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South Point, Ohio
Inside South Point's city limits, a shallow water table limits basements on 14% of mapped land, the 2nd-highest of 7 cities in Lawrence County. Shrink-swell clay limits houses without basements on 2%, the 3rd-highest of 7 cities in Lawrence County.
That water-table share is close to Lawrence County's 11%. FEMA's flood data list 6 flood losses since 2016 in ZIP code 45680 overlapping the city. Of its 1,441 homes, 55% were built before 1980; the median dates from 1978.
Data as of October 13, 2026 · sources · in Lawrence 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 South Point
Basement waterproofing in South Point: a shallow water table limits basements on 14% of South Point's mapped land, and the ZIP code overlapping South Point logged 6 FEMA flood losses since 2016.
About 1,200 of South Point's 1,441 homes are detached houses.
Soil under South Point city limits
| Expansive clay (limits slab homes) | 2.3% |
| High water table (limits basements) | 14.2% |
| Septic fields very limited | 65.8% |
| Clay swell (LEP, by area) | 2.2% |
| High-swell land (LEP 6%+) | 2.1% |
| Urban land, not rated | 5.3% |
| Mapped soil | 2,064 acres |
What the numbers mean here
USDA rates 66% of the land very limited for septic absorption fields.
With shrink-swell clay on 2% and a shallow water table on 14% of the land, the soil survey points to neither problem across most of South Point; conditions still vary lot by lot.
Drought in Lawrence County
0% of Lawrence 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 South Point. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 45680 | 100% | 6 | $70,143 |
Homes in South Point
| Housing units | 1,441 |
| Median year built | 1978 |
| Built before 1980 | 55% |
| Built 2000 or later | 25% |
| Owner-occupied | 76% |
| Median value, owner-occupied | $184,000 |
| Single-family detached | 82% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Coal Grove | 6 mi | 2% | 4% |
| Chesapeake | 7 mi | 28% | 5% |
| Ironton | 9 mi | 2% | 3% |
| Proctorville | 11 mi | 0% | 31% |
| Hanging Rock | 12 mi | 1% | 7% |
| Athalia | 16 mi | 26% | 8% |
| Crown City | 19 mi | 19% | 21% |
| South Webster | 29 mi | 6% | 67% |
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