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 | 2000-11-01 → 2000-11-30 |
| Other | Monitoring | Unaddressed | 2025-10-01 |
| MR | Monitoring | Unaddressed | 2025-10-01 |
| MON | Monitoring | Resolved | 2025-09-01 → 2025-09-30 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| Other | Monitoring | Unaddressed | 2024-10-01 |
| Other | Monitoring | Unaddressed | 2024-07-01 |
| Other | Monitoring | Unaddressed | 2023-10-01 |
| Other | Monitoring | Unaddressed | 2023-07-01 |
| MR | Monitoring | Archived | 2017-01-01 → 2025-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2022 |
| Nitrate | 1600 µg/L 16% of the EPA limit 10000 µg/L | 12/16 | SYR4 | 2012–2019 |
| Copper | 118 µg/L 9.1% of the EPA limit 1300 µg/L | 6/15 | SYR4 | 2013–2019 |
| Lead | 6 µg/L 40% of the EPA limit 15 µg/L | 5/15 | SYR4 | 2013–2019 |
| Arsenic | 1.3 µg/L 13% of the EPA limit 10 µg/L | 1/1 | SYR4 | 2019 |
| Fluoride | 210 µg/L 5.3% of the EPA limit 4000 µg/L | 1/1 | SYR4 | 2019 |
| Nitrite | 86.7 µg/L 8.7% of the EPA limit 1000 µg/L | 1/1 | SYR4 | 2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Stewarts Addition
Is Stewarts Addition tap water safe to drink?
EPA monitoring detected 7 contaminants in Stewarts Addition'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 Stewarts Addition's water?
EPA monitoring detected Lead, Nitrate, Copper, Lead, Arsenic, and others. The full list with the level and data source for each is above.
How many people does Stewarts Addition serve?
Stewarts Addition reports serving 50 people in Oregon, per its EPA record.
Has Stewarts Addition had any water quality violations?
The EPA has 30 violations on file for Stewarts Addition, of which 1 is health-based (a contaminant limit or required treatment was breached) and 7 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.