Meigs County, Tennessee · Decatur
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Pipes freeze in Meigs County on about 7 nights a year, mostly December to February. Older homes, 8% of the stock here, are most at risk.
Basements flood here mostly in December. Meigs County averages 14.3 days a year with an inch of rain or more.
Backups often follow heavy rain, which Meigs County gets about 14.3 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
Roof leaks here come from summer downpours and, with about 58 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
13% of occupied homes in Meigs County heat mainly with wood or propane, above the Tennessee county median of 7.8%.
With 80 muggy nights a year, mold in Meigs County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 6,275 homes and around 13,343 residents, Meigs County is 195 square miles of southern Tennessee. The county seat is Decatur. Much of its housing is recent, with a median build year of 1994.
27/100 Water Damage Risk Index: Moderate Meigs County ranks 91 of 95 Tennessee counties. See the statewide ranking and method.The three factors where Meigs County ranks highest compared with other Tennessee counties.
Meigs County is milder than most of Tennessee, but not mild enough to skip winterizing. In the 2015–2024 record the county logged about 7 nights a year at or below 20°F (87th of 95) and 61 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
On January 17, 2024 the low fell to about 2°F, and in the stretch ending December 2022 the county went 4 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
The freeze season here runs December to February, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
On average the first fall freeze arrives around Nov 7 and the last spring freeze around Mar 30.
Rainfall is about average for Tennessee. The county gets about 59.8 inches of rain and melted snow a year, with 14.3 days of an inch or more (45th of 95). Those downpours cluster in February, March and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.57 inches on February 6, 2020. Multi-day storms matter most for basements; the wettest three days on record here totaled 6.25 inches (through September 27, 2018).
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
24% of homes in Meigs County predate 1980, below the Tennessee county median of 41.2%, which ranks 92nd of Tennessee's 95 counties.
Growth since 2000 added 36% of today's homes. In houses that new, the weak points are washing machine hoses, ice maker lines, water heaters and sump pumps rather than the pipes in the walls.
The 1980s and 1990s account for 40% 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.
Here 36% of housing is manufactured homes. Check the skirting and the heat tape on the main water line every fall, because that one exposed line is what freezes.
The Census counted 17% of homes as vacant, above the Tennessee county median of 11.9%. Empty houses are where a small leak turns into a large claim, because nobody is there to hear it.
Beyond water
About 80 nights a year in Meigs County stay at 65°F or warmer, a sign of muggy summer air (31st of 95 counties). February is the wettest month. 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, Meigs County homes break down as 5% utility gas, 81% electric, 9% propane and 4% wood. Wood and propane heat are 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 Meigs County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Rhea gets more pipe-freeze nights than Meigs. Roane County has the oldest housing nearby, with 51% of homes built before 1980.
By the numbers
| Factor | Meigs | Tennessee median | Rank |
|---|---|---|---|
| Homes built before 1960 | 7.8% | 16% | 88 of 95 |
| Homes built before 1980 | 24% | 41% | 92 of 95 |
| Homes built 2000 or later | 36% | 27% | 17 of 95 |
| Manufactured or mobile homes | 36% | 16% | 1 of 95 |
| Vacant homes | 17% | 12% | 21 of 95 |
| Wood or propane heat | 13% | 7.8% | 28 of 95 |
| Nights at 20°F or colder | 7/yr | 11/yr | 87 of 95 |
| Days with 1 inch+ of rain | 14/yr | 14/yr | 45 of 95 |
| Freeze-thaw days | 58/yr | 60/yr | 66 of 95 |
| Muggy nights (65°F+) | 80/yr | 74/yr | 31 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 Meigs 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