Oregon — 4th District
119th Congress · 99 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 99 ZIP codes in Oregon's 4th District: the district earns a grade B (83/100). 821 EPA violations on record, 61 health-based.
Top Contaminants
ZIP Codes in This District
99 ZIP codes tracked in Oregon's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 97447 | Idleyld Park | 99 | A | 0 |
| 2 | 97331 | Corvallis | 98 | A | 6 (1 health) |
| 3 | 97339 | Corvallis | 98 | A | 6 (1 health) |
| 4 | 97475 | Springfield | 98 | A | 6 (1 health) |
| 5 | 97369 | Otter Rock | 95 | A | 7 (3 health) |
| 6 | 97391 | Toledo | 95 | A | 0 |
| 7 | 97449 | Lakeside | 95 | A | 1 |
| 8 | 97466 | Powers | 95 | A | 1 |
| 9 | 97341 | Depoe Bay | 94 | A | 3 |
| 10 | 97368 | Otis | 94 | A | 27 (1 health) |
| 11 | 97372 | Lincoln City | 94 | A | 5 |
| 12 | 97376 | Seal Rock | 94 | A | 2 |
| 13 | 97443 | Glide | 94 | A | 2 |
| 14 | 97462 | Oakland | 94 | A | 24 (1 health) |
| 15 | 97477 | Springfield | 94 | A | 6 (1 health) |
| 16 | 97481 | Tenmile | 94 | A | 9 (1 health) |
| 17 | 97487 | Veneta | 94 | A | 3 |
| 18 | 97489 | Walterville | 94 | A | 13 (1 health) |
| 19 | 97499 | Yoncalla | 94 | A | 12 (1 health) |
| 20 | 97401 | Eugene | 93 | A | 1 |
| 21 | 97402 | Eugene | 93 | A | 1 |
| 22 | 97403 | Eugene | 93 | A | 1 |
| 23 | 97404 | Eugene | 93 | A | 1 |
| 24 | 97408 | Eugene | 93 | A | 1 |
| 25 | 97436 | Elkton | 93 | A | 4 |
| 26 | 97440 | Eugene | 93 | A | 1 |
| 27 | 97492 | Westfir | 92 | A | 7 |
| 28 | 97454 | Marcola | 91 | A | 6 |
| 29 | 97465 | Port Orford | 91 | A | 36 (4 health) |
| 30 | 97324 | Alsea | 90 | A | 4 |
| 31 | 97365 | Newport | 90 | A | 13 (2 health) |
| 32 | 97388 | Gleneden Beach | 90 | A | 1 |
| 33 | 97423 | Coquille | 90 | A | 36 (2 health) |
| 34 | 97434 | Dorena | 90 | A | 19 (2 health) |
| 35 | 97439 | Florence | 90 | A | 1 |
| 36 | 97450 | Langlois | 90 | A | 21 (5 health) |
| 37 | 97321 | Albany | 89 | A | 2 |
| 38 | 97330 | Corvallis | 89 | A | 6 (1 health) |
| 39 | 97333 | Corvallis | 89 | A | 6 (1 health) |
| 40 | 97370 | Philomath | 89 | A | 2 |
| 41 | 97448 | Junction City | 89 | A | 21 (1 health) |
| 42 | 97405 | Eugene | 88 | A | 1 |
| 43 | 97413 | Blue River | 88 | A | 5 |
| 44 | 97467 | Reedsport | 88 | A | 15 (4 health) |
| 45 | 97426 | Creswell | 86 | A | 2 |
| 46 | 97459 | North Bend | 86 | A | 21 (1 health) |
| 47 | 97496 | Winston | 85 | A | 1 |
| 48 | 97452 | Lowell | 84 | B | 4 |
| 49 | 97478 | Springfield | 84 | B | 6 (1 health) |
| 50 | 97394 | Waldport | 83 | B | 37 (2 health) |
Overview
Oregon's 4th District encompasses 99 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (83/100).
821 EPA violations have been recorded across this district's water systems. 61 are health-based violations. About 67% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 149 violations
- E. coli - 144 violations
- Surface Water Treatment Rule - 136 violations
- Fecal Coliform - 121 violations
- Stage 1 DBP Rule - 81 violations
Housing Context
Homes in this district were built on average around 1974 (~52 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 99 ZIP codes in Oregon's 4th District.