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St. Paris, Ohio
Inside St. Paris' city limits, a shallow water table limits basements on 99% of mapped land, the 3rd-highest of 7 cities in Champaign County. Shrink-swell clay limits houses without basements on 21%, the 3rd-highest of 7 cities in Champaign County.
That water-table share is above Champaign County's 83%. FEMA's flood data list no flood losses since 2016 in ZIP code 43072 overlapping the city. Of its 1,006 homes, 71% were built before 1980; the median dates from 1944.
Data as of October 13, 2026 · sources · in Champaign 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 St. Paris
Basement waterproofing in St. Paris: a shallow water table limits basements on 99% of St. Paris' mapped land, more than in 93% of Ohio cities.
About 700 of St. Paris' 1,006 homes are detached houses.
Soil under St. Paris city limits
| Expansive clay (limits slab homes) | 20.7% |
| High water table (limits basements) | 99.0% |
| Septic fields very limited | 99.4% |
| Clay swell (LEP, by area) | 4.2% |
| High-swell land (LEP 6%+) | 2.1% |
| Mapped soil | 1,036 acres |
What the numbers mean here
Clay swell averages a linear extensibility of 4.2% by land area here, and 2% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 21% of the mapped land.
On 99% of St. Paris' mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 99% of the land very limited for septic absorption fields.
Drought in Champaign County
0% of Champaign 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 St. Paris. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43072 | 100% | 0 | $0 |
Homes in St. Paris
| Housing units | 1,006 |
| Median year built | 1944 |
| Built before 1980 | 71% |
| Built 2000 or later | 9% |
| Owner-occupied | 68% |
| Median value, owner-occupied | $160,200 |
| Single-family detached | 71% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Christiansburg | 6 mi | 24% | over 99% |
| Fletcher | 8 mi | 9% | 99% |
| North Hampton | 10 mi | 11% | 77% |
| Casstown | 10 mi | 0% | 37% |
| Tremont City | 10 mi | 4% | 53% |
| Urbana | 11 mi | 2% | 59% |
| Quincy | 12 mi | 7% | 82% |
| New Carlisle | 13 mi | 44% | 32% |
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