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Grenada County, Mississippi

A shallow water table limits basements on 53% of Grenada County's mapped land, a higher share than 69% of US counties. Shrink-swell clay limits houses without basements on 4%.

100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 9 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

4%

expansive clay: shrink-swell limits slab homes

53%

high water table: limits basements

100%

in drought, October 13, 2026

46%

of homes built before 1980

Soil under Grenada County

Expansive clay (limits slab homes)4.2%
High water table (limits basements)52.6%
Septic fields very limited88.5%
Clay swell (LEP, by area)2.4%
High-swell land (LEP 6%+)5.8%
Mapped soil286,600 acres
Soil seriesShare hereSeries nationally: high water table
Falaya18%n/a
Memphis9%0%
Waverly7%n/a
Ruston6%n/a
Collins5%n/a
Loring5%99%
Yalobusha County: 55%Montgomery County: 61%Carroll County: 52%Tallahatchie County: 69%Calhoun County: 69%Webster County: 71%Leflore County: 79%Panola County: 64%Grenada County YalobushaMontgomeryCarrollTallahatchieCalhounWebsterLeflorePanolaGrenada
Grenada County (heavy outline) and nearby counties, shaded by high water table share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas MS043 (2025-09-04)

What the numbers mean here

On 53% of Grenada 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: 34.76 in, 22.44 in below the 1991-2020 average year of 57.20 in.

USDA rates 89% 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 52 of the last 52 weeks; the most was 100% of its area, in 45 weeks, most recently on the October 13, 2026 map.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026
Category, October 13, 2026Share of county
D0 abnormally dry or worse100%
D1 moderate drought or worse100%
D2 severe or worse89.1%
D3 extreme or worse20.1%
D4 exceptional0%

Flood losses since 2016

9 flood losses since 2016, $136,621 paid. The worst year was 2019, with 6.

YearFlood losses
20160
20171
20180
20196
20201
20211
20220
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202057.20 in
12 months to August 202634.76 in (-22.44)
202549.80 in (-7.40)
Wettest year since 18951973: 76.01 in
Driest year since 18951943: 32.38 in
Days with 1 inch or more, normal at GRENADA (1 mi away)19.4

Homes

Housing units10,444
Median year built1983
Built before 198046%
Built 2000 or later21%
Owner-occupied67%
Median value, owner-occupied$132,200
Single-family detached71%

What repairs cost

Published ranges from cost guides, not quotes. More sources, and where they disagree.

WorkRangeSource
Basement waterproofing, US $3,000 to $10,000 Fixr, February 6, 2026
Sump pump installation, US $800 to $2,000 Fixr, January 31, 2025
Crawl space encapsulation, US $2,000 to $8,000 Fixr, August 29, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
Yalobusha County, MS 19 mi 2% 55%
Montgomery County, MS 21 mi 1% 61%
Carroll County, MS 24 mi 3% 52%
Tallahatchie County, MS 25 mi 35% 69%
Calhoun County, MS 29 mi 11% 69%
Webster County, MS 32 mi 13% 71%
Leflore County, MS 32 mi 61% 79%
Panola County, MS 42 mi 5% 64%

Sources: USDA SSURGO (September 4, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status