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Dennison, Ohio
Inside Dennison's city limits, a shallow water table limits basements on 45% of mapped land. Shrink-swell clay limits houses without basements on 2%.
That water-table share is close to Tuscarawas County's 42%. FEMA's flood data list 3 flood losses since 2016 in ZIP code 44621 overlapping the city. Of its 1,071 homes, 86% were built before 1980; the median dates from 1950.
Data as of October 13, 2026 · sources · in Tuscarawas 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 Dennison
Basement waterproofing in Dennison: a shallow water table limits basements on 45% of Dennison's mapped land, and the ZIP code overlapping Dennison logged 3 FEMA flood losses since 2016.
About 800 of Dennison's 1,071 homes are detached houses.
Soil under Dennison city limits
| Expansive clay (limits slab homes) | 2.5% |
| High water table (limits basements) | 45.1% |
| Septic fields very limited | 77.9% |
| Clay swell (LEP, by area) | 3.3% |
| High-swell land (LEP 6%+) | 2.5% |
| Urban land, not rated | 10.8% |
| Mapped soil | 866 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Fitchville | 21% | 96% |
| Berks | 11% | under 1% |
| Westmoreland | 10% | 0% |
| Glenford | 10% | 97% |
| Nolin | 8% | n/a |
| Canadice | 7% | n/a |
What the numbers mean here
On 45% of Dennison's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 78% of the land very limited for septic absorption fields.
Drought in Tuscarawas County
0% of Tuscarawas 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 Dennison. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44621 | 98% | 3 | $4,635 |
Homes in Dennison
| Housing units | 1,071 |
| Median year built | 1950 |
| Built before 1980 | 86% |
| Built 2000 or later | 4% |
| Owner-occupied | 54% |
| Median value, owner-occupied | $102,700 |
| Single-family detached | 77% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Uhrichsville | 1 mi | 2% | 59% |
| Midvale | 3 mi | 1% | 50% |
| Tuscarawas | 4 mi | 0% | 13% |
| Barnhill | 4 mi | 0% | 61% |
| Roswell | 6 mi | 8% | 83% |
| Gnadenhutten | 6 mi | 2% | 19% |
| Leesville | 7 mi | 0% | 78% |
| Bowerston | 8 mi | 3% | 60% |
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