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Wapakoneta, Ohio
Inside Wapakoneta's city limits, a shallow water table limits basements on 72% of mapped land, higher than 56% of Ohio cities. Shrink-swell clay limits houses without basements on 18%.
That water-table share is below Auglaize County's 94%. FEMA's flood data list 8 flood losses since 2016 in ZIP code 45895 overlapping the city. Of its 4,741 homes, 67% were built before 1980; the median dates from 1972.
Data as of October 13, 2026 · sources · in Auglaize 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 Wapakoneta
Basement waterproofing in Wapakoneta: a shallow water table limits basements on 72% of Wapakoneta's mapped land, more than in 56% of Ohio cities, and the ZIP code overlapping Wapakoneta logged 8 FEMA flood losses since 2016.
About 3,500 of Wapakoneta's 4,741 homes are detached houses.
Soil under Wapakoneta city limits
| Expansive clay (limits slab homes) | 18.2% |
| High water table (limits basements) | 71.7% |
| Septic fields very limited | 73.7% |
| Clay swell (LEP, by area) | 4.6% |
| High-swell land (LEP 6%+) | 2.3% |
| Urban land, not rated | 19.5% |
| Mapped soil | 4,291 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.6% by land area here, and 2% 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 72% of Wapakoneta's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 74% of the land very limited for septic absorption fields.
Drought in Auglaize County
0% of Auglaize 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 Wapakoneta. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45895 | 100% | 8 | $646,158 |
Homes in Wapakoneta
| Housing units | 4,741 |
| Median year built | 1972 |
| Built before 1980 | 67% |
| Built 2000 or later | 11% |
| Owner-occupied | 68% |
| Median value, owner-occupied | $158,400 |
| Single-family detached | 74% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Buckland | 5 mi | 16% | 79% |
| Cridersville | 6 mi | 23% | 90% |
| Botkins | 8 mi | 20% | 89% |
| New Knoxville | 8 mi | 32% | over 99% |
| Kettlersville | 10 mi | 40% | 99% |
| St. Marys | 11 mi | 11% | 68% |
| Waynesfield | 12 mi | 21% | over 99% |
| Anna | 12 mi | 22% | 97% |
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