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 |
| MCL | Health-based | Resolved | 2021-04-01 → 2021-06-30 |
| MCL | Health-based | Resolved | 2021-04-01 → 2021-06-30 |
| MCL | Health-based | Resolved | 2021-04-01 → 2021-06-30 |
| MCL | Health-based | Resolved | 2021-04-01 → 2021-06-30 |
| MCL | Health-based | Archived | 2021-01-01 → 2021-03-31 |
| MCL | Health-based | Archived | 2021-01-01 → 2021-03-31 |
| MCL | Health-based | Resolved | 2021-01-01 → 2021-03-31 |
| MCL | Health-based | Resolved | 2021-01-01 → 2021-03-31 |
| MCL | Health-based | Resolved | 2021-01-01 → 2021-03-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Total Haloacetic Acids (HAA5) | 120.4 µg/L 201% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 160 µg/L | 27/27 | SYR4 | 2013–2019 |
| Bromodichloromethane | 77.25 µg/L No EPA limit set
worst single sample: 84 µg/L | 26/27 | SYR4 | 2013–2019 |
| Chloroform | 106.5 µg/L No EPA limit set
worst single sample: 190 µg/L | 26/27 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 31 µg/L No EPA limit set
worst single sample: 33 µg/L | 26/27 | SYR4 | 2013–2019 |
| Dibromochloromethane | 93.75 µg/L No EPA limit set
worst single sample: 130 µg/L | 26/27 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 56.75 µg/L No EPA limit set
worst single sample: 100 µg/L | 26/27 | SYR4 | 2013–2019 |
| TTHM | 247.5 µg/L 309% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 250 µg/L | 26/27 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 46.25 µg/L No EPA limit set
worst single sample: 65 µg/L | 26/27 | SYR4 | 2013–2019 |
| Bromoform | 49.8 µg/L No EPA limit set
worst single sample: 51 µg/L | 23/27 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 3.2 µg/L No EPA limit set
worst single sample: 3.4 µg/L | 21/27 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 13 µg/L No EPA limit set
worst single sample: 22 µg/L | 16/27 | SYR4 | 2013–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 11/11 | LCR | 2025 |
| Nitrate | 678 µg/L 6.8% of the EPA limit 10000 µg/L | 8/18 | SYR4 | 2012–2019 |
| Arsenic | 2.68 µg/L 27% of the EPA limit 10 µg/L
worst single sample: 2.7 µg/L | 2/8 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 7.065 µg/L 141% of the EPA limit, at the 95th percentile of samples — 5 µg/L
worst single sample: 7.3 µg/L | 2/15 | SYR4 | 2014–2019 |
| Lead | 7.1 µg/L 47% of the EPA limit 15 µg/L | 1/8 | SYR4 | 2012–2019 |
38 contaminants tested, none detected
Utility contact
Frequently asked questions about Pappas & Co (Mendota)
Is Pappas & Co (Mendota) tap water safe to drink?
EPA monitoring detected 16 contaminants in Pappas & Co (Mendota)'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 Pappas & Co (Mendota)'s water?
EPA monitoring detected Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, Dibromoacetic Acid, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Pappas & Co (Mendota) serve?
Pappas & Co (Mendota) reports serving 36 people in California, per its EPA record.
Has Pappas & Co (Mendota) had any water quality violations?
The EPA has 310 violations on file for Pappas & Co (Mendota), of which 279 are 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.