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Pleasant Hill, Ohio
Inside Pleasant Hill's city limits, a shallow water table limits basements on 37% of mapped land. Shrink-swell clay limits houses without basements on 29%, the 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 ZIP code 45359 overlapping the city. Of its 562 homes, 78% were built before 1980; the median dates from 1952.
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 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Pleasant Hill
Basement waterproofing in Pleasant Hill: a shallow water table limits basements on 37% of Pleasant Hill's mapped land.
About 500 of Pleasant Hill's 562 homes are detached houses.
Soil under Pleasant Hill city limits
| Expansive clay (limits slab homes) | 29.5% |
| High water table (limits basements) | 37.1% |
| Septic fields very limited | 94.7% |
| Clay swell (LEP, by area) | 5.6% |
| High-swell land (LEP 6%+) | 25.1% |
| Mapped soil | 404 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Milton | 57% | n/a |
| Randolph | 27% | n/a |
| Millsdale | 8% | n/a |
| Brookston | 2% | n/a |
| Eldean | 1% | 0% |
| Ritchey soils on 2 to 6 percent slopes | 1% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 5.6% by land area here, and 25% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 29% of the mapped land.
On 37% of Pleasant Hill's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 95% 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 Pleasant Hill. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45359 | 100% | 0 | $0 |
Homes in Pleasant Hill
| Housing units | 562 |
| Median year built | 1952 |
| Built before 1980 | 78% |
| Built 2000 or later | 11% |
| Owner-occupied | 75% |
| Median value, owner-occupied | $176,000 |
| Single-family detached | 86% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Ludlow Falls | 4 mi | 3% | 16% |
| Covington | 5 mi | 15% | 44% |
| Laura | 5 mi | 6% | 97% |
| West Milton | 6 mi | 21% | 38% |
| Troy | 6 mi | 13% | 61% |
| Bradford | 7 mi | 9% | 86% |
| Potsdam | 7 mi | 24% | 100% |
| Piqua | 8 mi | 14% | 72% |
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