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2026 Rankings

Carter County, Oklahoma Home Safety Rankings - 16 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.

Carter County, Oklahoma (Oklahoma) includes 16 tracked ZIP codes and 10 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: A (90/100)

Grade	ZIP Codes	%
A	5	83%
B	1	17%
C	0	0%
D	0	0%
F	0	0%

Top 10 ZIP Codes by Home Safety Score

Rank	ZIP	City	Score	Grade
1	73458	Springer	98	A
2	73443	Lone Grove	93	A
3	73463	Wilson	90	A
4	73453	Overbrook	89	A
5	73401	Ardmore	87	A
6	73438	Healdton	83	B

10 Riskiest ZIP Codes

Rank	ZIP	City	Score	Grade	Risk Factor
1	73438	Healdton	83	B	26 violations
2	73401	Ardmore	87	A	95 violations
3	73453	Overbrook	89	A	60 violations
4	73463	Wilson	90	A	55 violations
5	73443	Lone Grove	93	A	52 violations
6	73458	Springer	98	A	41 violations

Most Common Contaminant Violations

Contaminant	Violations	ZIPs Affected
Haloacetic Acids (HAA5)	242	7
Total Trihalomethanes (TTHM)	35	5
Chlorite	18	5
Stage 2 DBP Rule	12	6
Fecal Coliform	8	5
Arsenic	7	5
Total Coliform	6	3
Glyphosate	3	3

Lead Risk

Average of reported 90th-percentile lead results: 0.0028 mg/L (below EPA action level)
0 of 7 ZIP codes with known status exceed EPA lead action level
15% of housing built before 1950
38% of housing built before 1970

Cities in This Metro

Ardmore, OK — 5 ZIP codes
Countyline, OK — 1 ZIP code
Fox, OK — 1 ZIP code
Graham, OK — 1 ZIP code
Healdton, OK — 1 ZIP code
Lone Grove, OK — 1 ZIP code
Overbrook, OK — 1 ZIP code
Springer, OK — 1 ZIP code
Wilson, OK — 1 ZIP code
Ratliff City, OK — 1 ZIP code
Tatums, OK — 1 ZIP code
Tussy, OK — 1 ZIP code

All 16 ZIP Codes Ranked

View complete ranking

Rank	ZIP	City	Score	Grade	Violations
1	73458	Springer	98	A	41
2	73443	Lone Grove	93	A	52
3	73463	Wilson	90	A	55
4	73453	Overbrook	89	A	60
5	73401	Ardmore	87	A	95
6	73438	Healdton	83	B	26
7	73425	Countyline	—	—	—
8	73481	Ratliff City	—	—	26
9	73487	Tatums	—	—	—

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). Carter County, Oklahoma Home Safety Rankings - 16 ZIPs. https://zipcheckup.com/rankings/metro/carter-oklahoma/

BibTeX

@misc{zipcheckup-rankings-metro-carter-oklahoma,
  author = {{ZipCheckup}},
  title  = {{Carter County, Oklahoma Home Safety Rankings - 16 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/carter-oklahoma/}
}

Page version: October 2026.

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