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Malvern, Ohio
Inside Malvern's city limits, a shallow water table limits basements on 1% of mapped land, the 5th-highest of 5 cities in Carroll County. Shrink-swell clay limits houses without basements on under 1%.
That water-table share is below Carroll County's 28%. FEMA's flood data list no flood losses since 2016 in ZIP code 44644 overlapping the city. Of its 703 homes, 67% were built before 1980; the median dates from 1965.
Data as of October 13, 2026 · sources · in Carroll County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Malvern
Basement waterproofing in Malvern: a shallow water table limits basements on 1% of Malvern's mapped land.
About 400 of Malvern's 703 homes are detached houses.
Soil under Malvern city limits
| Expansive clay (limits slab homes) | 0.3% |
| High water table (limits basements) | 0.8% |
| Septic fields very limited | 93.4% |
| Clay swell (LEP, by area) | 1.8% |
| High-swell land (LEP 6%+) | 0.3% |
| Mapped soil | 468 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Chili | 46% | 0% |
| Boyer | 21% | n/a |
| Tioga | 20% | n/a |
| Sparta | 3% | n/a |
| Fairpoint | 1% | n/a |
| Westmoreland | 1% | 0% |
What the numbers mean here
USDA rates 93% of the land very limited for septic absorption fields.
With shrink-swell clay on under 1% and a shallow water table on 1% of the land, the soil survey points to neither problem across most of Malvern; conditions still vary lot by lot.
Drought in Carroll County
0% of Carroll County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Malvern. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44644 | 100% | 0 | $0 |
Homes in Malvern
| Housing units | 703 |
| Median year built | 1965 |
| Built before 1980 | 67% |
| Built 2000 or later | 4% |
| Owner-occupied | 38% |
| Median value, owner-occupied | $129,200 |
| Single-family detached | 53% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Waynesburg | 4 mi | 0% | 18% |
| Minerva | 5 mi | 2% | 19% |
| Magnolia | 6 mi | under 1% | 27% |
| East Canton | 9 mi | 3% | 65% |
| Carrollton | 9 mi | under 1% | 45% |
| Dellroy | 9 mi | 0% | 70% |
| East Sparta | 10 mi | 15% | 41% |
| Louisville | 11 mi | under 1% | 68% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status