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2026 Rankings

Worcester County, Massachusetts Home Safety Rankings - 74 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.

Worcester County, Massachusetts (Massachusetts) includes 74 tracked ZIP codes and 51 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: C (59/100)

Grade	ZIP Codes	%
A	0	0%
B	1	2%
C	25	56%
D	17	38%
F	2	4%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	02631	Brewster	83	B
2	01331	Athol	67	C
3	01475	Winchendon	67	C
4	01510	Clinton	67	C
5	01516	Douglas	67	C
6	01532	Northborough	67	C
7	01534	Northbridge	67	C
8	01535	North Brookfield	67	C
9	01537	North Oxford	67	C
10	01550	Southbridge	67	C

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	01560	South Grafton	37	F	32 violations
2	01581	Westborough	38	F	56 violations
3	01545	Shrewsbury	41	D	28 violations
4	01564	Sterling	48	D	2 violation(s)
5	01501	Auburn	48	D	5 violations
6	01583	West Boylston	49	D	2 violation(s)
7	01570	Webster	49	D	2 violation(s)
8	01569	Uxbridge	50	D	—
9	01527	Millbury	50	D	—
10	01523	Lancaster	50	D	Lead above EPA action level

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Stage 1 DBP Rule	27	16
Groundwater Rule	26	4
HAA6Br	13	5
1,2-DIBROMO-3-CHLOROPROPANE	9	5
ETHYLENE DIBROMIDE	9	5
PFOA	8	4
PFNA	8	4
Monochloroacetic Acid	8	4

Lead Risk

Average of reported 90th-percentile lead results: 0.0036 mg/L (below EPA action level)
2 of 52 ZIP codes with known status exceed EPA lead action level
28% of housing built before 1950
48% of housing built before 1970

Cities in This Metro

Westborough, MA — 3 ZIP codes
Westminster, MA — 2 ZIP codes
Shrewsbury, MA — 2 ZIP codes
Barre, MA — 1 ZIP code
Gilbertville, MA — 1 ZIP code
Hardwick, MA — 1 ZIP code
Oakham, MA — 1 ZIP code
South Barre, MA — 1 ZIP code
Warren, MA — 1 ZIP code
West Warren, MA — 1 ZIP code
Wheelwright, MA — 1 ZIP code
Athol, MA — 1 ZIP code
Petersham, MA — 1 ZIP code
Royalston, MA — 1 ZIP code
Ashburnham, MA — 1 ZIP code
Ashby, MA — 1 ZIP code
Baldwinville, MA — 1 ZIP code
East Templeton, MA — 1 ZIP code
Gardner, MA — 1 ZIP code
Hubbardston, MA — 1 ZIP code
Leominster, MA — 1 ZIP code
Lunenburg, MA — 1 ZIP code
Templeton, MA — 1 ZIP code
Winchendon, MA — 1 ZIP code
Auburn, MA — 1 ZIP code
Berlin, MA — 1 ZIP code
Blackstone, MA — 1 ZIP code
Boylston, MA — 1 ZIP code
Brookfield, MA — 1 ZIP code
Charlton, MA — 1 ZIP code

...and 40 more cities

All 74 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	02631	Brewster	83	B	0
2	01331	Athol	67	C	0
3	01475	Winchendon	67	C	0
4	01510	Clinton	67	C	0
5	01516	Douglas	67	C	0
6	01532	Northborough	67	C	0
7	01534	Northbridge	67	C	0
8	01535	North Brookfield	67	C	0
9	01537	North Oxford	67	C	0
10	01550	Southbridge	67	C	0
11	01562	Spencer	67	C	0
12	01612	Paxton	67	C	0
13	01430	Ashburnham	66	C	1
14	01440	Gardner	66	C	2
15	01515	East Brookfield	66	C	2
16	01518	Fiskdale	66	C	1
17	01566	Sturbridge	66	C	1
18	01571	Dudley	66	C	2
19	01590	Sutton	66	C	2
20	01524	Leicester	65	C	1
21	01542	Rochdale	65	C	1
22	01568	Upton	65	C	35
23	01611	Cherry Valley	65	C	1
24	01543	Rutland	64	C	4
25	01005	Barre	61	C	17
26	01074	South Barre	61	C	17
27	01436	Baldwinville	50	D	0
28	01453	Leominster	50	D	0
29	01462	Lunenburg	50	D	0
30	01468	Templeton	50	D	0
31	01473	Westminster	50	D	0
32	01504	Blackstone	50	D	0
33	01505	Boylston	50	D	0
34	01520	Holden	50	D	0
35	01522	Jefferson	50	D	0
36	01523	Lancaster	50	D	0
37	01527	Millbury	50	D	0
38	01569	Uxbridge	50	D	0
39	01570	Webster	49	D	2
40	01583	West Boylston	49	D	2
41	01501	Auburn	48	D	5
42	01564	Sterling	48	D	2
43	01545	Shrewsbury	41	D	28
44	01581	Westborough	38	F	56
45	01560	South Grafton	37	F	32
46	01031	Gilbertville	—	—	—
47	01037	Hardwick	—	—	—
48	01068	Oakham	—	—	—
49	01083	Warren	—	—	0
50	01092	West Warren	—	—	0
51	01094	Wheelwright	—	—	—
52	01366	Petersham	—	—	—
53	01368	Royalston	—	—	0
54	01431	Ashby	—	—	—
55	01438	East Templeton	—	—	—
56	01452	Hubbardston	—	—	—
57	01503	Berlin	—	—	120
58	01506	Brookfield	—	—	0
59	01507	Charlton	—	—	—
60	01529	Millville	—	—	—
61	01531	New Braintree	—	—	—
62	01540	Oxford	—	—	0
63	01541	Princeton	—	—	—
64	01585	West Brookfield	—	—	0

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). Worcester County, Massachusetts Home Safety Rankings - 74 ZIPs. https://zipcheckup.com/rankings/metro/worcester-massachusetts/

BibTeX

@misc{zipcheckup-rankings-metro-worcester-massachusetts,
  author = {{ZipCheckup}},
  title  = {{Worcester County, Massachusetts Home Safety Rankings - 74 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/worcester-massachusetts/}
}

Page version: October 2026.

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