CONGRESSIONAL DISTRICT CA

California - 45th District

119th Congress · 36 ZIP codes · Avg score 74/100 · Grade B · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 36 ZIP codes in California's 45th District: the measured model 4.0.0 average is Grade B (74/100). 32 EPA violations on record, 0 health-based.

B
District Grade
74
Avg Safety Score
36
ZIP Codes
32
Total Violations
26
Water Systems
Best ZIP: 92821 (92/100)
Lowest ZIP: 90703 (56/100)

Top Contaminants

Consumer Confidence Report Rule (18) Total Trihalomethanes (TTHM) (6) Stage 1 DBP Rule (6) Revised Total Coliform Rule (2)

ZIP Codes in This District

36 ZIP codes tracked in California's 45th District.

# ZIP Code City Safety Score Grade Violations
1 92821 Brea 92 A 0
2 90623 La Palma 89 A 2
3 90621 Buena Park 75 B 0
4 90720 Los Alamitos 75 B 0
5 92655 Midway City 75 B 1
6 92683 Westminster 75 B 1
7 92708 Fountain Valley 75 B 1
8 92835 Fullerton 75 B 0
9 92841 Garden Grove 75 B 0
10 92843 Garden Grove 75 B 1
11 92844 Garden Grove 75 B 0
12 92845 Garden Grove 75 B 0
13 90620 Buena Park 74 B 3
14 90630 Cypress 74 B 3
15 92831 Fullerton 74 B 3
16 92840 Garden Grove 74 B 3
17 92870 Placentia 74 B 3
18 92833 Fullerton 73 B 7
19 90716 Hawaiian Gardens 58 C 0
20 90701 Artesia 56 C 2
21 90703 Cerritos 56 C 2
22 90622 Buena Park N/A N/A N/A
23 90624 Buena Park N/A N/A N/A
24 90702 Artesia N/A N/A N/A
25 90721 Los Alamitos N/A N/A N/A
26 92684 Westminster N/A N/A N/A
27 92685 Westminster N/A N/A N/A
28 92728 Fountain Valley N/A N/A N/A
29 92811 Atwood N/A N/A N/A
30 92822 Brea N/A N/A N/A
31 92834 Fullerton N/A N/A N/A
32 92836 Fullerton N/A N/A N/A
33 92838 Fullerton N/A N/A N/A
34 92842 Garden Grove N/A N/A N/A
35 92846 Garden Grove N/A N/A N/A
36 92871 Placentia N/A N/A N/A

Overview

California's 45th District encompasses 36 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (74/100).

32 EPA violations have been recorded across this district's water systems. The measured health breakdown reports no health-based violations. About 62% of the 21 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Consumer Confidence Report Rule - 18 violations
  • Total Trihalomethanes (TTHM) - 6 violations
  • Stage 1 DBP Rule - 6 violations
  • Revised Total Coliform Rule - 2 violations

Housing Context

Homes in this district were built on average around 1968 (~58 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.

Data Sources

Updated daily. Data covers 36 ZIP codes in California's 45th District.

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How to cite this page

APA ZipCheckup. (2026). California 45th District: 32 EPA Violations - B. https://zipcheckup.com/congressional/ca-45/
BibTeX
@misc{zipcheckup-congressional-ca-45,
  author = {{ZipCheckup}},
  title  = {{California 45th District: 32 EPA Violations - B}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/ca-45/}
}

Page version: August 2026.

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