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2026 Rankings

Morris County, New Jersey Home Safety Rankings - 46 ZIPs

Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.

Morris County, New Jersey (New Jersey) includes 46 tracked ZIP codes and 38 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.

Average Home Safety Grade: D (45/100)

Grade	ZIP Codes	%
A	0	0%
B	0	0%
C	5	16%
D	16	50%
F	11	34%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	07970	Mount Freedom	67	C
2	07457	Riverdale	65	C
3	07403	Bloomingdale	63	C
4	07876	Succasunna	61	C
5	07444	Pompton Plains	60	C
6	07856	Mount Arlington	54	D
7	07803	Mine Hill	52	D
8	07438	Oak Ridge	50	D
9	07926	Brookside	50	D
10	07927	Cedar Knolls	50	D

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	07885	Wharton	33	F	131 violations
2	07866	Rockaway	33	F	159 violations
3	07840	Hackettstown	33	F	389 violations
4	07836	Flanders	33	F	414 violations
5	07834	Denville	33	F	102 violations
6	07828	Budd Lake	33	F	472 violations
7	07801	Dover	33	F	117 violations
8	07950	Morris Plains	34	F	51 violations
9	07960	Morristown	37	F	40 violations
10	07940	Madison	37	F	39 violations

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Stage 1 DBP Rule	425	26
Consumer Confidence Report Rule	166	20
Revised Total Coliform Rule	143	20
Surface Water Treatment Rule	105	28
1,2-DIBROMO-3-CHLOROPROPANE	84	14
ETHYLENE DIBROMIDE	84	14
Total Coliform	69	24
Lead and Copper Rule	48	12

Lead Risk

Average of reported 90th-percentile lead results: 0.0049 mg/L (below EPA action level)
0 of 36 ZIP codes with known status exceed EPA lead action level
19% of housing built before 1950
49% of housing built before 1970

Cities in This Metro

Morristown, NJ — 3 ZIP codes
Dover, NJ — 2 ZIP codes
Whippany, NJ — 2 ZIP codes
Bloomingdale, NJ — 1 ZIP code
Oak Ridge, NJ — 1 ZIP code
Pequannock, NJ — 1 ZIP code
Pompton Plains, NJ — 1 ZIP code
Riverdale, NJ — 1 ZIP code
Mine Hill, NJ — 1 ZIP code
Picatinny Arsenal, NJ — 1 ZIP code
Budd Lake, NJ — 1 ZIP code
Denville, NJ — 1 ZIP code
Flanders, NJ — 1 ZIP code
Hackettstown, NJ — 1 ZIP code
Hibernia, NJ — 1 ZIP code
Ironia, NJ — 1 ZIP code
Kenvil, NJ — 1 ZIP code
Lake Hopatcong, NJ — 1 ZIP code
Landing, NJ — 1 ZIP code
Ledgewood, NJ — 1 ZIP code
Mount Arlington, NJ — 1 ZIP code
Netcong, NJ — 1 ZIP code
Port Murray, NJ — 1 ZIP code
Rockaway, NJ — 1 ZIP code
Randolph, NJ — 1 ZIP code
Succasunna, NJ — 1 ZIP code
Mount Tabor, NJ — 1 ZIP code
Vienna, NJ — 1 ZIP code
Washington, NJ — 1 ZIP code
Wharton, NJ — 1 ZIP code

...and 12 more cities

All 46 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	07970	Mount Freedom	67	C	3
2	07457	Riverdale	65	C	4
3	07403	Bloomingdale	63	C	10
4	07876	Succasunna	61	C	7
5	07444	Pompton Plains	60	C	20
6	07856	Mount Arlington	54	D	33
7	07803	Mine Hill	52	D	16
8	07438	Oak Ridge	50	D	100
9	07926	Brookside	50	D	3
10	07927	Cedar Knolls	50	D	2
11	07945	Mendham	50	D	5
12	07981	Whippany	50	D	2
13	07865	Port Murray	48	D	18
14	07882	Washington	47	D	21
15	07440	Pequannock	45	D	15
16	07850	Landing	45	D	14
17	07847	Kenvil	44	D	7
18	07857	Netcong	44	D	12
19	07869	Randolph	43	D	57
20	07852	Ledgewood	42	D	10
21	07932	Florham Park	41	D	27
22	07849	Lake Hopatcong	38	F	69
23	07940	Madison	37	F	39
24	07960	Morristown	37	F	40
25	07950	Morris Plains	34	F	51
26	07801	Dover	33	F	117
27	07828	Budd Lake	33	F	472
28	07834	Denville	33	F	102
29	07836	Flanders	33	F	414
30	07840	Hackettstown	33	F	389
31	07866	Rockaway	33	F	159
32	07885	Wharton	33	F	131
33	07842	Hibernia	—	—	—
34	07878	Mount Tabor	—	—	5
35	07880	Vienna	—	—	18
36	07930	Chester	—	—	—
37	07931	Far Hills	—	—	3
38	07934	Gladstone	—	—	—
39	07961	Convent Station	—	—	27
40	07977	Peapack	—	—	—

Data Sources

Water quality: EPA SDWIS
Housing: U.S. Census Bureau American Community Survey
Flood: FEMA NFIP
Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.

Reporting periods vary by source; the page metadata identifies this materialization.

Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →

Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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How to cite this page

APA

ZipCheckup. (2026). Morris County, New Jersey Home Safety Rankings - 46 ZIPs. https://zipcheckup.com/rankings/metro/morris-new-jersey/

BibTeX

@misc{zipcheckup-rankings-metro-morris-new-jersey,
  author = {{ZipCheckup}},
  title  = {{Morris County, New Jersey Home Safety Rankings - 46 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/morris-new-jersey/}
}

Page version: October 2026.

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