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Sparta, Ohio
Inside Sparta's city limits, a shallow water table limits basements on 45% of mapped land. Shrink-swell clay limits houses without basements on 8%, the 3rd-highest of 7 cities in Morrow County.
That water-table share is below Morrow County's 87%. FEMA's flood data list no flood losses since 2016 in ZIP code 43350 overlapping the city.
Data as of October 13, 2026 · sources · in Morrow County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
Basement waterproofing in Sparta
Basement waterproofing in Sparta: a shallow water table limits basements on 45% of Sparta's mapped land.
Soil under Sparta city limits
| Expansive clay (limits slab homes) | 7.7% |
| High water table (limits basements) | 44.5% |
| Septic fields very limited | 91.2% |
| Clay swell (LEP, by area) | 4.3% |
| High-swell land (LEP 6%+) | 0.8% |
| Mapped soil | 56 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Amanda | 47% | 40% |
| Centerburg | 27% | over 99% |
| Bennington | 7% | 99% |
| Pewamo | 7% | 99% |
| Condit | 7% | n/a |
| Chili | 3% | 0% |
What the numbers mean here
On 45% of Sparta's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 91% of the land very limited for septic absorption fields.
Drought in Morrow County
0% of Morrow 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 Sparta. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43350 | 100% | 0 | $0 |
Homes
Sparta has fewer than 100 housing units in the ACS 2020-2024 estimates, too few for reliable shares.
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Chesterville | 6 mi | 0% | 14% |
| Marengo | 6 mi | 0% | 97% |
| Centerburg | 6 mi | under 1% | 97% |
| Fulton | 8 mi | 0% | 95% |
| Fredericktown | 10 mi | 0% | 44% |
| Hartford (Croton) | 11 mi | 0% | 90% |
| Mount Vernon | 12 mi | under 1% | 53% |
| Cardington | 12 mi | 12% | 96% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026). Methods · Data status