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Harrod, Ohio
Inside Harrod's city limits, a shallow water table limits basements on 98% of mapped land, the 5th-highest of 9 cities in Allen County. Shrink-swell clay limits houses without basements on 25%, the 3rd-highest of 9 cities in Allen County.
That water-table share is above Allen County's 93%. FEMA's flood data list no flood losses since 2016 in ZIP code 45850 overlapping the city. Of its 173 homes, 68% were built before 1980; the median dates from 1951.
Data as of October 13, 2026 · sources · in Allen 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 Harrod
Basement waterproofing in Harrod: a shallow water table limits basements on 98% of Harrod's mapped land, more than in 91% of Ohio cities.
In Allen County, 14% of the 37 flood-loss buildings with a recorded foundation type had basements.
About 200 of Harrod's 173 homes are detached houses.
Soil under Harrod city limits
| Expansive clay (limits slab homes) | 24.9% |
| High water table (limits basements) | 98.1% |
| Septic fields very limited | 98.1% |
| Clay swell (LEP, by area) | 4.8% |
| High-swell land (LEP 6%+) | 1.3% |
| Mapped soil | 150 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.8% by land area here, and 1% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 25% of the mapped land.
On 98% of Harrod's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 98% of the land very limited for septic absorption fields.
Drought in Allen County
0% of Allen 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 Harrod. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45850 | 100% | 0 | $0 |
Homes in Harrod
| Housing units | 173 |
| Median year built | 1951 |
| Built before 1980 | 68% |
| Built 2000 or later | 20% |
| Owner-occupied | 73% |
| Median value, owner-occupied | $103,400 |
| Single-family detached | 88% |
Nearby cities
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