CONGRESSIONAL DISTRICT CA

California - 13th District

119th Congress · 58 ZIP codes · Avg score 81/100 · Grade B · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 58 ZIP codes in California's 13th District: the measured model 4.0.0 average is Grade B (81/100). 173 EPA violations on record, 124 health-based.

B
District Grade
81
Avg Safety Score
58
ZIP Codes
173
Total Violations
124
Health Violations
56
Water Systems
Best ZIP: 95324 (100/100)
Lowest ZIP: 93242 (54/100)

Top Contaminants

Stage 2 DBP Rule (49) Lead (49) Barium (33) Haloacetic Acids (HAA5) (23) Stage 1 DBP Rule (7)

ZIP Codes in This District

58 ZIP codes tracked in California's 13th District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 95324 Hilmar 100 A 14 (14 health)
2 93620 Dos Palos 99 A 13 (12 health)
3 93665 South Dos Palos 99 A 13 (12 health)
4 93635 Los Banos 96 A 2 (1 health)
5 95322 Gustine 96 A 2 (1 health)
6 95334 Livingston 96 A 3 (1 health)
7 95328 Keyes 92 A 0
8 95363 Patterson 92 A 0
9 95380 Turlock 90 A 15 (14 health)
10 95360 Newman 87 A 4 (2 health)
11 95388 Winton 87 A 10 (3 health)
12 93637 Madera 83 B 1
13 93638 Madera 83 B 0
14 95330 Lathrop 83 B 1
15 95348 Merced 83 B 0
16 95340 Merced 79 B 2 (1 health)
17 95341 Merced 79 B 2 (1 health)
18 95365 Planada 79 B 2 (1 health)
19 93210 Coalinga 75 B 0
20 93630 Kerman 75 B 1
21 95301 Atwater 75 B 5 (2 health)
22 95358 Modesto 75 B 0
23 93622 Firebaugh 73 B 2
24 93640 Mendota 73 B 2
25 93660 San Joaquin 71 B 7 (5 health)
26 95307 Ceres 71 B 2 (1 health)
27 93610 Chowchilla 67 C 0
28 95351 Modesto 67 C 4 (2 health)
29 93706 Fresno 55 C 5 (5 health)
30 93242 Laton 54 D 3 (1 health)
31 93234 Huron N/A N/A N/A
32 93606 Biola N/A N/A N/A
33 93607 Burrel N/A N/A N/A
34 93608 Cantua Creek N/A N/A 7 (5 health)
35 93609 Caruthers N/A N/A 5 (5 health)
36 93624 Five Points N/A N/A N/A
37 93627 Helm N/A N/A 7 (5 health)
38 93639 Madera N/A N/A N/A
39 93652 Raisin City N/A N/A N/A
40 93656 Riverdale N/A N/A 0
41 93661 Santa Rita Park N/A N/A N/A
42 93668 Tranquillity N/A N/A 7 (5 health)
43 95303 Ballico N/A N/A N/A
44 95312 Cressey N/A N/A N/A
45 95313 Crows Landing N/A N/A N/A
46 95315 Delhi N/A N/A 15 (14 health)
47 95317 El Nido N/A N/A N/A
48 95319 Empire N/A N/A 0
49 95333 Le Grand N/A N/A 11 (9 health)
50 95343 Merced N/A N/A N/A

Overview

California's 13th District encompasses 58 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (81/100).

173 EPA violations have been recorded across this district's water systems. 124 are health-based violations. About 71% of the 42 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Stage 2 DBP Rule - 49 violations
  • Lead - 49 violations
  • Barium - 33 violations
  • Haloacetic Acids (HAA5) - 23 violations
  • Stage 1 DBP Rule - 7 violations

Housing Context

Homes in this district were built on average around 1981 (~45 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 58 ZIP codes in California's 13th District.

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How to cite this page

APA ZipCheckup. (2026). California 13th District: 173 EPA Violations - B. https://zipcheckup.com/congressional/ca-13/
BibTeX
@misc{zipcheckup-congressional-ca-13,
  author = {{ZipCheckup}},
  title  = {{California 13th District: 173 EPA Violations - B}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/ca-13/}
}

Page version: August 2026.

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