Washington — 8th District
119th Congress · 72 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-07-17
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-17
ZipCheckup tracks water safety for 72 ZIP codes in Washington's 8th District: the district earns a grade B (82/100). 151 EPA violations on record, 2 health-based.
Top Contaminants
ZIP Codes in This District
72 ZIP codes tracked in Washington's 8th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 98323 | Carbonado | 99 | A | 1 |
| 2 | 98330 | Elbe | 99 | A | 0 |
| 3 | 98352 | Sumner | 99 | A | 1 |
| 4 | 98828 | Malaga | 99 | A | 0 |
| 5 | 98051 | Ravensdale | 98 | A | 2 |
| 6 | 98807 | Wenatchee | 98 | A | 2 |
| 7 | 98010 | Black Diamond | 95 | A | 0 |
| 8 | 98042 | Kent | 95 | A | 1 |
| 9 | 98093 | Federal Way | 95 | A | 3 |
| 10 | 98293 | Startup | 95 | A | 0 |
| 11 | 98338 | Graham | 95 | A | 1 |
| 12 | 98558 | Mckenna | 95 | A | 0 |
| 13 | 98580 | Roy | 95 | A | 0 |
| 14 | 98847 | Peshastin | 95 | A | 0 |
| 15 | 98059 | Renton | 94 | A | 2 |
| 16 | 98077 | Woodinville | 94 | A | 3 |
| 17 | 98053 | Redmond | 93 | A | 2 |
| 18 | 98822 | Entiat | 93 | A | 2 |
| 19 | 98396 | Wilkeson | 92 | A | 4 |
| 20 | 98816 | Chelan | 91 | A | 12 (1 health) |
| 21 | 98022 | Enumclaw | 90 | A | 1 |
| 22 | 98304 | Ashford | 90 | A | 0 |
| 23 | 98328 | Eatonville | 90 | A | 1 |
| 24 | 98385 | South Prairie | 90 | A | 0 |
| 25 | 98029 | Issaquah | 89 | A | 4 |
| 26 | 98801 | Wenatchee | 89 | A | 2 |
| 27 | 98074 | Sammamish | 88 | A | 4 |
| 28 | 98075 | Sammamish | 88 | A | 4 |
| 29 | 98321 | Buckley | 88 | A | 4 |
| 30 | 98831 | Manson | 88 | A | 9 |
| 31 | 98821 | Dryden | 87 | A | 0 |
| 32 | 98815 | Cashmere | 86 | A | 4 |
| 33 | 98024 | Fall City | 85 | A | 0 |
| 34 | 98241 | Darrington | 85 | A | 8 |
| 35 | 98288 | Skykomish | 85 | A | 1 |
| 36 | 98058 | Renton | 84 | B | 2 |
| 37 | 98092 | Auburn | 84 | B | 4 |
| 38 | 98252 | Granite Falls | 83 | B | 1 |
| 39 | 98360 | Orting | 83 | B | 2 |
| 40 | 98943 | South Cle Elum | 83 | B | 0 |
| 41 | 98946 | Thorp | 83 | B | 1 |
| 42 | 98950 | Vantage | 83 | B | 1 |
| 43 | 98014 | Carnation | 82 | B | 6 |
| 44 | 98256 | Index | 82 | B | 4 |
| 45 | 98068 | Snoqualmie Pass | 81 | B | 1 |
| 46 | 98826 | Leavenworth | 81 | B | 5 |
| 47 | 98294 | Sultan | 80 | B | 1 |
| 48 | 98038 | Maple Valley | 78 | B | 4 |
| 49 | 98045 | North Bend | 78 | B | 4 |
| 50 | 98934 | Kittitas | 78 | B | 0 |
Overview
Washington's 8th District encompasses 72 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (82/100).
151 EPA violations have been recorded across this district's water systems. 2 are health-based violations. About 61% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Surface Water Treatment Rule - 43 violations
- Consumer Confidence Report Rule - 42 violations
- Lead - 29 violations
- Stage 1 DBP Rule - 11 violations
- Total Trihalomethanes (TTHM) - 8 violations
Housing Context
Homes in this district were built on average around 1983 (~43 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 72 ZIP codes in Washington's 8th District.