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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2015-07-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 20.25 µg/L No EPA limit set
worst single sample: 23.5 µg/L | 251/251 | SYR4 | 2012–2019 |
| TTHM | 40.48 µg/L 51% of the EPA limit 80 µg/L
worst single sample: 55.39 µg/L | 249/249 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 43.78 µg/L 73% of the EPA limit 60 µg/L
worst single sample: 51.08 µg/L | 249/249 | SYR4 | 2012–2019 |
| Chloroform | 38.18 µg/L No EPA limit set
worst single sample: 48.7 µg/L | 245/259 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 23.485 µg/L No EPA limit set
worst single sample: 30.8 µg/L | 244/245 | SYR4 | 2012–2019 |
| Bromodichloromethane | 6.1025 µg/L No EPA limit set
worst single sample: 7.36 µg/L | 236/245 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.29 µg/L No EPA limit set
worst single sample: 4.42 µg/L | 71/260 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.25 µg/L No EPA limit set
worst single sample: 7.6 µg/L | 66/246 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.444 µg/L No EPA limit set
worst single sample: 1.58 µg/L | 57/251 | SYR4 | 2012–2019 |
| Bromoform | 1.0164 µg/L No EPA limit set
worst single sample: 1.43 µg/L | 45/261 | SYR4 | 2012–2019 |
| Nitrate | 1710 µg/L 17% of the EPA limit 10000 µg/L
worst single sample: 1900 µg/L | 40/62 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 1710 µg/L 17% of the EPA limit 10000 µg/L
worst single sample: 1900 µg/L | 20/31 | SYR4 | 2012–2019 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2024 |
| Fluoride | 830 µg/L 21% of the EPA limit 4000 µg/L | 5/5 | SYR4 | 2012–2017 |
| Tetrachloroethylene | 1.05 µg/L 21% of the EPA limit 5 µg/L
worst single sample: 1.1 µg/L | 3/12 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 1.575 pCi/L No EPA limit set
worst single sample: 1.6 pCi/L | 2/3 | SYR4 | 2016 |
| Arsenic | 1.8 µg/L 18% of the EPA limit 10 µg/L | 1/5 | SYR4 | 2012–2017 |
| Barium | 5 µg/L 0.3% of the EPA limit 2000 µg/L | 1/5 | SYR4 | 2012–2017 |
| Copper | 34 µg/L 2.6% of the EPA limit 1300 µg/L | 1/5 | SYR4 | 2012–2017 |
| Chromium | 2 µg/L 2% of the EPA limit 100 µg/L | 1/5 | SYR4 | 2012–2017 |
| Lithium | 13 µg/L No EPA limit set | 1/10 | UCMR-5 | 2024 |
67 contaminants tested, none detected
Utility contact
Frequently asked questions about Redmond Water System City of
Is Redmond Water System City of tap water safe to drink?
EPA monitoring detected 23 contaminants in Redmond Water System City of'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 Redmond Water System City of's water?
EPA monitoring detected Dichloroacetic Acid, TTHM, Total Haloacetic Acids (HAA5), Chloroform, Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Redmond Water System City of serve?
Redmond Water System City of reports serving 163,335 people in Washington, per its EPA record.
Has Redmond Water System City of had any water quality violations?
The EPA has 1 violation on file for Redmond Water System City of, 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.