Home Safety Water Safety Lead Risk PFAS Contamination Flood Risk Air Quality Mold Risk Wildfire Risk Earthquake Risk Infrastructure Risk CO & Gas Safety School Safety Superfund Proximity

2026 Rankings

Marathon County, Wisconsin Home Safety Rankings - 17 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.

Marathon County, Wisconsin (Wisconsin) includes 17 tracked ZIP codes and 18 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 (51/100)

Grade	ZIP Codes	%
A	0	0%
B	0	0%
C	1	20%
D	4	80%
F	0	0%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	54455	Mosinee	64	C
2	54401	Wausau	50	D
3	54403	Wausau	50	D
4	54476	Schofield	47	D
5	54474	Rothschild	45	D

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	54474	Rothschild	45	D	6 violations
2	54476	Schofield	47	D	4 violations
3	54403	Wausau	50	D	1 violation(s)
4	54401	Wausau	50	D	—
5	54455	Mosinee	64	C	3 violation(s)

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Lead and Copper Rule	19	9
Stage 2 DBP Rule	18	9
Stage 1 DBP Rule	11	5
Lead	8	6
Haloacetic Acids (HAA5)	6	6
Total Trihalomethanes (TTHM)	5	5
Surface Water Treatment Rule	2	2
Chlorine residual	2	2

Lead Risk

Average of reported 90th-percentile lead results: 0.0051 mg/L (below EPA action level)
0 of 13 ZIP codes with known status exceed EPA lead action level
22% of housing built before 1950
41% of housing built before 1970

Cities in This Metro

Wausau, WI — 3 ZIP codes
Abbotsford, WI — 1 ZIP code
Athens, WI — 1 ZIP code
Brokaw, WI — 1 ZIP code
Colby, WI — 1 ZIP code
Edgar, WI — 1 ZIP code
Hatley, WI — 1 ZIP code
Marathon, WI — 1 ZIP code
Mosinee, WI — 1 ZIP code
Ringle, WI — 1 ZIP code
Rosholt, WI — 1 ZIP code
Rothschild, WI — 1 ZIP code
Schofield, WI — 1 ZIP code
Spencer, WI — 1 ZIP code
Stratford, WI — 1 ZIP code

All 17 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	54455	Mosinee	64	C	3
2	54401	Wausau	50	D	0
3	54403	Wausau	50	D	1
4	54476	Schofield	47	D	4
5	54474	Rothschild	45	D	6
6	54405	Abbotsford	—	—	16
7	54411	Athens	—	—	4
8	54421	Colby	—	—	16
9	54426	Edgar	—	—	9
10	54440	Hatley	—	—	—
11	54448	Marathon	—	—	5
12	54471	Ringle	—	—	1
13	54473	Rosholt	—	—	—
14	54479	Spencer	—	—	3
15	54484	Stratford	—	—	4

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.

Explore More

By State

Contaminant Guides

Tools

How to cite this page

APA

ZipCheckup. (2026). Marathon County, Wisconsin Home Safety Rankings - 17 ZIPs. https://zipcheckup.com/rankings/metro/marathon-wisconsin/

BibTeX

@misc{zipcheckup-rankings-metro-marathon-wisconsin,
  author = {{ZipCheckup}},
  title  = {{Marathon County, Wisconsin Home Safety Rankings - 17 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/marathon-wisconsin/}
}

Page version: October 2026.

Get safety alerts

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.