Oregon — 3rd District
119th Congress · 22 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
22 ZIP codes tracked in Oregon's 3rd District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 97017 | Colton | 99 | A | 0 |
| 2 | 97028 | Government Camp | 97 | A | 4 |
| 3 | 97009 | Boring | 94 | A | 7 (1 health) |
| 4 | 97086 | Happy Valley | 92 | A | 9 (3 health) |
| 5 | 97042 | Mulino | 89 | A | 43 (1 health) |
| 6 | 97049 | Rhododendron | 89 | A | 2 (1 health) |
| 7 | 97089 | Damascus | 89 | A | 2 |
| 8 | 97023 | Estacada | 88 | A | 11 (4 health) |
| 9 | 97011 | Brightwood | 87 | A | 6 |
| 10 | 97070 | Wilsonville | 86 | A | 7 |
| 11 | 97035 | Lake Oswego | 85 | A | 10 |
| 12 | 97015 | Clackamas | 83 | B | 11 |
| 13 | 97013 | Canby | 81 | B | 12 |
| 14 | 97034 | Lake Oswego | 80 | B | 10 |
| 15 | 97067 | Welches | 78 | B | 12 |
| 16 | 97068 | West Linn | 73 | B | 18 |
| 17 | 97045 | Oregon City | 70 | B | 55 (6 health) |
| 18 | 97004 | Beavercreek | 66 | C | 0 |
| 19 | 97036 | Marylhurst | 66 | C | 0 |
| 20 | 97055 | Sandy | 66 | C | 35 (4 health) |
| 21 | 97027 | Gladstone | 65 | C | 22 (10 health) |
| 22 | 97022 | Eagle Creek | 60 | C | 13 |
Overview
Oregon's 3rd District serving an estimated 388,657 residents encompasses 22 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (81/100).
289 EPA violations have been recorded across this district's water systems. 30 are health-based violations. About 86% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Stage 1 DBP Rule — 83 violations
- Surface Water Treatment Rule — 71 violations
- Consumer Confidence Report Rule — 50 violations
- Total Trihalomethanes (TTHM) — 32 violations
- Lead and Copper Rule — 13 violations
Housing Context
Homes in this district were built on average around 1985 (~41 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 22 ZIP codes in Oregon's 3rd District.