Hardeman County, Tennessee · Bolivar
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Pipes freeze in Hardeman County on about 9 nights a year, mostly December to February. Older homes, 18% of the stock here, are most at risk.
Basements flood here mostly in February. Hardeman County averages 15.6 days a year with an inch of rain or more.
Sewage backups in Hardeman County spike on heavy-rain days, about 15.6 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 56 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
12% of occupied homes in Hardeman County heat mainly with wood or propane, above the Tennessee county median of 7.8%.
With 94 muggy nights a year, mold in Hardeman County can appear within days of a leak. Dry first, then clean.
Local risk profile
Hardeman County covers 668 square miles of southwest Tennessee, with about 25,433 residents and 10,750 homes. Bolivar is the county seat; Whiteville, Middleton and Grand Junction are the next largest communities. Half the homes here were built before 1982, half after.
58/100 Water Damage Risk Index: Elevated Hardeman County ranks 26 of 95 Tennessee counties. See the statewide ranking and method.The three factors where Hardeman County ranks highest compared with other Tennessee counties.
Winters here are on the gentler end for Tennessee, and pipes still freeze. From 2015–2024 it averaged 9 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 60 nights at or below 32°F. That ranks 72nd of 95 counties.
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 28.
Heavy rain is a bigger factor here than in most of Tennessee. About 15.6 days a year bring an inch or more (15th of 95), most often in February, out of 59.4 inches of total precipitation. On September 1, 2017, 5.53 inches fell in a single day. The worst three-day stretch dropped 6.2 inches, ending September 2, 2017, the kind of soaking that overwhelms sump pumps and storm sewers.
The temperature crosses 32°F in both directions on roughly 56 days a year. Each cycle melts and refreezes water at roof edges and in foundation cracks, which is how ice dams and basement seepage get started.
Housing
Tennessee's 95 counties range widely in housing age; Hardeman ranks 29th, with 46% of its homes built before 1980.
The mix runs from 18% built before 1960 to 18% built since 2000, so older neighborhoods bring aging pipe while newer subdivisions bring failed appliance lines and water heaters.
About 36% of homes went up between 1980 and 1999. Some houses from the late 1970s to the mid-1990s were plumbed with polybutylene, a gray plastic pipe known for failing at fittings. A plumber can tell you in a few minutes whether you have it.
Manufactured and mobile homes make up 19% 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 15% 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
Summer nights that don't drop below 65°F, a good marker of humid air, come about 94 times a year here, above the Tennessee county median of 74. Mold grows when indoor humidity stays above about 60%, the EPA's ceiling. A basement dehumidifier set to 50% and drying anything wet within 24 to 48 hours prevents most problems.
Mold remediation: what to expectBy main heating fuel, Hardeman County homes break down as 41% utility gas, 47% electric, 9% propane and 3% wood. Propane heat is above the Tennessee 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 Hardeman County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Chester, Madison and McNairy get more pipe-freeze nights than Hardeman. It also has the most heavy-rain days in its area. Haywood County has the oldest housing nearby, with 58% of homes built before 1980.
By the numbers
| Factor | Hardeman | Tennessee median | Rank |
|---|---|---|---|
| Homes built before 1960 | 18% | 16% | 41 of 95 |
| Homes built before 1980 | 46% | 41% | 29 of 95 |
| Homes built 2000 or later | 18% | 27% | 89 of 95 |
| Manufactured or mobile homes | 19% | 16% | 39 of 95 |
| Vacant homes | 15% | 12% | 27 of 95 |
| Wood or propane heat | 12% | 7.8% | 32 of 95 |
| Nights at 20°F or colder | 9/yr | 11/yr | 72 of 95 |
| Days with 1 inch+ of rain | 16/yr | 14/yr | 15 of 95 |
| Freeze-thaw days | 56/yr | 60/yr | 79 of 95 |
| Muggy nights (65°F+) | 94/yr | 74/yr | 9 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 Hardeman 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