Jefferson County, Georgia · Louisville
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With 25% of homes built before 1960 and about 2 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
January brings the most downpours to Jefferson County, part of 12.2 heavy-rain days a year. Check the sump first.
25% of homes here predate 1960, when clay and cast iron sewer laterals were standard. Roots and cracks in those lines are a common cause of backups.
Jefferson County's wettest day in the 2015–2024 record brought 4.38 inches, and about 31 freeze-thaw days a year mean ice dams in some winters.
17% of occupied homes in Jefferson County heat mainly with wood or propane, above the Georgia county median of 7.1%.
With 111 muggy nights a year, mold in Jefferson County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 7,172 homes and around 15,341 residents, Jefferson County is 527 square miles of eastern Georgia. Besides Louisville, the county seat, the biggest communities are Wrens, Wadley and Stapleton. Half the homes here were built before 1981, half after.
67/100 Water Damage Risk Index: Elevated Jefferson County ranks 12 of 159 Georgia counties. See the statewide ranking and method.The three factors where Jefferson County ranks highest compared with other Georgia counties.
Jefferson County gets more hard-freeze nights than most of Georgia. It averaged 31 freezing nights a year over 2015–2024, 2 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 159 Georgia counties that's 48th.
Expect the hardest freezes in January, inside a season that runs January. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
Freezing nights typically start around Nov 20 and end around Mar 14.
Rainfall is about average for Georgia. The county gets about 49.4 inches of rain and melted snow a year, with 12.2 days of an inch or more (70th of 159). Those downpours cluster in January, February and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.38 inches on September 27, 2024. The worst three-day stretch dropped 6.88 inches, ending September 27, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
About 31 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
48% of homes in Jefferson County predate 1980, above the Georgia county median of 38.4%, which ranks 31st of Georgia's 159 counties.
In Jefferson County 25% of homes are older than 1960. If yours is one of them and the plumbing has never been replaced, expect galvanized steel supply pipe and cast iron drain lines, the two materials most likely to fail quietly.
The 1980s and 1990s account for 34% of the county's homes. If yours is from those decades, look under the sinks and at the water heater for gray plastic pipe stamped PB, which is polybutylene and leak-prone.
Manufactured and mobile homes make up 28% of the housing here. Water lines in the underbelly depend on intact skirting and working heat tape, and they're usually the first to freeze in a cold snap.
With 20% of homes empty at survey time, landlords and seasonal owners should shut off the main or schedule checks in winter. An unheated vacant house is also where many policies limit freeze coverage.
Beyond water
Jefferson County averages 111 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in August. 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 expectHeating fuel matters for fire risk. In Jefferson County it's 10% utility gas, 72% electric, 16% propane and 1% wood. Propane heat is above the Georgia norm. Annual chimney and vent inspection, which the NFPA recommends, is one of the most effective fire-prevention habits for these homes.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Jefferson County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Jefferson gets more pipe-freeze nights than any of its neighbors. Warren County has the oldest housing nearby, with 56% of homes built before 1980.
By the numbers
| Factor | Jefferson | Georgia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 25% | 15% | 11 of 159 |
| Homes built before 1980 | 48% | 38% | 31 of 159 |
| Homes built 2000 or later | 19% | 27% | 132 of 159 |
| Manufactured or mobile homes | 28% | 21% | 52 of 159 |
| Vacant homes | 20% | 14% | 34 of 159 |
| Wood or propane heat | 17% | 7.1% | 28 of 159 |
| Nights at 20°F or colder | 2/yr | 2/yr | 48 of 159 |
| Days with 1 inch+ of rain | 12/yr | 12/yr | 70 of 159 |
| Freeze-thaw days | 31/yr | 29/yr | 72 of 159 |
| Muggy nights (65°F+) | 111/yr | 112/yr | 82 of 159 |
Rank 1 is the highest value. Bars run from the lowest to the highest Georgia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Jefferson County: freezing from January, heavy rain in January, February 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