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2026 Rankings

Adams County, Pennsylvania Home Safety Rankings - 36 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.

Adams County, Pennsylvania (Pennsylvania) includes 36 tracked ZIP codes and 29 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 (46/100)

Grade	ZIP Codes	%
A	0	0%
B	0	0%
C	1	11%
D	6	67%
F	2	22%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	17401	York	64	C
2	17214	Blue Ridge Summit	51	D
3	17222	Fayetteville	50	D
4	17406	York	50	D
5	17339	Lewisberry	48	D
6	17408	York	43	D
7	17350	New Oxford	42	D
8	17325	Gettysburg	34	F
9	17340	Littlestown	33	F

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	17340	Littlestown	33	F	100 violations
2	17325	Gettysburg	34	F	47 violations
3	17350	New Oxford	42	D	19 violations
4	17408	York	43	D	50 violations
5	17339	Lewisberry	48	D	5 violations
6	17406	York	50	D	58 violations
7	17222	Fayetteville	50	D	97 violations
8	17214	Blue Ridge Summit	51	D	48 violations
9	17401	York	64	C	5 violations

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Lead and Copper Rule	73	8
Consumer Confidence Report Rule	69	21
Chlorite	55	20
Groundwater Rule	52	13
Lead	40	10
Copper	40	10
Revised Total Coliform Rule	31	10
Haloacetic Acids (HAA5)	23	11

Lead Risk

Average of reported 90th-percentile lead results: 0.0034 mg/L (below EPA action level)
0 of 22 ZIP codes with known status exceed EPA lead action level
26% of housing built before 1950
46% of housing built before 1970

Cities in This Metro

York, PA — 9 ZIP codes
Blue Ridge Summit, PA — 1 ZIP code
Fayetteville, PA — 1 ZIP code
Rouzerville, PA — 1 ZIP code
Abbottstown, PA — 1 ZIP code
Arendtsville, PA — 1 ZIP code
Aspers, PA — 1 ZIP code
Bendersville, PA — 1 ZIP code
Biglerville, PA — 1 ZIP code
Cashtown, PA — 1 ZIP code
Codorus, PA — 1 ZIP code
East Berlin, PA — 1 ZIP code
Emigsville, PA — 1 ZIP code
Fairfield, PA — 1 ZIP code
Gettysburg, PA — 1 ZIP code
Idaville, PA — 1 ZIP code
Lewisberry, PA — 1 ZIP code
Littlestown, PA — 1 ZIP code
Loganville, PA — 1 ZIP code
Mc Knightstown, PA — 1 ZIP code
New Oxford, PA — 1 ZIP code
Orrtanna, PA — 1 ZIP code
Rossville, PA — 1 ZIP code
Seven Valleys, PA — 1 ZIP code
Thomasville, PA — 1 ZIP code
York New Salem, PA — 1 ZIP code
York Springs, PA — 1 ZIP code
Peach Glen, PA — 1 ZIP code

All 36 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	17401	York	64	C	5
2	17214	Blue Ridge Summit	51	D	48
3	17222	Fayetteville	50	D	97
4	17406	York	50	D	58
5	17339	Lewisberry	48	D	5
6	17408	York	43	D	50
7	17350	New Oxford	42	D	19
8	17325	Gettysburg	34	F	47
9	17340	Littlestown	33	F	100
10	17250	Rouzerville	—	—	—
11	17301	Abbottstown	—	—	5
12	17303	Arendtsville	—	—	—
13	17304	Aspers	—	—	4
14	17306	Bendersville	—	—	—
15	17307	Biglerville	—	—	40
16	17311	Codorus	—	—	—
17	17316	East Berlin	—	—	78
18	17318	Emigsville	—	—	5
19	17320	Fairfield	—	—	16
20	17342	Loganville	—	—	5
21	17353	Orrtanna	—	—	14
22	17360	Seven Valleys	—	—	5
23	17364	Thomasville	—	—	6
24	17371	York New Salem	—	—	5
25	17372	York Springs	—	—	21
26	17402	York	—	—	66
27	17403	York	—	—	19
28	17404	York	—	—	49
29	17407	York	—	—	5

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). Adams County, Pennsylvania Home Safety Rankings - 36 ZIPs. https://zipcheckup.com/rankings/metro/adams-pennsylvania/

BibTeX

@misc{zipcheckup-rankings-metro-adams-pennsylvania,
  author = {{ZipCheckup}},
  title  = {{Adams County, Pennsylvania Home Safety Rankings - 36 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/adams-pennsylvania/}
}

Page version: October 2026.

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