Hawkins County, Tennessee
USDA's soil survey flags shrink-swell clay on 0% of Hawkins County's mapped land and a shallow water table under basements on 10%, both below the national shares of 15% and 29%. None of the county is in drought on the October 13, 2026 Drought Monitor map.
FEMA's flood data list 8 flood losses here since 2016. 41% 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 Hawkins County
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 9.6% |
| Septic fields very limited | 80.8% |
| Clay swell (LEP, by area) | 2.8% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 319,291 acres |
| Soil series | Share here | Series nationally: expansive clay |
|---|---|---|
| Dandridge | 13% | n/a |
| Wallen | 8% | n/a |
| Dewey | 7% | 0% |
| Lehew | 6% | n/a |
| Talbott | 5% | n/a |
| Montevallo | 5% | n/a |
How we count · survey areas TN602 (2025-09-02)
What the numbers mean here
Rain over the 12 months to August 2026: 44.94 in, 3.18 in below the 1991-2020 average year of 48.12 in.
USDA rates 81% of the land very limited for septic absorption fields.
With shrink-swell clay on 0% and a shallow water table on 10% of the land, the soil survey points to neither problem across most of Hawkins County; conditions still vary lot by lot.
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 100% of its area, in 6 weeks, most recently on the May 26, 2026 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
8 flood losses since 2016, $92,002 paid. The worst year was 2019, with 5.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 0 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 48.12 in |
| 12 months to August 2026 | 44.94 in (-3.18) |
| 2025 | 44.16 in (-3.96) |
| Wettest year since 1895 | 2020: 62.75 in |
| Driest year since 1895 | 2007: 32.96 in |
| Days with 1 inch or more, normal at ROGERSVILLE 1 NE (4 mi away) | 12.9 |
Homes
| Housing units | 27,445 |
| Median year built | 1986 |
| Built before 1980 | 41% |
| Built 2000 or later | 23% |
| Owner-occupied | 80% |
| Median value, owner-occupied | $176,300 |
| Single-family detached | 68% |
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 |
|---|---|---|---|
| Hancock County, TN | 18 mi | 0% | 5% |
| Greene County, TN | 19 mi | 2% | 20% |
| Lee County, VA | 20 mi | 13% | 4% |
| Hamblen County, TN | 25 mi | 4% | 7% |
| Scott County, VA | 25 mi | 19% | 7% |
| Washington County, TN | 27 mi | 1% | 10% |
| Harlan County, KY | 32 mi | 0% | 1% |
| Grainger County, TN | 34 mi | 2% | 3% |
Sources: USDA SSURGO (September 2, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status