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Catawba, Ohio
Inside Catawba's city limits, a shallow water table limits basements on 10% of mapped land. Shrink-swell clay limits houses without basements on 9%, the 5th-highest of 9 cities in Clark County.
That water-table share is below Clark County's 59%. FEMA's flood data list no flood losses since 2016 in ZIP code 43010 overlapping the city. Of its 126 homes, 71% were built before 1980; the median dates from 1955.
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 Catawba
Basement waterproofing in Catawba: a shallow water table limits basements on 10% of Catawba's mapped land.
In Clark County, 13% of the 23 flood-loss buildings with a recorded foundation type had basements.
About 100 of Catawba's 126 homes are detached houses.
Soil under Catawba city limits
| Expansive clay (limits slab homes) | 9.0% |
| High water table (limits basements) | 10.5% |
| Septic fields very limited | 12.0% |
| Clay swell (LEP, by area) | 4.6% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 150 acres |
What the numbers mean here
With shrink-swell clay on 9% and a shallow water table on 10% of the land, the soil survey points to neither problem across most of Catawba; conditions still vary lot by lot.
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 Catawba. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43010 | 100% | 0 | $0 |
Homes in Catawba
| Housing units | 126 |
| Median year built | 1955 |
| Built before 1980 | 71% |
| Built 2000 or later | 23% |
| Owner-occupied | 89% |
| Median value, owner-occupied | $136,900 |
| Single-family detached | 94% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| South Vienna | 5 mi | 30% | 69% |
| Mutual | 6 mi | 10% | 94% |
| Mechanicsburg | 6 mi | 3% | 82% |
| Urbana | 10 mi | 2% | 59% |
| Springfield | 10 mi | 6% | 31% |
| Tremont City | 11 mi | 4% | 53% |
| South Charleston | 12 mi | 11% | 63% |
| London | 12 mi | 36% | 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