CONGRESSIONAL DISTRICT NJ

New Jersey — 11th District

119th Congress · 58 ZIP codes · Avg score 50/100 · Grade D · Updated 2026-06-03

Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03

D
District Grade
50
Avg Safety Score
58
ZIP Codes
472
Total Violations
57
Health Violations
45
Water Systems
Wayne
Best ZIP: 07474 (83/100)
Morristown
Lowest ZIP: 07963 (17/100)

Top Contaminants

Stage 1 DBP Rule (152) Revised Total Coliform Rule (69) Consumer Confidence Report Rule (47) Surface Water Treatment Rule (45) E. coli (42)

ZIP Codes in This District

58 ZIP codes tracked in New Jersey's 11th District. Showing top 50 by safety score.

# ZIP Code City Safety Score Grade Violations
1 07474 Wayne 83 B 1
2 07976 New Vernon 81 B 2
3 07078 Short Hills 77 B 0
4 07068 Roseland 73 B 11
5 07932 Florham Park 69 C 3
6 07009 Cedar Grove 66 C 4 (3 health)
7 07885 Wharton 65 C 0
8 07003 Bloomfield 64 C 11 (4 health)
9 07405 Butler 63 C 23 (7 health)
10 07470 Wayne 63 C 1
11 07927 Cedar Knolls 63 C 5
12 07935 Green Village 63 C 0
13 07079 South Orange 61 C 1
14 07438 Oak Ridge 61 C 7 (1 health)
15 07961 Convent Station 61 C 7
16 07004 Fairfield 59 C 3
17 07005 Boonton 59 C 15 (1 health)
18 07940 Madison 57 C 5
19 07802 Dover 56 C 11
20 07028 Glen Ridge 55 C 0
21 07928 Chatham 55 C 0
22 07039 Livingston 54 D 12
23 07046 Mountain Lakes 53 D 0
24 07082 Towaco 53 D 0
25 07845 Ironia 53 D 0
26 07926 Brookside 53 D 0
27 07006 Caldwell 50 D 0
28 07040 Maplewood 50 D 0
29 07042 Montclair 50 D 0
30 07043 Montclair 50 D 0
31 07936 East Hanover 50 D 0
32 07110 Nutley 49 D 61 (7 health)
33 07457 Riverdale 46 D 20
34 07866 Rockaway 46 D 21
35 07512 Totowa 45 D 0
36 07869 Randolph 45 D 0
37 07950 Morris Plains 45 D 0
38 07041 Millburn 42 D 0
39 07444 Pompton Plains 41 D 20
40 07801 Dover 41 D 11
41 07045 Montville 40 D 34 (9 health)
42 07058 Pine Brook 40 D 0
43 07424 Little Falls 40 D 0
44 07806 Picatinny Arsenal 40 D 0
45 07842 Hibernia 40 D 0
46 07878 Mount Tabor 40 D 0
47 07981 Whippany 40 D 0
48 07999 Whippany 40 D 0
49 07054 Parsippany 38 F 15
50 07035 Lincoln Park 36 F 9 (5 health)

Overview

New Jersey's 11th District serving an estimated 1,613,252 residents encompasses 58 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is D (50/100).

472 EPA violations have been recorded across this district's water systems. 57 are health-based violations. About 53% of tracked ZIP codes have at least one violation.

Top Contaminants

The most frequently cited water quality issues in this district:

  • Stage 1 DBP Rule — 152 violations
  • Revised Total Coliform Rule — 69 violations
  • Consumer Confidence Report Rule — 47 violations
  • Surface Water Treatment Rule — 45 violations
  • E. coli — 42 violations

Housing Context

Homes in this district were built on average around 1955 (~71 years old). Older homes may have lead pipes or solder — consider a water filter if your home predates 1986.

Lead Alert: 3 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.

Data Sources

Updated daily. Data covers 58 ZIP codes in New Jersey's 11th District.

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