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Senecaville, Ohio
Inside Senecaville's city limits, a shallow water table limits basements on 67% of mapped land, the 3rd-highest of 9 cities in Guernsey County. Shrink-swell clay limits houses without basements on 24%, the 5th-highest of 9 cities in Guernsey County.
That water-table share is above Guernsey County's 34%. FEMA's flood data list no flood losses since 2016 in ZIP code 43780 overlapping the city. Of its 216 homes, 75% were built before 1980; the median dates from 1945.
Data as of October 13, 2026 · sources · in Guernsey 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 Senecaville
Basement waterproofing in Senecaville: a shallow water table limits basements on 67% of Senecaville's mapped land, more than in 52% of Ohio cities.
About 200 of Senecaville's 216 homes are detached houses.
Soil under Senecaville city limits
| Expansive clay (limits slab homes) | 23.6% |
| High water table (limits basements) | 67.2% |
| Septic fields very limited | 97.7% |
| Clay swell (LEP, by area) | 3.4% |
| High-swell land (LEP 6%+) | 20.7% |
| Mapped soil | 303 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Zanesville | 30% | 97% |
| Dekalb | 14% | n/a |
| Zipp | 13% | n/a |
| Sarahsville | 7% | n/a |
| Wellston | 7% | under 1% |
| Lindside | 7% | n/a |
What the numbers mean here
Clay swell averages a linear extensibility of 3.4% by land area here, and 21% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 24% of the mapped land.
On 67% of Senecaville'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 Guernsey County
0% of Guernsey 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 Senecaville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43780 | 100% | 0 | $0 |
Homes in Senecaville
| Housing units | 216 |
| Median year built | 1945 |
| Built before 1980 | 75% |
| Built 2000 or later | 13% |
| Owner-occupied | 83% |
| Median value, owner-occupied | $121,400 |
| Single-family detached | 88% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Lore City | 3 mi | 16% | 64% |
| Pleasant City | 5 mi | 21% | 68% |
| Byesville | 5 mi | 3% | 21% |
| Old Washington | 7 mi | 62% | 38% |
| Sarahsville | 9 mi | 41% | 42% |
| Quaker City | 9 mi | 36% | 59% |
| Cambridge | 9 mi | 5% | 29% |
| Batesville | 9 mi | 59% | 37% |
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