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2026 Rankings

Clinton County, Iowa Home Safety Rankings - 20 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.

Clinton County, Iowa (Iowa) includes 20 tracked ZIP codes and 5 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 (61/100)

Grade	ZIP Codes	%
A	0	0%
B	0	0%
C	2	67%
D	1	33%
F	0	0%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	52730	Camanche	67	C
2	52742	De Witt	67	C
3	52732	Clinton	50	D

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	52732	Clinton	50	D	—
2	52742	De Witt	67	C	—
3	52730	Camanche	67	C	—

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Lead and Copper Rule	2	2

Lead Risk

Average of reported 90th-percentile lead results: 0.0046 mg/L (below EPA action level)
0 of 5 ZIP codes with known status exceed EPA lead action level
38% of housing built before 1950
62% of housing built before 1970

Cities in This Metro

Clinton, IA — 4 ZIP codes
Delmar, IA — 1 ZIP code
Maquoketa, IA — 1 ZIP code
Miles, IA — 1 ZIP code
Lost Nation, IA — 1 ZIP code
Andover, IA — 1 ZIP code
Bryant, IA — 1 ZIP code
Calamus, IA — 1 ZIP code
Camanche, IA — 1 ZIP code
Charlotte, IA — 1 ZIP code
De Witt, IA — 1 ZIP code
Goose Lake, IA — 1 ZIP code
Grand Mound, IA — 1 ZIP code
Low Moor, IA — 1 ZIP code
Teeds Grove, IA — 1 ZIP code
Welton, IA — 1 ZIP code
Wheatland, IA — 1 ZIP code

All 20 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	52730	Camanche	67	C	0
2	52742	De Witt	67	C	0
3	52732	Clinton	50	D	0
4	52037	Delmar	—	—	1
5	52060	Maquoketa	—	—	1
6	52064	Miles	—	—	—
7	52254	Lost Nation	—	—	—
8	52701	Andover	—	—	—
9	52727	Bryant	—	—	—
10	52729	Calamus	—	—	—
11	52731	Charlotte	—	—	—
12	52750	Goose Lake	—	—	—
13	52751	Grand Mound	—	—	—
14	52757	Low Moor	—	—	—
15	52771	Teeds Grove	—	—	—
16	52774	Welton	—	—	—
17	52777	Wheatland	—	—	—

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). Clinton County, Iowa Home Safety Rankings - 20 ZIPs. https://zipcheckup.com/rankings/metro/clinton-iowa/

BibTeX

@misc{zipcheckup-rankings-metro-clinton-iowa,
  author = {{ZipCheckup}},
  title  = {{Clinton County, Iowa Home Safety Rankings - 20 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/clinton-iowa/}
}

Page version: October 2026.

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