CONGRESSIONAL DISTRICT CA

California - 2nd District

119th Congress · 156 ZIP codes · Avg score 98/100 · Grade A

Data: EPA SDWIS / Census 119th Congress

ZipCheckup's versioned Home Safety Profile covers 156 ZIP codes in California's 2nd District: the model 4.0.0 average is Grade A (98/100). 81 EPA violations on record, 15 health-based.

A
District Grade
98
Avg Safety Score
156
ZIP Codes
81
Total Violations
15
Health Violations
62
Water Systems
Best ZIP: 94901 (100/100)
Lowest ZIP: 95482 (78/100)

Top Contaminants

Stage 2 DBP Rule (34) Consumer Confidence Report Rule (14) Stage 1 DBP Rule (12) Total Trihalomethanes (TTHM) (5) Haloacetic Acids (HAA5) (5)

ZIP Codes in This District

100 ZIP codes from California's 2nd District are listed below. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 94901 San Rafael 100 A 0
2 94903 San Rafael 100 A 0
3 94904 Greenbrae 100 A 0
4 94920 Belvedere Tiburon 100 A 0
5 94924 Bolinas 100 A 1
6 94925 Corte Madera 100 A 0
7 94930 Fairfax 100 A 0
8 94933 Forest Knolls 100 A 0
9 94937 Inverness 100 A 0
10 94938 Lagunitas 100 A 0
11 94939 Larkspur 100 A 0
12 94941 Mill Valley 100 A 0
13 94945 Novato 100 A 0
14 94946 Nicasio 100 A 0
15 94947 Novato 100 A 0
16 94949 Novato 100 A 0
17 94957 Ross 100 A 0
18 94960 San Anselmo 100 A 0
19 94963 San Geronimo 100 A 0
20 94964 San Quentin 100 A 0
21 94965 Sausalito 100 A 0
22 94973 Woodacre 100 A 0
23 95403 Santa Rosa 100 A 1
24 95436 Forestville 100 A 2
25 95446 Guerneville 100 A 2
26 95470 Redwood Valley 100 A 0
27 95492 Windsor 100 A 1
28 95501 Eureka 100 A 0
29 95503 Eureka 100 A 0
30 95524 Bayside 100 A 0
31 95537 Fields Landing 100 A 0
32 95540 Fortuna 100 A 0
33 95562 Rio Dell 100 A 0
34 95589 Whitethorn 100 A 0
35 94952 Petaluma 99 A 2
36 94954 Petaluma 99 A 2
37 95425 Cloverdale 99 A 1
38 95441 Geyserville 99 A 1
39 95448 Healdsburg 99 A 5
40 95521 Arcata 99 A 1
41 95525 Blue Lake 99 A 1
42 95519 Mckinleyville 98 A 2
43 95490 Willits 97 A 5
44 95437 Fort Bragg 96 A 2 (1 health)
45 95472 Sebastopol 96 A 4 (1 health)
46 95497 The Sea Ranch 95 A 4 (1 health)
47 95546 Hoopa 95 A 3 (1 health)
48 95531 Crescent City 91 A 7 (2 health)
49 96093 Weaverville 83 B 1 (1 health)
50 95482 Ukiah 78 B 5 (1 health)

Overview

California's 2nd District encompasses 156 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is A (98/100).

81 EPA violations have been recorded across this district's water systems. 15 are health-based violations. About 38% of the 90 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 - 34 violations
  • Consumer Confidence Report Rule - 14 violations
  • Stage 1 DBP Rule - 12 violations
  • Total Trihalomethanes (TTHM) - 5 violations
  • Haloacetic Acids (HAA5) - 5 violations

Housing Context

Homes in this district were built on average around 1969 (~57 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 156 ZIP codes in California's 2nd District.

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How to cite this page

APA ZipCheckup. (2026). California 2nd District: 81 Recorded Water-System Violations - Model Grade A. https://zipcheckup.com/congressional/ca-2/
BibTeX
@misc{zipcheckup-congressional-ca-2,
  author = {{ZipCheckup}},
  title  = {{California 2nd District: 81 Recorded Water-System Violations - Model Grade A}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/ca-2/}
}

Page version: October 2026.

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