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2026 Rankings

Bristol County, Massachusetts Home Safety Rankings - 34 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.

Bristol County, Massachusetts (Massachusetts) includes 34 tracked ZIP codes and 16 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: B (76/100)

Grade	ZIP Codes	%
A	0	0%
B	12	57%
C	9	43%
D	0	0%
F	0	0%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	02720	Fall River	83	B
2	02721	Fall River	83	B
3	02723	Fall River	83	B
4	02724	Fall River	83	B
5	02725	Somerset	83	B
6	02726	Somerset	83	B
7	02740	New Bedford	83	B
8	02743	Acushnet	83	B
9	02744	New Bedford	83	B
10	02745	New Bedford	83	B

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	02766	Norton	65	C	2 violation(s)
2	02777	Swansea	66	C	1 violation(s)
3	02770	Rochester	66	C	1 violation(s)
4	02764	North Dighton	66	C	1 violation(s)
5	02748	South Dartmouth	66	C	4 violations
6	02747	North Dartmouth	66	C	34 violations
7	02715	Dighton	66	C	1 violation(s)
8	02771	Seekonk	67	C	—
9	02703	Attleboro	67	C	—
10	02719	Fairhaven	82	B	2 violation(s)

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Total Trihalomethanes (TTHM)	15	5
Endrin	7	7
BHC-GAMMA	7	7
Methoxychlor	7	7
Toxaphene	7	7
Dalapon	7	7
Diquat	7	7
Endothall	7	7

Lead Risk

Average of reported 90th-percentile lead results: 0.0063 mg/L (below EPA action level)
0 of 24 ZIP codes with known status exceed EPA lead action level
40% of housing built before 1950
60% of housing built before 1970

Cities in This Metro

New Bedford, MA — 6 ZIP codes
Fall River, MA — 5 ZIP codes
Somerset, MA — 2 ZIP codes
Taunton, MA — 2 ZIP codes
Assonet, MA — 1 ZIP code
Attleboro, MA — 1 ZIP code
Chartley, MA — 1 ZIP code
Dartmouth, MA — 1 ZIP code
Dighton, MA — 1 ZIP code
Fairhaven, MA — 1 ZIP code
Acushnet, MA — 1 ZIP code
North Dartmouth, MA — 1 ZIP code
South Dartmouth, MA — 1 ZIP code
North Dighton, MA — 1 ZIP code
Norton, MA — 1 ZIP code
Raynham Center, MA — 1 ZIP code
Rehoboth, MA — 1 ZIP code
Rochester, MA — 1 ZIP code
Seekonk, MA — 1 ZIP code
Swansea, MA — 1 ZIP code
Berkley, MA — 1 ZIP code
Westport, MA — 1 ZIP code
Westport Point, MA — 1 ZIP code

All 34 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	02720	Fall River	83	B	30
2	02721	Fall River	83	B	30
3	02723	Fall River	83	B	30
4	02724	Fall River	83	B	30
5	02725	Somerset	83	B	2
6	02726	Somerset	83	B	2
7	02740	New Bedford	83	B	4
8	02743	Acushnet	83	B	0
9	02744	New Bedford	83	B	4
10	02745	New Bedford	83	B	0
11	02780	Taunton	83	B	30
12	02719	Fairhaven	82	B	2
13	02703	Attleboro	67	C	0
14	02771	Seekonk	67	C	0
15	02715	Dighton	66	C	1
16	02747	North Dartmouth	66	C	34
17	02748	South Dartmouth	66	C	4
18	02764	North Dighton	66	C	1
19	02770	Rochester	66	C	1
20	02777	Swansea	66	C	1
21	02766	Norton	65	C	2
22	02702	Assonet	—	—	0
23	02746	New Bedford	—	—	0
24	02769	Rehoboth	—	—	—
25	02779	Berkley	—	—	—
26	02790	Westport	—	—	34
27	02791	Westport Point	—	—	—

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). Bristol County, Massachusetts Home Safety Rankings - 34 ZIPs. https://zipcheckup.com/rankings/metro/bristol-massachusetts/

BibTeX

@misc{zipcheckup-rankings-metro-bristol-massachusetts,
  author = {{ZipCheckup}},
  title  = {{Bristol County, Massachusetts Home Safety Rankings - 34 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/bristol-massachusetts/}
}

Page version: October 2026.

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