STATE REPORT NJ HEALTH VIOLATIONS: 196

New Jersey Home Safety Profiles by ZIP

726 ZIP codes · 353 water systems · NSPC plumbing code

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData, NWS, State plumbing boards, Rewiring America

ZipCheckup tracks drinking-water and home-safety data for 726 ZIP codes across New Jersey, covering 353 public water systems that serve about 8,351,160 people. 478 ZIP codes are mapped to at least one water system with an EPA violation on record.

726
ZIP Codes
353
Water Systems
478
ZIPs with Violations
NSPC
Plumbing Code
C · 61
Avg Safety Score
1
ZIPs Mapped to a System Above the Lead Action Level
35%
EPA Radon Zone 1 (county-level potential)
#47
of 50 States
13%
ZIPs Rated A or B
87%
ZIPs with Violations
C
New Jersey average: 61/100 - ranked #47 of 50 states. 12 points below the national average (73). Water systems mapped to 87% of ZIP codes have recorded violations.

The statewide grade for New Jersey combines several public data sources, among them EPA water system records, and it lands in the C-F range.

Score Distribution

How New Jersey's 726 ZIP codes are distributed across safety grades.

18
A
31
B
204
C
92
D
30
F
85-10070-8455-6940-540-39

Home Safety Scores by State

Loading map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

Model 4.0.0 inputs: EPA SDWIS, UCMR5 PFAS, EPA radon zones, annual county AQI •

Top 10 ZIP Codes by Home Safety Score in New Jersey

Highest Home Safety Scores in the state.

#ZIP CodeCityCountyScoreGrade
1 08050 ManahawkinOcean 100 A
2 08310 BuenaAtlantic 100 A
3 08326 LandisvilleAtlantic 100 A
4 08341 MinotolaAtlantic 100 A
5 08402 Margate CityAtlantic 100 A
6 08751 Seaside HeightsOcean 100 A
7 08752 Seaside ParkOcean 100 A
8 08203 BrigantineAtlantic 99 A
9 08005 BarnegatOcean 98 A
10 08758 WaretownOcean 98 A

10 Lowest-Scoring ZIP Codes in New Jersey

#ZIP CodeCityCountyScoreGradeViolations
1 08826 Glen GardnerHunterdon 33 F 101
2 08822 FlemingtonHunterdon 33 F 57
3 08691 TrentonMercer 33 F 107
4 08690 TrentonMercer 33 F 107
5 08648 Lawrence TownshipMercer 33 F 111
6 08628 TrentonMercer 33 F 91
7 08619 TrentonMercer 33 F 107
8 08618 TrentonMercer 33 F 91
9 08560 TitusvilleMercer 33 F 91
10 08540 PrincetonMercer 33 F 131

County Rankings

Water quality breakdown by county. 21 counties with data in New Jersey.

Loading county map…
F (0-39) D (40-54) C (55-69) B (70-84) A (85+)

County-level aggregation of measured ZIP Home Safety Scores • EPA SDWIS, UCMR 5 PFAS, EPA radon zones, EPA AirData

CountyAvg ScoreGradeZIPsBest ZIPWorst ZIP
34001 87 A 35 08310 (100) 08037 (67)
34003 65 C 69 07645 (67) 07446 (50)
34005 N/A N/A 32 N/A N/A
34007 62 C 34 08091 (66) 08081 (50)
34009 N/A N/A 22 N/A N/A
34011 61 C 21 08327 (83) 08332 (50)
34013 N/A N/A 44 N/A N/A
34015 64 C 26 08090 (82) 08080 (52)
34017 66 C 22 07002 (66) 07029 (62)
34019 46 D 28 08530 (67) 08826 (33)
34021 45 D 39 08640 (63) 08691 (33)
34023 65 C 48 08902 (79) 08831 (55)
34025 48 D 56 08736 (64) 08501 (33)
34027 45 D 58 07970 (67) 07885 (33)
34029 89 A 37 08050 (100) 08759 (70)
34031 63 C 39 07506 (76) 07438 (50)
34033 N/A N/A 11 N/A N/A
34035 N/A N/A 31 N/A N/A
34037 N/A N/A 24 N/A N/A
34039 67 C 30 07016 (67) 07206 (66)
34041 51 D 20 07820 (63) 07840 (33)

Most Common Contaminants in New Jersey

Contaminant / RuleCategoryZIPs AffectedViolationsHealth Risk
Stage 1 DBP Rule Treatment Technique 376 2072 Yes
Surface Water Treatment Rule Treatment Technique 209 475 No
E. coli Microbiological 164 527 Yes
Revised Total Coliform Rule Microbiological 151 672 No
Consumer Confidence Report Rule Reporting 145 687 Yes
Haloacetic Acids (HAA5) Disinfection Byproducts 125 335 Yes
Contaminant 2931 Other 124 311 No
Contaminant 2946 Other 124 311 No

Overview

We track multi-source home safety signals for 726 ZIP records across New Jersey. Home Safety Score model 4.0.0 is published for 375 scored records; missing required evidence suppresses the score.

The EPA snapshots used for this build directly map water systems to 551 ZIP records, covering 353 community water systems that serve approximately 8,351,160 people.

478 of 551 ZIP codes with a reported violation count in the available EPA record (87%) have recorded EPA violations. 196 health-based violations appear in the available health breakdown.

Plumbing Regulations

New Jersey follows the National Standard Plumbing Code (NJ-specific) (Current edition).

  • Plumbing code: NSPC (Current)
  • Homeowner DIY: Licensed plumber required
  • Water heater permit: Required
  • Annual backflow test: Required

Full New Jersey regulations →

Areas with Most Violations

ZIP Code City Home Safety Grade Violations Health-Based System
07828 Budd Lake F 472 18 Hackettstown Mua
07836 Flanders F 414 16 Mount Olive Twp W D Main
07840 Hackettstown F 389 13 Hackettstown Mua
07853 Long Valley F 339 10 Washington Twp Mua-schoo
07860 Newton — 198 6 Newton Water & Sewer Utility
08332 Millville D 163 2 Millville Water Department
07866 Rockaway F 159 0 Rockaway Twp Water Department
07825 Blairstown — 146 1 Stillwater Water District 1
08037 Hammonton C 137 9 Hammonton Water Department
07885 Wharton F 131 11 Wharton Water Department

Areas with No Violations

ZIP Code City Home Safety Grade System Population
07016 Cranford C Nj American Water - Raritan 615,430
07023 Fanwood C Nj American Water - Raritan 615,430
07027 Garwood C Nj American Water - Raritan 615,430
07033 Kenilworth C Nj American Water - Raritan 615,430
07060 Plainfield — Nj American Water - Raritan 615,430
07062 Plainfield C Nj American Water - Raritan 615,430
07063 Plainfield — Nj American Water - Raritan 615,430
07066 Clark C Nj American Water - Raritan 615,430
07069 Watchung — Nj American Water - Raritan 615,430
07076 Scotch Plains C Nj American Water - Raritan 615,430

Home Safety Score

Average Home Safety Score for New Jersey: C (61/100) across 375 scored of 726 tracked ZIP records.

Model 4.0.0 uses the canonical components water-compliance, pfas-mcl-screen, radon-zone, annual-aqi across 3 required domains. The sections below provide additional context and do not change that score. Missing required evidence suppresses the score, and a favorable result is not a property-level safety certification.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0033 mg/L (EPA action level: 0.015 mg/L)
  • 1 of 551 ZIP codes with known status exceed the EPA lead action level

Radon Risk

  • High risk (Zone 1): 246 ZIP codes (35%)
  • Moderate risk (Zone 2): 370 ZIP codes
  • Low risk (Zone 3): 87 ZIP codes

ZIP Code Reports for New Jersey

Largest Communities

ZIP Code City Population Safety Grade Violations
07087 Union City 1,054,713 C 3
08540 Princeton 943,685 F 131
07920 Basking Ridge 895,009 — 5
08817 Edison 883,806 C 12
08820 Edison 883,806 — 12
07080 South Plainfield 848,806 C 3
08648 Lawrence Township 842,285 F 111
08534 Pennington 835,030 D 95
07040 Maplewood 832,660 — 3
07059 Warren 832,660 — 3
07111 Irvington 832,660 — 3
07458 Saddle River 793,313 C 2
07010 Cliffside Park 792,713 C 1
07020 Edgewater 792,713 C 1
07022 Fairview 792,713 C 1
07024 Fort Lee 792,713 C 1
07047 North Bergen 792,713 C 1
07070 Rutherford 792,713 C 1
07072 Carlstadt 792,713 C 1
07073 East Rutherford 792,713 C 1

Lowest Published Home Safety Scores

ZIP Code City Score Grade Violations
07005 Boonton 33 F 116
07734 Keansburg 33 F 79
07748 Middletown 33 F 80
07801 Dover 33 F 117
07828 Budd Lake 33 F 472

Highest Published Home Safety Scores

ZIP Code City Score Grade Violations
08050 Manahawkin 100 A 0
08310 Buena 100 A 1
08326 Landisville 100 A 1
08341 Minotola 100 A 1
08402 Margate City 100 A 0

All 726 ZIP Codes in New Jersey

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Largest water systems in New Jersey

The 12 largest community water systems in New Jersey, out of 353 in our data.

Show all 12 water systems

Systems with the most violations in New Jersey

12 systems in New Jersey with the most recorded EPA violations.

Frequently Asked Questions

Is the water safe to drink in New Jersey?

New Jersey has 353 community water systems serving 8,351,160 people across 726 ZIP codes. There are 4,001 recorded violations among these water systems, including 196 health-based. 478 of 726 ZIP codes are mapped to at least one water system with a recorded violation.

What plumbing code does New Jersey follow?

New Jersey's listed plumbing code type is NSPC as of our last review; local jurisdictions may adopt or amend codes. Plumbing work may require a licensed plumber; check state exemptions and local requirements.

Is lead a concern in New Jersey's drinking water?

1 ZIP code in New Jersey is mapped to a water system whose reported 90th-percentile lead result exceeded the EPA action level of 0.015 mg/L.

What is the radon risk in New Jersey?

35% of ZIP codes in New Jersey are mapped to counties classified as EPA Radon Zone 1 (highest county-level radon potential).

How to cite this page

APA ZipCheckup. (2026). New Jersey Home Safety Profiles by ZIP. https://zipcheckup.com/states/new-jersey/
BibTeX 
@misc{zipcheckup-states-new-jersey,
  author = {{ZipCheckup}},
  title  = {{New Jersey Home Safety Profiles by ZIP}},
  year   = {2026},
  url    = {https://zipcheckup.com/states/new-jersey/}
}

Page version: October 2026.

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