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Montpelier, Ohio
Inside Montpelier's city limits, a shallow water table limits basements on 94% of mapped land, the 4th-highest of 9 cities in Williams County. Shrink-swell clay limits houses without basements on 13%.
That water-table share is close to Williams County's 95%. FEMA's flood data list 2 flood losses since 2016 in ZIP code 43543 overlapping the city. Of its 1,798 homes, 82% were built before 1980; the median dates from 1952.
Data as of October 13, 2026 · sources · in Williams 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 Montpelier
Basement waterproofing in Montpelier: a shallow water table limits basements on 94% of Montpelier's mapped land, more than in 83% of Ohio cities, and the ZIP code overlapping Montpelier logged 2 FEMA flood losses since 2016.
About 1,400 of Montpelier's 1,798 homes are detached houses.
Soil under Montpelier city limits
| Expansive clay (limits slab homes) | 13.5% |
| High water table (limits basements) | 93.9% |
| Septic fields very limited | 94.1% |
| Clay swell (LEP, by area) | 4.3% |
| High-swell land (LEP 6%+) | 4.3% |
| Urban land, not rated | 3.8% |
| Mapped soil | 1,846 acres |
What the numbers mean here
On 94% of Montpelier's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 94% of the land very limited for septic absorption fields.
Drought in Williams County
0% of Williams 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 Montpelier. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43543 | 100% | 2 | $2,359 |
Homes in Montpelier
| Housing units | 1,798 |
| Median year built | 1952 |
| Built before 1980 | 82% |
| Built 2000 or later | 9% |
| Owner-occupied | 66% |
| Median value, owner-occupied | $106,900 |
| Single-family detached | 76% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Holiday City | 4 mi | 21% | 93% |
| Pioneer | 7 mi | 21% | 89% |
| Bryan | 8 mi | 57% | 90% |
| Blakeslee | 8 mi | 12% | 100% |
| West Unity | 8 mi | 27% | 87% |
| Edon | 9 mi | 17% | 99% |
| Stryker | 11 mi | 14% | 98% |
| Edgerton | 12 mi | 14% | 57% |
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