Lawrence County, Tennessee
A shallow water table limits basements on 21% of Lawrence County's mapped land. Shrink-swell clay limits houses without basements on 0%.
100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list no flood losses here since 2016. 46% of homes were built before 1980, against 50% nationally; the median home dates from 1983.
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 Lawrence County
| Expansive clay (limits slab homes) | 0.0% |
| High water table (limits basements) | 21.2% |
| Septic fields very limited | 64.9% |
| Clay swell (LEP, by area) | 1.8% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 395,400 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Bodine | 37% | 0% |
| Sugargrove | 19% | n/a |
| Greendale | 5% | n/a |
| Dickson | 4% | n/a |
| Mountview | 4% | n/a |
| Lobelville | 3% | n/a |
How we count · survey areas TN099 (2025-08-28)
What the numbers mean here
On 21% of Lawrence 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: 50.39 in, 7.87 in below the 1991-2020 average year of 58.26 in.
USDA rates 65% 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 34 of the last 52 weeks; the most was 100% of its area, in 22 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 | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
FEMA's flood data list no flood losses in Lawrence County since 2016.
Rain
| Average year, 1991-2020 | 58.26 in |
| 12 months to August 2026 | 50.39 in (-7.87) |
| 2025 | 50.52 in (-7.74) |
| Wettest year since 1895 | 2004: 75.82 in |
| Driest year since 1895 | 1941: 34.31 in |
| Days with 1 inch or more, normal at PULASKI WWTP (20 mi away) | 18.2 |
Homes
| Housing units | 18,730 |
| Median year built | 1983 |
| Built before 1980 | 46% |
| Built 2000 or later | 21% |
| Owner-occupied | 78% |
| Median value, owner-occupied | $194,400 |
| Single-family detached | 78% |
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 |
|---|---|---|---|
| Giles County, TN | 20 mi | 11% | 20% |
| Lewis County, TN | 22 mi | under 1% | 17% |
| Wayne County, TN | 24 mi | 1% | 8% |
| Lauderdale County, AL | 26 mi | 0% | 32% |
| Maury County, TN | 33 mi | 8% | 9% |
| Limestone County, AL | 36 mi | 1% | 42% |
| Marshall County, TN | 39 mi | 21% | 10% |
| Hickman County, TN | 41 mi | 1% | 10% |
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