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Plumbing in Erwin: winter lows around 25°F mean exposed pipes can freeze and burst; 62% of homes in Unicoi County were built before 1980, when galvanized and older pipes were common; flash floods here can back up drains.
In Unicoi County, July highs average about 82°F and January lows about 25°F, with roughly 51 inches of rain a year.
Over the last 10 years the National Weather Service recorded damaging thunderstorm winds, flash floods and hailstorms in Unicoi County, with hail up to 1 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.
The typical home in Unicoi County was built around 1969, about 57 years ago, and 62% were built before 1980. Homes that age often need updated wiring, plumbing and roofs.
Unicoi County has had 11 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Winter Storm (2026).
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Insulate pipes in crawl spaces and outside walls, drip faucets on the coldest nights, and know where your main shut-off is.
Galvanized steel and polybutylene pipes are past their life in most homes — low pressure, rusty water or repeated leaks are the signs.
Yes if water is spreading or near electrics — turn off the main and choose Emergency when you book; we call you at the first opening.
Unicoi · Jonesborough · Johnson City · Elizabethton · Watauga · Tusculum · Greeneville · Bluff City