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 | 2022-11-01 → 2022-11-30 |
| MON | Monitoring | Resolved | 2022-11-01 → 2022-11-30 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2022-01-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 2021-01-01 → 2021-03-31 |
| MR | Monitoring | Resolved | 1993-07-01 → 2003-12-31 |
| Other | Monitoring | Archived | 1984-08-01 → 1984-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0017 mg/L 11% of the EPA limit 0.0150 mg/L | 25/25 | LCR | 2023 |
| Nitrate | 1600 µg/L 16% of the EPA limit 10000 µg/L | 14/28 | SYR4 | 2013–2019 |
| Fluoride | 1840 µg/L 46% of the EPA limit 4000 µg/L
worst single sample: 1900 µg/L | 4/4 | SYR4 | 2014–2017 |
| Arsenic | 2.875 µg/L 29% of the EPA limit 10 µg/L
worst single sample: 2.9 µg/L | 2/4 | SYR4 | 2014–2017 |
| Barium | 31.6 µg/L 1.6% of the EPA limit 2000 µg/L
worst single sample: 32 µg/L | 2/4 | SYR4 | 2014–2017 |
| Bromodichloromethane | 15.5 µg/L No EPA limit set
worst single sample: 16 µg/L | 2/2 | SYR4 | 2019 |
| Bromoform | 26.755 µg/L No EPA limit set
worst single sample: 28 µg/L | 2/2 | SYR4 | 2019 |
| Chloroform | 13.365 µg/L No EPA limit set
worst single sample: 14 µg/L | 2/2 | SYR4 | 2019 |
| Dibromoacetic Acid | 5.88 µg/L No EPA limit set
worst single sample: 6 µg/L | 2/2 | SYR4 | 2019 |
| Dibromochloromethane | 18.8 µg/L No EPA limit set
worst single sample: 19 µg/L | 2/2 | SYR4 | 2019 |
| TTHM | 54.65 µg/L 68% of the EPA limit 80 µg/L
worst single sample: 55 µg/L | 2/2 | SYR4 | 2019 |
| Total Haloacetic Acids (HAA5) | 9.8 µg/L 16% of the EPA limit 60 µg/L
worst single sample: 10 µg/L | 2/2 | SYR4 | 2019 |
| Chromium | 1.2 µg/L 1.2% of the EPA limit 100 µg/L | 1/4 | SYR4 | 2014–2017 |
| Combined Uranium | 11.3389 µg/L 38% of the EPA limit 30 µg/L | 1/1 | SYR4 | 2019 |
| Dichloroacetic Acid | 3.7 µg/L No EPA limit set | 1/2 | SYR4 | 2019 |
| Trichloroacetic Acid | 3.1 µg/L No EPA limit set | 1/2 | SYR4 | 2019 |
34 contaminants tested, none detected
Utility contact
Frequently asked questions about Blythe - Mesa Ranch
Is Blythe - Mesa Ranch tap water safe to drink?
EPA monitoring detected 16 contaminants in Blythe - Mesa Ranch'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 Blythe - Mesa Ranch's water?
EPA monitoring detected Lead, Nitrate, Fluoride, Arsenic, Barium, and others. The full list with the level and data source for each is above.
How many people does Blythe - Mesa Ranch serve?
Blythe - Mesa Ranch reports serving 558 people in California, per its EPA record.
Has Blythe - Mesa Ranch had any water quality violations?
The EPA has 16 violations on file for Blythe - Mesa Ranch, 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.