CONGRESSIONAL DISTRICT WA

Washington — 6th District

Name: Water Quality Data for Washington — 6th District
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

119th Congress · 113 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03

Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03

District Grade

Avg Safety Score

113

ZIP Codes

973

Total Violations

Health Violations

111

Water Systems

Beaver

Best ZIP: 98305 (99/100)

Westport

Lowest ZIP: 98595 (56/100)

Top Contaminants

Lead (733) Consumer Confidence Report Rule (64) Total Trihalomethanes (TTHM) (52) Haloacetic Acids (HAA5) (51) Surface Water Treatment Rule (38)

ZIP Codes in This District

100 ZIP codes tracked in Washington's 6th District. Showing top 50 by safety score.

#	ZIP Code	City	Safety Score	Grade	Violations
1	98305	Beaver	99	A	1
2	98315	Silverdale	99	A	0
3	98353	Manchester	99	A	0
4	98566	Neilton	99	A	1
5	98314	Bremerton	98	A	2
6	98324	Carlsborg	98	A	2
7	98337	Bremerton	98	A	2
8	98343	Joyce	98	A	2
9	98325	Chimacum	96	A	3
10	98383	Silverdale	95	A	0
11	98546	Grapeview	95	A	0
12	98548	Hoodsport	95	A	1
13	98555	Lilliwaup	95	A	0
14	98557	Mccleary	95	A	1
15	98575	Quinault	95	A	0
16	98083	Kirkland	94	A	3
17	98311	Bremerton	94	A	2
18	98583	Satsop	94	A	3
19	98376	Quilcene	93	A	4
20	98381	Sekiu	93	A	2
21	98331	Forks	90	A	1
22	98535	Copalis Beach	90	A	0
23	98588	Tahuya	90	A	0
24	98592	Union	90	A	0
25	98033	Kirkland	89	A	3
26	98034	Kirkland	89	A	3
27	98310	Bremerton	89	A	2
28	98312	Bremerton	89	A	2
29	98366	Port Orchard	89	A	2
30	98367	Port Orchard	89	A	2
31	98368	Port Townsend	89	A	2
32	98528	Belfair	89	A	2
33	98370	Poulsbo	88	A	2
34	98382	Sequim	88	A	5
35	98365	Port Ludlow	87	A	6
36	98110	Bainbridge Island	85	A	0
37	98568	Oakville	85	A	0
38	98584	Shelton	85	A	0
39	98401	Tacoma	83	B	21
40	98411	Tacoma	83	B	21
41	98412	Tacoma	83	B	21
42	98413	Tacoma	83	B	21
43	98415	Tacoma	83	B	21
44	98416	Tacoma	83	B	21
45	98417	Tacoma	83	B	21
46	98419	Tacoma	83	B	21
47	98431	Tacoma	83	B	21
48	98433	Tacoma	83	B	21
49	98442	Tacoma	83	B	21
50	98447	Tacoma	83	B	21

Overview

Washington's 6th District serving an estimated 25,988,245 residents encompasses 113 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (81/100).

973 EPA violations have been recorded across this district's water systems. 8 are health-based violations. About 63% of tracked ZIP codes have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

Lead — 733 violations
Consumer Confidence Report Rule — 64 violations
Total Trihalomethanes (TTHM) — 52 violations
Haloacetic Acids (HAA5) — 51 violations
Surface Water Treatment Rule — 38 violations

Housing Context

Homes in this district were built on average around 1975 (~51 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 113 ZIP codes in Washington's 6th District.

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