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 | 2007-01-01 → 2007-01-31 |
| MCL | Health-based | Resolved | 2007-01-01 → 2007-01-31 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2004-09-01 → 2004-09-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| MCL | Health-based | Resolved | 2003-11-01 → 2003-11-30 |
| Other | Monitoring | Resolved | 2011-07-01 |
| Other | Monitoring | Resolved | 2011-07-01 |
| MR | Monitoring | Resolved | 2007-07-01 → 2007-09-30 |
| MR | Monitoring | Resolved | 2007-07-01 → 2007-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 7910 µg/L 79% of the EPA limit 10000 µg/L | 82/82 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2021 |
| TTHM | 42 µg/L 53% of the EPA limit 80 µg/L | 9/13 | SYR4 | 2013–2019 |
| Bromoform | 12 µg/L No EPA limit set | 8/13 | SYR4 | 2013–2019 |
| Dibromochloromethane | 13 µg/L No EPA limit set | 5/13 | SYR4 | 2013–2019 |
| Fluoride | 800 µg/L 20% of the EPA limit 4000 µg/L | 5/5 | SYR4 | 2013–2019 |
| Bromodichloromethane | 9 µg/L No EPA limit set | 4/13 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 21 µg/L 35% of the EPA limit 60 µg/L | 4/13 | SYR4 | 2013–2019 |
| Chloroform | 27 µg/L No EPA limit set | 3/13 | SYR4 | 2013–2019 |
| Chromium | 13 µg/L 13% of the EPA limit 100 µg/L | 3/5 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 2.7 µg/L No EPA limit set | 3/13 | SYR4 | 2013–2019 |
| Barium | 29 µg/L 1.5% of the EPA limit 2000 µg/L | 2/5 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 2.8 µg/L No EPA limit set | 2/13 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 14 µg/L No EPA limit set | 2/13 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 5 µg/L No EPA limit set | 2/13 | SYR4 | 2013–2019 |
| Copper | 62 µg/L 4.8% of the EPA limit 1300 µg/L | 1/5 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 4.6 µg/L No EPA limit set | 1/13 | SYR4 | 2013–2019 |
33 contaminants tested, none detected
Utility contact
Frequently asked questions about Rancho Calimesa Mobile Home Park
Is Rancho Calimesa Mobile Home Park tap water safe to drink?
EPA monitoring detected 17 contaminants in Rancho Calimesa Mobile Home Park'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 Rancho Calimesa Mobile Home Park's water?
EPA monitoring detected Nitrate, Lead, TTHM, Bromoform, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Rancho Calimesa Mobile Home Park serve?
Rancho Calimesa Mobile Home Park reports serving 296 people in California, per its EPA record.
Has Rancho Calimesa Mobile Home Park had any water quality violations?
The EPA has 34 violations on file for Rancho Calimesa Mobile Home Park, of which 6 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.