Hardin County, Tennessee · Savannah
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With 12% of homes built before 1960 and about 9 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 Hardin 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 Hardin County, 3.91 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
13% of occupied homes in Hardin County heat mainly with wood or propane, above the Tennessee county median of 7.8%.
About 86 nights a year here stay at 65°F or warmer, so basements and crawl spaces can grow mold even without a leak.
Local risk profile
With 15,161 homes and around 27,249 residents, Hardin County is 577 square miles of southwest Tennessee. Savannah is the county seat; Olivet, Crump and Saltillo are the next largest communities. Much of its housing is recent, with a median build year of 1986.
42/100 Water Damage Risk Index: Moderate Hardin County ranks 72 of 95 Tennessee counties. See the statewide ranking and method.The three factors where Hardin County ranks highest compared with other Tennessee counties.
Winters here are on the gentler end for Tennessee, and pipes still freeze. In the 2015–2024 record the county logged about 9 nights a year at or below 20°F (72nd of 95) and 61 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
Cold snaps are the real risk. The worst in the record lasted 7 days below freezing (ending February 2021), and the low bottomed out near -4°F on January 17, 2024.
Most freezing nights fall from December to February, 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 6 and end around Mar 30.
Heavy rain is a bigger factor here than in most of Tennessee. The county gets about 58.7 inches of rain and melted snow a year, with 15.2 days of an inch or more (23rd of 95). Those downpours cluster in February, March and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 3.91 inches on July 1, 2020. The worst three-day stretch dropped 5.55 inches, ending September 15, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
About 58 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
43% of homes in Hardin County predate 1980, close to the Tennessee county median of 41.2%, which ranks 41st of Tennessee's 95 counties.
Housing age is mixed: 12% of homes are pre-1960 and 24% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
33% 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.
Manufactured and mobile homes make up 15% 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 27% 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
Hardin County averages 86 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in March. The EPA recommends keeping indoor humidity below 60%, ideally 30 to 50%. Basements can pass 60% on their own in summer, so a dehumidifier matters even without a leak, and anything wet should be dried within 24 to 48 hours.
Mold remediation: what to expectBy main heating fuel, Hardin County homes break down as 39% utility gas, 48% electric, 10% propane and 3% wood. Propane heat is more common here than the state median. Have chimneys swept and fuel-burning appliances serviced each fall, and keep three feet clear around stoves and space heaters.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Hardin County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Chester, Henderson and McNairy get more pipe-freeze nights than Hardin. Wayne County has the oldest housing nearby, with 48% of homes built before 1980.
By the numbers
| Factor | Hardin | Tennessee median | Rank |
|---|---|---|---|
| Homes built before 1960 | 12% | 16% | 78 of 95 |
| Homes built before 1980 | 43% | 41% | 41 of 95 |
| Homes built 2000 or later | 24% | 27% | 63 of 95 |
| Manufactured or mobile homes | 15% | 16% | 49 of 95 |
| Vacant homes | 27% | 12% | 4 of 95 |
| Wood or propane heat | 13% | 7.8% | 31 of 95 |
| Nights at 20°F or colder | 9/yr | 11/yr | 72 of 95 |
| Days with 1 inch+ of rain | 15/yr | 14/yr | 23 of 95 |
| Freeze-thaw days | 58/yr | 60/yr | 66 of 95 |
| Muggy nights (65°F+) | 86/yr | 74/yr | 21 of 95 |
Rank 1 is the highest value. Bars run from the lowest to the highest Tennessee county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Hardin County: freezing from December to February, heavy rain in February, March 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