, Chloroform, Dibromochloromethane, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Vista Grande Water Users Association serve?
Vista Grande Water Users Association reports serving 79 people in California, per its EPA record.
Has Vista Grande Water Users Association had any water quality violations?
The EPA has 23 violations on file for Vista Grande Water Users Association, 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.