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 | Archived | 1993-06-01 → 1993-06-30 |
| MCL | Health-based | Archived | 1992-09-01 → 1992-09-30 |
| MCL | Health-based | Archived | 1992-09-01 → 1992-09-30 |
| MCL | Health-based | Archived | 1992-09-01 → 1992-09-30 |
| MON | Monitoring | Resolved | 2018-07-01 → 2018-07-31 |
| Other | Monitoring | Resolved | 2012-07-01 |
| MR | Monitoring | Resolved | 1997-10-01 → 1998-12-01 |
| MR | Monitoring | Archived | 1997-09-01 → 1997-09-30 |
| MR | Monitoring | Archived | 1992-10-01 → 1992-10-31 |
| MR | Monitoring | Archived | 1992-09-01 → 1992-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0016 mg/L 11% of the EPA limit 0.0150 mg/L | 15/15 | LCR | 2024 |
| Nitrate | 2170 µg/L 22% of the EPA limit 10000 µg/L | 14/14 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2017 µg/L 20% of the EPA limit 10000 µg/L
worst single sample: 2170 µg/L | 7/7 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.34 µg/L No EPA limit set
worst single sample: 4.5 µg/L | 3/4 | SYR4 | 2013–2017 |
| Chloroform | 22.22 µg/L No EPA limit set
worst single sample: 23.2 µg/L | 3/4 | SYR4 | 2013–2017 |
| Dibromochloromethane | 2.02 µg/L No EPA limit set
worst single sample: 2.1 µg/L | 3/4 | SYR4 | 2013–2017 |
| Dichloroacetic Acid | 8.78 µg/L No EPA limit set
worst single sample: 9 µg/L | 3/3 | SYR4 | 2013–2017 |
| TTHM | 28.58 µg/L 36% of the EPA limit 80 µg/L
worst single sample: 29.8 µg/L | 3/3 | SYR4 | 2013–2017 |
| Total Haloacetic Acids (HAA5) | 14.95 µg/L 25% of the EPA limit 60 µg/L
worst single sample: 15.5 µg/L | 3/3 | SYR4 | 2013–2017 |
| Trichloroacetic Acid | 4.81 µg/L No EPA limit set
worst single sample: 4.9 µg/L | 3/3 | SYR4 | 2013–2017 |
| Antimony, Total | 0.1200 µg/L 2% of the EPA limit 6 µg/L | 1/1 | SYR4 | 2014 |
| Arsenic | 1 µg/L 10% of the EPA limit 10 µg/L | 1/1 | SYR4 | 2014 |
| Barium | 39.81 µg/L 2% of the EPA limit 2000 µg/L | 1/1 | SYR4 | 2014 |
| Copper | 22.04 µg/L 1.7% of the EPA limit 1300 µg/L | 1/1 | SYR4 | 2014 |
| Chromium | 2.13 µg/L 2.1% of the EPA limit 100 µg/L | 1/1 | SYR4 | 2014 |
| Fluoride | 70 µg/L 1.8% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2014 |
| Lead | 0.3800 µg/L 2.5% of the EPA limit 15 µg/L | 1/1 | SYR4 | 2014 |
| Monochloroacetic Acid | 1.6 µg/L No EPA limit set | 1/3 | SYR4 | 2013–2017 |
37 contaminants tested, none detected
Utility contact
Frequently asked questions about Chelan Co Pud - Olalla Canyon
Is Chelan Co Pud - Olalla Canyon tap water safe to drink?
EPA monitoring detected 18 contaminants in Chelan Co Pud - Olalla Canyon'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 Chelan Co Pud - Olalla Canyon's water?
EPA monitoring detected Lead, Nitrate, Nitrate-Nitrite, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Chelan Co Pud - Olalla Canyon serve?
Chelan Co Pud - Olalla Canyon reports serving 67 people in Washington, per its EPA record.
Has Chelan Co Pud - Olalla Canyon had any water quality violations?
The EPA has 24 violations on file for Chelan Co Pud - Olalla Canyon, of which 4 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.