Walker County, Alabama · Jasper
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With 19% of homes built before 1960 and about 4 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
Heavy rain days of an inch or more come about 15.2 times a year here, most often in February. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Walker County gets about 15.2 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Walker County, 3.96 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
7% of occupied homes in Walker County heat mainly with wood or propane, below the Alabama county median of 9.9%.
Muggy summer nights, lows of 65°F or more, come about 102 times a year in Walker County. Mold after a leak spreads fastest from June through August.
Local risk profile
Walker County covers 791 square miles of northwest Alabama, with about 64,841 residents and 30,366 homes. The county seat is Jasper, and Dora, Sumiton and Carbon Hill round out the largest towns. Half the homes here were built before 1983, half after.
64/100 Water Damage Risk Index: Elevated Walker County ranks 11 of 67 Alabama counties. See the statewide ranking and method.The three factors where Walker County ranks highest compared with other Alabama counties.
Walker County gets more hard-freeze nights than most of Alabama. In the 2015–2024 record the county logged about 4 nights a year at or below 20°F (12th of 67) and 49 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
Most freezing nights fall from January, peaking in January. Disconnect garden hoses and shut off outdoor spigots before the first hard frost, and keep the heat at 55°F or higher if you'll be away.
Freezing nights typically start around Nov 11 and end around Mar 18.
Rainfall is about average for Alabama. Of roughly 58 inches of yearly precipitation, the damage comes from the 15.2 days a year with an inch or more, ranked 30th of 67. February, April and December see the most. The single wettest day in the record: 3.96 inches, December 28, 2018. The worst three-day stretch dropped 6.14 inches, ending September 15, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
About 48 days a year swing from below freezing at night to above freezing by day. Those freeze-thaw cycles feed ice dams on roofs, open cracks in foundations and driveways, and stress pipes that are already marginal.
Housing
46% of homes in Walker County predate 1980, close to the Alabama county median of 43.5%, which ranks 24th of Alabama's 67 counties.
Older and newer homes sit side by side here: 19% predate 1960 and 23% are from 2000 or later. Corroded pipe is the typical failure in the first group, burst supply hoses in the second.
31% date from 1980 to 1999, the window when polybutylene, a gray flexible plastic supply pipe, was used in some homes. It's prone to leaks at the fittings, so it's worth checking for in a house from those years.
27% of homes are manufactured or mobile homes, above the Alabama county median of 21.7%. Their water lines run under the floor behind the skirting, so a torn skirt or failed heat tape freezes them faster than lines in a site-built house.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 102 times a year here, close to the Alabama county median of 112. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectBy main heating fuel, Walker County homes break down as 11% utility gas, 81% electric, 6% propane and 1% wood. Most homes here heat with gas or electricity, so cooking and electrical faults are the likelier fire sources. Even a contained kitchen fire can send soot through the ductwork to every room.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Walker County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Marion and Winston get more pipe-freeze nights than Walker. Jefferson County has the oldest housing nearby, with 59% of homes built before 1980.
By the numbers
| Factor | Walker | Alabama median | Rank |
|---|---|---|---|
| Homes built before 1960 | 19% | 16% | 17 of 67 |
| Homes built before 1980 | 46% | 44% | 24 of 67 |
| Homes built 2000 or later | 23% | 23% | 32 of 67 |
| Manufactured or mobile homes | 27% | 22% | 15 of 67 |
| Vacant homes | 16% | 16% | 33 of 67 |
| Wood or propane heat | 7% | 9.9% | 43 of 67 |
| Nights at 20°F or colder | 4/yr | 3/yr | 12 of 67 |
| Days with 1 inch+ of rain | 15/yr | 15/yr | 30 of 67 |
| Freeze-thaw days | 48/yr | 38/yr | 10 of 67 |
| Muggy nights (65°F+) | 102/yr | 112/yr | 43 of 67 |
Rank 1 is the highest value. Bars run from the lowest to the highest Alabama county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Walker County: freezing from January, heavy rain in February, April and December.
Sources: U.S. Census Bureau, ACS 2024 5-year estimates (2020-2024); weather from NOAA nClimGrid-Daily county averages (EpiNOAA), 2015–2024, averaged across the county; county boundaries from Census TIGER. Reviewed 2026-10-21. Methodology