Huron County, Ohio
A shallow water table limits basements on 90% of Huron County's mapped land, a higher share than 96% of US counties. Shrink-swell clay limits houses without basements on 2%.
None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 3 flood losses here since 2016. 67% of homes were built before 1980, against 50% nationally; the median home dates from 1968.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Huron County
| Expansive clay (limits slab homes) | 1.7% |
| High water table (limits basements) | 89.7% |
| Septic fields very limited | 95.4% |
| Clay swell (LEP, by area) | 3.5% |
| High-swell land (LEP 6%+) | 0.8% |
| Mapped soil | 317,517 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Bennington | 35% | 99% |
| Cardington | 20% | 99% |
| Condit | 8% | n/a |
| Pewamo | 6% | 99% |
| Chili | 3% | 0% |
| Lobdell | 2% | n/a |
How we count · survey areas OH077 (2025-08-29)
What the numbers mean here
On 90% of Huron County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Rain over the 12 months to August 2026: 36.61 in, 2.62 in below the 1991-2020 average year of 39.23 in.
USDA rates 95% of the land very limited for septic absorption fields.
Drought
0% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 24 of the last 52 weeks; the most was 64.5% of its area, on the October 28, 2025 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 0% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
3 flood losses since 2016, $25,440 paid. The worst year was 2023, with 1.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 39.23 in |
| 12 months to August 2026 | 36.61 in (-2.62) |
| 2025 | 34.85 in (-4.38) |
| Wettest year since 1895 | 2011: 55.52 in |
| Driest year since 1895 | 1963: 21.40 in |
| Days with 1 inch or more, normal at NORWALK WWTP (8 mi away) | 7.8 |
Homes
| Housing units | 25,597 |
| Median year built | 1968 |
| Built before 1980 | 67% |
| Built 2000 or later | 13% |
| Owner-occupied | 74% |
| Median value, owner-occupied | $166,000 |
| Single-family detached | 73% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Cities in Huron County
| City | Expansive clay | High water table | Homes |
|---|---|---|---|
| Bellevue | 1% | 64% | 3,520 |
| Greenwich | under 1% | 96% | 609 |
| Monroeville | under 1% | 67% | 724 |
| New London | under 1% | 77% | 1,184 |
| North Fairfield | under 1% | 49% | 196 |
| Norwalk | under 1% | 66% | 7,898 |
| Plymouth | under 1% | 71% | 849 |
| Wakeman | under 1% | 85% | 459 |
| Willard | under 1% | 99% | 2,810 |
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Erie County, OH | 17 mi | 6% | 69% |
| Richland County, OH | 26 mi | 3% | 66% |
| Crawford County, OH | 27 mi | 3% | 93% |
| Ashland County, OH | 27 mi | 1% | 63% |
| Seneca County, OH | 28 mi | 26% | 89% |
| Lorain County, OH | 30 mi | 3% | 91% |
| Sandusky County, OH | 32 mi | 35% | 80% |
| Ottawa County, OH | 35 mi | 50% | 75% |
Sources: USDA SSURGO (August 29, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status