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West Milton, Ohio
Inside West Milton's city limits, a shallow water table limits basements on 38% of mapped land. Shrink-swell clay limits houses without basements on 21%, the 3rd-highest of 12 cities in Miami County.
That water-table share is below Miami County's 81%. FEMA's flood data list no flood losses since 2016 in the 2 ZIP codes overlapping the city. Of its 2,287 homes, 65% were built before 1980; the median dates from 1973.
Data as of October 13, 2026 · sources · in Miami County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 2 overlapping ZIPs
of homes built before 1980
Basement waterproofing in West Milton
Basement waterproofing in West Milton: a shallow water table limits basements on 38% of West Milton's mapped land.
About 1,600 of West Milton's 2,287 homes are detached houses.
Soil under West Milton city limits
| Expansive clay (limits slab homes) | 21.0% |
| High water table (limits basements) | 38.0% |
| Septic fields very limited | 92.2% |
| Clay swell (LEP, by area) | 5.2% |
| High-swell land (LEP 6%+) | 18.6% |
| Mapped soil | 2,236 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Milton | 39% | n/a |
| Randolph | 21% | n/a |
| Millsdale | 14% | n/a |
| Ritchey | 5% | n/a |
| Eldean | 5% | 0% |
| Genesee | 3% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 5.2% by land area here, and 19% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 21% of the mapped land.
On 38% of West Milton's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 92% of the land very limited for septic absorption fields.
Drought in Miami County
0% of Miami 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 West Milton. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45383 | 87% | 0 | $0 |
| 45339 | 14% | 0 | $0 |
Homes in West Milton
| Housing units | 2,287 |
| Median year built | 1973 |
| Built before 1980 | 65% |
| Built 2000 or later | 6% |
| Owner-occupied | 71% |
| Median value, owner-occupied | $141,800 |
| Single-family detached | 70% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Ludlow Falls | 3 mi | 3% | 16% |
| Union | 4 mi | 18% | 50% |
| Potsdam | 5 mi | 24% | 100% |
| Laura | 5 mi | 6% | 97% |
| Phillipsburg | 5 mi | 28% | 100% |
| Clayton | 6 mi | 15% | 84% |
| Pleasant Hill | 6 mi | 29% | 37% |
| Englewood | 7 mi | 24% | 66% |
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