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Farmersville, Ohio
Inside Farmersville's city limits, a shallow water table limits basements on 95% of mapped land, the 4th-highest of 19 cities in Montgomery County. Shrink-swell clay limits houses without basements on 18%.
That water-table share is above Montgomery County's 65%. FEMA's flood data list 3 flood losses since 2016 in ZIP code 45325 overlapping the city. Of its 390 homes, 81% were built before 1980; the median dates from 1964.
Data as of October 13, 2026 · sources · in Montgomery 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 Farmersville
Basement waterproofing in Farmersville: a shallow water table limits basements on 95% of Farmersville's mapped land, more than in 85% of Ohio cities, and the ZIP code overlapping Farmersville logged 3 FEMA flood losses since 2016.
In Montgomery County, 65% of the 48 flood-loss buildings with a recorded foundation type had basements.
About 400 of Farmersville's 390 homes are detached houses.
Soil under Farmersville city limits
| Expansive clay (limits slab homes) | 17.9% |
| High water table (limits basements) | 94.7% |
| Septic fields very limited | 99.6% |
| Clay swell (LEP, by area) | 4.6% |
| High-swell land (LEP 6%+) | 5.5% |
| Mapped soil | 458 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.6% by land area here, and 6% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 18% of the mapped land.
On 95% of Farmersville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates over 99% of the land very limited for septic absorption fields.
Drought in Montgomery County
0% of Montgomery 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 Farmersville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45325 | 100% | 3 | $69,182 |
Homes in Farmersville
| Housing units | 390 |
| Median year built | 1964 |
| Built before 1980 | 81% |
| Built 2000 or later | 9% |
| Owner-occupied | 83% |
| Median value, owner-occupied | $159,200 |
| Single-family detached | 92% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Germantown | 5 mi | 5% | 59% |
| New Lebanon | 5 mi | 31% | 95% |
| Gratis | 6 mi | 7% | 88% |
| West Alexandria | 7 mi | 16% | 78% |
| Carlisle | 9 mi | under 1% | 13% |
| Miamisburg | 9 mi | 12% | 57% |
| West Carrollton | 9 mi | 3% | 22% |
| West Elkton | 9 mi | 2% | 81% |
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