CONGRESSIONAL DISTRICT AZ

Arizona - 4th District

Name: Home Safety Profile for Arizona - 4th District
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

119th Congress · 31 ZIP codes · Avg score 63/100 · Grade C · Updated N/A

Data: EPA SDWIS / Census 119th Congress Last verified: N/A

ZipCheckup's versioned Home Safety Profile covers 31 ZIP codes in Arizona's 4th District: the measured model 4.0.0 average is Grade C (63/100). 628 EPA violations on record, 3 health-based.

District Grade

Avg Safety Score

ZIP Codes

628

Total Violations

Health Violations

Water Systems

Phoenix

Best ZIP: 85044 (74/100)

Mesa

Lowest ZIP: 85206 (42/100)

Top Contaminants

Contaminant 1011 (24) PFOA (21) PFNA (21) Monochloroacetic Acid (21) Dichloroacetic Acid (21)

ZIP Codes in This District

31 ZIP codes tracked in Arizona's 4th District.

#	ZIP Code	City	Safety Score	Grade	Violations
1	85044	Phoenix	74	B	3 (1 health)
2	85045	Phoenix	74	B	3 (1 health)
3	85048	Phoenix	74	B	3 (1 health)
4	85201	Mesa	66	C	26
5	85202	Mesa	66	C	26
6	85203	Mesa	66	C	26
7	85204	Mesa	66	C	26
8	85205	Mesa	66	C	26
9	85207	Mesa	66	C	26
10	85210	Mesa	66	C	26
11	85213	Mesa	66	C	26
12	85215	Mesa	66	C	26
13	85224	Chandler	58	C	77
14	85226	Chandler	58	C	77
15	85282	Tempe	58	C	0
16	85283	Tempe	58	C	0
17	85284	Tempe	58	C	0
18	85281	Tempe	48	D	31
19	85206	Mesa	42	D	200
20	85055	Phoenix	N/A	N/A	N/A
21	85214	Mesa	N/A	N/A	N/A
22	85216	Mesa	N/A	N/A	N/A
23	85244	Chandler	N/A	N/A	N/A
24	85246	Chandler	N/A	N/A	N/A
25	85274	Mesa	N/A	N/A	N/A
26	85275	Mesa	N/A	N/A	N/A
27	85277	Mesa	N/A	N/A	N/A
28	85280	Tempe	N/A	N/A	N/A
29	85285	Tempe	N/A	N/A	N/A
30	85287	Tempe	N/A	N/A	N/A
31	85289	Tempe	N/A	N/A	N/A

Overview

Arizona's 4th District encompasses 31 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (63/100).

628 EPA violations have been recorded across this district's water systems. 3 are health-based violations. About 84% of the 19 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

Contaminant 1011 - 24 violations
PFOA - 21 violations
PFNA - 21 violations
Monochloroacetic Acid - 21 violations
Dichloroacetic Acid - 21 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

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 31 ZIP codes in Arizona's 4th District.

← Back to Arizona overview

How to cite this page

APA ZipCheckup. (2026). Arizona 4th District: 628 EPA Violations - C. https://zipcheckup.com/congressional/az-4/

BibTeX

@misc{zipcheckup-congressional-az-4,
  author = {{ZipCheckup}},
  title  = {{Arizona 4th District: 628 EPA Violations - C}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/az-4/}
}

Page version: August 2026.