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Marengo, Ohio
Inside Marengo's city limits, a shallow water table limits basements on 97% of mapped land, the highest of 7 cities in Morrow County. Shrink-swell clay limits houses without basements on 0%.
That water-table share is above Morrow County's 87%. FEMA's flood data list no flood losses since 2016 in ZIP code 43334 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 Marengo
Basement waterproofing in Marengo: a shallow water table limits basements on 97% of Marengo's mapped land, more than in 89% of Ohio cities.
Soil under Marengo city limits
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 97.4% |
| Septic fields very limited | 99.3% |
| Clay swell (LEP, by area) | 3.2% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 108 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Cardington | 67% | 99% |
| Bennington | 18% | 99% |
| Shoals | 4% | n/a |
| Condit | 4% | n/a |
| Pewamo | 2% | 99% |
| Tioga | 2% | n/a |
What the numbers mean here
On 97% of Marengo's 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 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 Marengo. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43334 | 100% | 0 | $0 |
Homes
Marengo 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 |
|---|---|---|---|
| Fulton | 4 mi | 0% | 95% |
| Sparta | 6 mi | 8% | 45% |
| Ashley | 7 mi | 28% | 98% |
| Cardington | 8 mi | 12% | 96% |
| Chesterville | 9 mi | 0% | 14% |
| Centerburg | 9 mi | under 1% | 97% |
| Mount Gilead | 11 mi | 1% | 61% |
| Edison | 11 mi | 13% | 89% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026). Methods · Data status