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Greenwich, Ohio
Inside Greenwich's city limits, a shallow water table limits basements on 96% of mapped land, the 2nd-highest of 9 cities in Huron County. Shrink-swell clay limits houses without basements on under 1%.
That water-table share is above Huron County's 90%. FEMA's flood data list no flood losses since 2016 in ZIP code 44837 overlapping the city. Of its 609 homes, 69% were built before 1980; the median dates from 1960.
Data as of October 13, 2026 · sources · in Huron 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 Greenwich
Basement waterproofing in Greenwich: a shallow water table limits basements on 96% of Greenwich's mapped land, more than in 87% of Ohio cities.
About 500 of Greenwich's 609 homes are detached houses.
Soil under Greenwich city limits
| Expansive clay (limits slab homes) | under 0.1% |
| High water table (limits basements) | 95.8% |
| Septic fields very limited | 96.3% |
| Clay swell (LEP, by area) | 3.6% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 997 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Bennington | 54% | 99% |
| Centerburg | 21% | over 99% |
| Condit | 6% | n/a |
| Lobdell | 5% | n/a |
| Cardington | 5% | 99% |
| Orrville | 2% | n/a |
What the numbers mean here
On 96% of Greenwich's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 96% of the land very limited for septic absorption fields.
Drought in Huron County
0% of Huron 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 Greenwich. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44837 | 100% | 0 | $0 |
Homes in Greenwich
| Housing units | 609 |
| Median year built | 1960 |
| Built before 1980 | 69% |
| Built 2000 or later | 9% |
| Owner-occupied | 76% |
| Median value, owner-occupied | $121,600 |
| Single-family detached | 83% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Shiloh | 6 mi | 4% | 86% |
| New London | 7 mi | under 1% | 77% |
| North Fairfield | 7 mi | under 1% | 49% |
| Plymouth | 8 mi | under 1% | 71% |
| Savannah | 9 mi | under 1% | 68% |
| Bailey Lakes | 10 mi | 9% | 71% |
| Willard | 11 mi | under 1% | 99% |
| Shelby | 12 mi | 1% | 83% |
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