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Donnelsville, Ohio
Inside Donnelsville's city limits, a shallow water table limits basements on 74% of mapped land, the 2nd-highest of 9 cities in Clark County. Shrink-swell clay limits houses without basements on 3%.
That water-table share is above Clark County's 59%. FEMA's flood data list no flood losses since 2016 in ZIP code 45319 overlapping the city. Of its 122 homes, 78% were built before 1980; the median dates from 1939 or earlier.
Data as of October 13, 2026 · sources · in Clark 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 Donnelsville
Basement waterproofing in Donnelsville: a shallow water table limits basements on 74% of Donnelsville's mapped land, more than in 59% of Ohio cities.
In Clark County, 13% of the 23 flood-loss buildings with a recorded foundation type had basements.
About 100 of Donnelsville's 122 homes are detached houses.
Soil under Donnelsville city limits
| Expansive clay (limits slab homes) | 3.2% |
| High water table (limits basements) | 74.4% |
| Septic fields very limited | 87.9% |
| Clay swell (LEP, by area) | 4.5% |
| High-swell land (LEP 6%+) | 0.4% |
| Mapped soil | 204 acres |
What the numbers mean here
On 74% of Donnelsville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 88% of the land very limited for septic absorption fields.
Drought in Clark County
0% of Clark 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 Donnelsville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45319 | 98% | 0 | $0 |
Homes in Donnelsville
| Housing units | 122 |
| Median year built | 1939 or earlier |
| Built before 1980 | 78% |
| Built 2000 or later | 3% |
| Owner-occupied | 72% |
| Median value, owner-occupied | $142,200 |
| Single-family detached | 89% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Enon | 3 mi | 8% | 39% |
| New Carlisle | 5 mi | 44% | 32% |
| North Hampton | 5 mi | 11% | 77% |
| Springfield | 8 mi | 6% | 31% |
| Yellow Springs | 9 mi | 7% | 66% |
| Fairborn | 9 mi | 2% | 32% |
| Tremont City | 9 mi | 4% | 53% |
| Huber Heights | 10 mi | 14% | 67% |
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