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Zanesville, Ohio
Inside Zanesville's city limits, a shallow water table limits basements on 18% of mapped land. Shrink-swell clay limits houses without basements on 3%.
That water-table share is below Muskingum County's 39%. FEMA's flood data list 19 flood losses since 2016 in ZIP code 43701 overlapping the city. Of its 12,236 homes, 75% were built before 1980; the median dates from 1950.
Data as of October 13, 2026 · sources · in Muskingum 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 Zanesville
Basement waterproofing in Zanesville: a shallow water table limits basements on 18% of Zanesville's mapped land, and the ZIP code overlapping Zanesville logged 19 FEMA flood losses since 2016.
In Muskingum County, 41% of the 34 flood-loss buildings with a recorded foundation type had basements.
About 7,500 of Zanesville's 12,236 homes are detached houses.
Soil under Zanesville city limits
| Expansive clay (limits slab homes) | 3.1% |
| High water table (limits basements) | 18.3% |
| Septic fields very limited | 46.7% |
| Clay swell (LEP, by area) | 2.8% |
| High-swell land (LEP 6%+) | 3.1% |
| Urban land, not rated | 23.1% |
| Mapped soil | 7,784 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Westmoreland | 10% | 0% |
| Glenford | 7% | 97% |
| Watertown | 6% | n/a |
| Wellston | 6% | under 1% |
| Alford | 5% | n/a |
| Chili | 4% | 0% |
What the numbers mean here
On 18% of Zanesville's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Drought in Muskingum County
0% of Muskingum 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 Zanesville. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43701 | over 99% | 19 | $602,799 |
Homes in Zanesville
| Housing units | 12,236 |
| Median year built | 1950 |
| Built before 1980 | 75% |
| Built 2000 or later | 9% |
| Owner-occupied | 44% |
| Median value, owner-occupied | $123,700 |
| Single-family detached | 61% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| South Zanesville | 4 mi | 7% | 26% |
| Philo | 9 mi | 6% | 12% |
| Fultonham | 10 mi | 0% | 51% |
| Adamsville | 10 mi | 2% | 82% |
| Gratiot | 11 mi | 0% | 90% |
| Roseville | 11 mi | 3% | 45% |
| Dresden | 11 mi | 6% | 55% |
| Norwich | 12 mi | 36% | 56% |
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