Hardin County, Tennessee
A shallow water table limits basements on 36% of Hardin County's mapped land, a higher share than 55% of US counties. Shrink-swell clay limits houses without basements on 2%.
100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 89 flood losses here since 2016, 3% of them in buildings with basements. 43% of homes were built before 1980, against 50% nationally; the median home dates from 1986.
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 Hardin County
| Expansive clay (limits slab homes) | 1.5% |
| High water table (limits basements) | 36.0% |
| Septic fields very limited | 77.5% |
| Clay swell (LEP, by area) | 2.5% |
| High-swell land (LEP 6%+) | 2.1% |
| Mapped soil | 380,900 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Luverne | 10% | n/a |
| Saffell | 9% | n/a |
| Pickwick | 8% | n/a |
| Paden | 8% | n/a |
| Bodine | 6% | 0% |
| Etowah | 6% | n/a |
How we count · survey areas TN071 (2025-08-28)
What the numbers mean here
On 36% of Hardin 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: 44.38 in, 11.87 in below the 1991-2020 average year of 56.25 in.
USDA rates 78% of the land very limited for septic absorption fields.
Drought
100% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 36 of the last 52 weeks; the most was 100% of its area, in 25 weeks, most recently on the October 13, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 100% |
| D1 moderate drought or worse | 100% |
| D2 severe or worse | 100% |
| D3 extreme or worse | 52.6% |
| D4 exceptional | 0% |
Flood losses since 2016
89 flood losses since 2016, $2.5 million paid. The worst year was 2019, with 68. Foundations of the buildings, where recorded: 3% basements, 3% slabs, 10% crawl spaces, 83% elevated. Median water depth outside the building: 109 in.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 2 |
| 2019 | 68 |
| 2020 | 15 |
| 2021 | 3 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 1 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 56.25 in |
| 12 months to August 2026 | 44.38 in (-11.87) |
| 2025 | 47.98 in (-8.27) |
| Wettest year since 1895 | 1991: 78.13 in |
| Driest year since 1895 | 1941: 34.12 in |
| Days with 1 inch or more, normal at SAVANNAH 6 SW (8 mi away) | 18.7 |
Homes
| Housing units | 15,161 |
| Median year built | 1986 |
| Built before 1980 | 43% |
| Built 2000 or later | 24% |
| Owner-occupied | 78% |
| Median value, owner-occupied | $160,400 |
| Single-family detached | 77% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Wayne County, TN | 21 mi | 1% | 8% |
| McNairy County, TN | 21 mi | 5% | 38% |
| Decatur County, TN | 28 mi | 1% | 46% |
| Chester County, TN | 28 mi | 4% | 45% |
| Alcorn County, MS | 31 mi | 2% | 63% |
| Tishomingo County, MS | 32 mi | 0% | 28% |
| Henderson County, TN | 33 mi | 1% | 40% |
| Perry County, TN | 37 mi | 4% | 9% |
Sources: USDA SSURGO (August 28, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status