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Lewisburg, Ohio
Inside Lewisburg's city limits, a shallow water table limits basements on 59% of mapped land. Shrink-swell clay limits houses without basements on 5%.
That water-table share is below Preble County's 86%. FEMA's flood data list no flood losses since 2016 in ZIP code 45338 overlapping the city. Of its 775 homes, 70% were built before 1980; the median dates from 1959.
Data as of October 13, 2026 · sources · in Preble 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 Lewisburg
Basement waterproofing in Lewisburg: a shallow water table limits basements on 59% of Lewisburg's mapped land.
About 600 of Lewisburg's 775 homes are detached houses.
Soil under Lewisburg city limits
| Expansive clay (limits slab homes) | 5.3% |
| High water table (limits basements) | 59.4% |
| Septic fields very limited | 90.4% |
| Clay swell (LEP, by area) | 4.1% |
| High-swell land (LEP 6%+) | 3.5% |
| Mapped soil | 696 acres |
What the numbers mean here
On 59% of Lewisburg's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 90% of the land very limited for septic absorption fields.
Drought in Preble County
0% of Preble 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 Lewisburg. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45338 | 100% | 0 | $0 |
Homes in Lewisburg
| Housing units | 775 |
| Median year built | 1959 |
| Built before 1980 | 70% |
| Built 2000 or later | 9% |
| Owner-occupied | 70% |
| Median value, owner-occupied | $155,800 |
| Single-family detached | 76% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Verona | 4 mi | 28% | 97% |
| West Manchester | 6 mi | 24% | 91% |
| Gordon | 6 mi | 45% | 100% |
| Brookville | 7 mi | 30% | 96% |
| Castine | 7 mi | 20% | over 99% |
| West Alexandria | 7 mi | 16% | 78% |
| Eldorado | 8 mi | 20% | 99% |
| Phillipsburg | 8 mi | 28% | 100% |
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