CONGRESSIONAL DISTRICT CA

California - 16th District

119th Congress · 53 ZIP codes · Avg score 53/100 · Grade D · Updated N/A

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

ZipCheckup's versioned Home Safety Profile covers 53 ZIP codes in California's 16th District: the measured model 4.0.0 average is Grade D (53/100). 42 EPA violations on record, 19 health-based.

D
District Grade
53
Avg Safety Score
53
ZIP Codes
42
Total Violations
19
Health Violations
32
Water Systems
Los Gatos
Best ZIP: 95033 (53/100)
Los Gatos
Lowest ZIP: 95033 (53/100)

Top Contaminants

E. coli (11) Stage 2 DBP Rule (10) Consumer Confidence Report Rule (7) Total Trihalomethanes (TTHM) (6) Haloacetic Acids (HAA5) (5)

ZIP Codes in This District

53 ZIP codes tracked in California's 16th District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 95033 Los Gatos 53 D 23 (5 health)
2 94018 El Granada N/A N/A 0
3 94019 Half Moon Bay N/A N/A 0
4 94020 La Honda N/A N/A 0
5 94021 Loma Mar N/A N/A 0
6 94022 Los Altos N/A N/A 0
7 94023 Los Altos N/A N/A N/A
8 94024 Los Altos N/A N/A 0
9 94025 Menlo Park N/A N/A 0
10 94026 Menlo Park N/A N/A N/A
11 94027 Atherton N/A N/A 0
12 94028 Portola Valley N/A N/A 0
13 94035 Mountain View N/A N/A N/A
14 94037 Montara N/A N/A 0
15 94038 Moss Beach N/A N/A 0
16 94039 Mountain View N/A N/A N/A
17 94040 Mountain View N/A N/A 0
18 94041 Mountain View N/A N/A 0
19 94042 Mountain View N/A N/A N/A
20 94043 Mountain View N/A N/A 0
21 94044 Pacifica N/A N/A 0
22 94060 Pescadero N/A N/A 0
23 94062 Redwood City N/A N/A 0
24 94064 Redwood City N/A N/A N/A
25 94074 San Gregorio N/A N/A 0
26 94301 Palo Alto N/A N/A 0
27 94302 Palo Alto N/A N/A N/A
28 94304 Palo Alto N/A N/A 0
29 94305 Stanford N/A N/A 0
30 94306 Palo Alto N/A N/A 0
31 94309 Palo Alto N/A N/A N/A
32 95008 Campbell N/A N/A 1 (1 health)
33 95009 Campbell N/A N/A N/A
34 95011 Campbell N/A N/A N/A
35 95026 Holy City N/A N/A N/A
36 95030 Los Gatos N/A N/A 3 (2 health)
37 95031 Los Gatos N/A N/A N/A
38 95032 Los Gatos N/A N/A 3 (2 health)
39 95044 Redwood Estates N/A N/A N/A
40 95070 Saratoga N/A N/A 3 (1 health)
41 95071 Saratoga N/A N/A N/A
42 95111 San Jose N/A N/A 1 (1 health)
43 95118 San Jose N/A N/A 1 (1 health)
44 95121 San Jose N/A N/A 1 (1 health)
45 95124 San Jose N/A N/A 3 (2 health)
46 95125 San Jose N/A N/A 1 (1 health)
47 95128 San Jose N/A N/A 1 (1 health)
48 95130 San Jose N/A N/A 1 (1 health)
49 95151 San Jose N/A N/A N/A
50 95154 San Jose N/A N/A N/A

Overview

California's 16th District encompasses 53 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (53/100).

42 EPA violations have been recorded across this district's water systems. 19 are health-based violations. About 35% of the 34 ZIP records with a reported violation count have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • E. coli - 11 violations
  • Stage 2 DBP Rule - 10 violations
  • Consumer Confidence Report Rule - 7 violations
  • Total Trihalomethanes (TTHM) - 6 violations
  • Haloacetic Acids (HAA5) - 5 violations

Housing Context

Homes in this district were built on average around 1967 (~59 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 53 ZIP codes in California's 16th District.

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How to cite this page

APA ZipCheckup. (2026). California 16th District: 42 EPA Violations - D. https://zipcheckup.com/congressional/ca-16/
BibTeX 
@misc{zipcheckup-congressional-ca-16,
  author = {{ZipCheckup}},
  title  = {{California 16th District: 42 EPA Violations - D}},
  year   = {2026},
  url    = {https://zipcheckup.com/congressional/ca-16/}
}

Page version: August 2026.

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