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Coosa County, Alabama

USDA's soil survey flags shrink-swell clay on 1% of Coosa 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, after 74% a week earlier.

FEMA's flood data list 1 flood losses here since 2016. 42% of homes were built before 1980, against 50% nationally; the median home dates from 1985.

Data as of October 13, 2026 · sources

1%

expansive clay: shrink-swell limits slab homes

10%

high water table: limits basements

0%

in drought, October 13, 2026

42%

of homes built before 1980

Soil under Coosa County

Expansive clay (limits slab homes)1.5%
High water table (limits basements)10.2%
Septic fields very limited64.8%
Clay swell (LEP, by area)2.0%
High-swell land (LEP 6%+)1.5%
Mapped soil426,480 acres
Soil seriesShare hereSeries nationally: expansive clay
Madison15%0%
Pacolet11%0%
Tallapoosa11%n/a
Louisa8%n/a
Fruithurst7%n/a
Rion6%n/a
Elmore County: 2%Tallapoosa County: 1%Chilton County: 3%Talladega County: 1%Clay County: 2%Shelby County: 2%Autauga County: 0%Chambers County: 0%Coosa County ElmoreTallapoosaChiltonTalladegaClayShelbyAutaugaChambersCoosa
Coosa County (heavy outline) and nearby counties, shaded by expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas AL037 (2025-09-09)

What the numbers mean here

Rain over the 12 months to August 2026: 44.46 in, 11.45 in below the 1991-2020 average year of 55.91 in.

USDA rates 65% of the land very limited for septic absorption fields.

With shrink-swell clay on 1% and a shallow water table on 10% of the land, the soil survey points to neither problem across most of Coosa 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 33 of the last 52 weeks; the most was 100% of its area, in 17 weeks, most recently on the May 19, 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 worse0%
D2 severe or worse0%
D3 extreme or worse0%
D4 exceptional0%

Flood losses since 2016

1 flood losses since 2016, $0 paid. The worst year was 2020, with 1.

YearFlood losses
20160
20170
20180
20190
20201
20210
20220
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202055.91 in
12 months to August 202644.46 in (-11.45)
202554.27 in (-1.64)
Wettest year since 18952009: 81.85 in
Driest year since 18952007: 31.48 in
Days with 1 inch or more, normal at ALEXANDER CITY (17 mi away)19.2

Homes

Housing units6,058
Median year built1985
Built before 198042%
Built 2000 or later25%
Owner-occupied82%
Median value, owner-occupied$115,500
Single-family detached63%

What repairs cost

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

WorkRangeSource
Foundation repair, US $2,200 to $8,200 Fixr, January 27, 2026
Pier-and-beam repair, US $2,000 to $15,000 Fixr, January 27, 2026
Foundation inspection, US $300 to $600 Fixr, January 31, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
Elmore County, AL 24 mi 2% 30%
Tallapoosa County, AL 26 mi 1% 13%
Chilton County, AL 29 mi 3% 19%
Talladega County, AL 31 mi 1% 20%
Clay County, AL 32 mi 2% 15%
Shelby County, AL 33 mi 2% 9%
Autauga County, AL 36 mi under 1% 27%
Chambers County, AL 49 mi under 1% 17%

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