CONGRESSIONAL DISTRICT WA

Washington - 9th District

Name: Home Safety Profile for Washington - 9th District
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

119th Congress · 30 ZIP codes · Avg score 97/100 · Grade A

Data: EPA SDWIS / Census 119th Congress

ZipCheckup's versioned Home Safety Profile covers 30 ZIP codes in Washington's 9th District: the model 4.0.0 average is Grade A (97/100). 38 EPA violations on record, 2 health-based.

District Grade

Avg Safety Score

ZIP Codes

Total Violations

Health Violations

Water Systems

Auburn

Best ZIP: 98002 (100/100)

Auburn

Lowest ZIP: 98001 (82/100)

Top Contaminants

Surface Water Treatment Rule (16) Lead (9) Consumer Confidence Report Rule (5) Total Trihalomethanes (TTHM) (4) Haloacetic Acids (HAA5) (4)

ZIP Codes in This District

30 ZIP codes from Washington's 9th District are listed below.

#	ZIP Code	City	Safety Score	Grade	Violations
1	98002	Auburn	100	A	2
2	98005	Bellevue	100	A	0
3	98040	Mercer Island	100	A	0
4	98055	Renton	100	A	0
5	98056	Renton	100	A	0
6	98057	Renton	100	A	1
7	98104	Seattle	100	A	0
8	98118	Seattle	100	A	0
9	98122	Seattle	100	A	0
10	98144	Seattle	100	A	0
11	98158	Seattle	100	A	0
12	98178	Seattle	100	A	0
13	98030	Kent	99	A	6
14	98032	Kent	99	A	2
15	98047	Pacific	99	A	2
16	98188	Seattle	99	A	3 (1 health)
17	98198	Seattle	99	A	3 (1 health)
18	98006	Bellevue	98	A	5
19	98031	Kent	98	A	6
20	98003	Federal Way	83	B	1
21	98023	Federal Way	83	B	1
22	98001	Auburn	82	B	6
23	98035	Kent	N/A	N/A	N/A
24	98063	Federal Way	N/A	N/A	N/A
25	98064	Kent	N/A	N/A	N/A
26	98071	Auburn	N/A	N/A	N/A
27	98089	Kent	N/A	N/A	N/A
28	98132	Seattle	N/A	N/A	N/A
29	98189	Seattle	N/A	N/A	N/A
30	98194	Seattle	N/A	N/A	N/A

Overview

Washington's 9th District encompasses 30 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is A (97/100).

38 EPA violations have been recorded across this district's water systems. 2 are health-based violations. About 55% of the 22 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

Surface Water Treatment Rule - 16 violations
Lead - 9 violations
Consumer Confidence Report Rule - 5 violations
Total Trihalomethanes (TTHM) - 4 violations
Haloacetic Acids (HAA5) - 4 violations

Housing Context

Homes in this district were built on average around 1980 (~46 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Data Sources

Home Safety Score model 4.0.0: methodology and source contracts
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 30 ZIP codes in Washington's 9th District.

← Back to Washington overview

How to cite this page

APA

ZipCheckup. (2026). Washington 9th District: 38 Recorded Water-System Violations - Model Grade A. https://zipcheckup.com/congressional/wa-9/

BibTeX

@misc{zipcheckup-congressional-wa-9,
  author = {{ZipCheckup}},
  title  = {{Washington 9th District: 38 Recorded Water-System Violations - Model Grade A}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/wa-9/}
}

Page version: October 2026.