Lewis County, Kentucky · Vanceburg
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Pipes freeze in Lewis County on about 26 nights a year, mostly November to March. Older homes, 23% of the stock here, are most at risk.
Basements flood here mostly in February. Lewis County averages 8.3 days a year with an inch of rain or more.
23% 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.
Lewis County's wettest day in the 2015–2024 record brought 2.61 inches, and about 88 freeze-thaw days a year mean ice dams in some winters.
37% of occupied homes in Lewis County heat mainly with wood or propane, above the Kentucky county median of 12.6%.
Muggy summer nights, lows of 65°F or more, come about 36 times a year in Lewis County. Mold after a leak spreads fastest from June through August.
Local risk profile
Lewis County covers 483 square miles of northeast Kentucky, with about 12,965 residents and 6,066 homes. The county seat is Vanceburg, and Garrison and Concord round out the largest towns. Much of its housing is recent, with a median build year of 1985.
52/100 Water Damage Risk Index: Elevated Lewis County ranks 60 of 120 Kentucky counties. See the statewide ranking and method.The three factors where Lewis County ranks highest compared with other Kentucky counties.
Lewis County gets more hard-freeze nights than most of Kentucky. From 2015–2024 it averaged 26 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 101 nights at or below 32°F. That ranks 1st of 120 counties.
Cold snaps are the real risk. The worst in the record lasted 13 days below freezing (ending January 2018), and the low bottomed out near -15°F on February 20, 2015.
Most freezing nights fall from November to March, 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 Oct 26 and end around Apr 23.
Lewis gets fewer downpours than most Kentucky counties, but they still fill basements. The county gets about 48.5 inches of rain and melted snow a year, with 8.3 days of an inch or more (111th of 120). Those downpours cluster in February, July and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 2.61 inches on September 9, 2018. The worst three-day stretch dropped 4.99 inches, ending September 10, 2018, the kind of soaking that overwhelms sump pumps and storm sewers.
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 88 times a year here. They're the main driver of ice dams and of water working its way through foundation cracks in late winter.
Housing
Roughly 45% of the county's housing was built before 1980. That puts Lewis near the middle of Kentucky's 120 counties.
In Lewis County 23% 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.
About 31% 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.
24% of homes are manufactured or mobile homes, above the Kentucky county median of 18.5%. Their water lines run under the floor behind the skirting, so a torn skirt or failed heat tape freezes them faster than lines in a site-built house.
The Census counted 17% of homes as vacant, above the Kentucky county median of 13.2%. Empty houses are where a small leak turns into a large claim, because nobody is there to hear it.
Beyond water
Lewis County averages 36 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in July. 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, Lewis County homes break down as 10% utility gas, 50% electric, 20% propane and 17% wood. Wood and propane heat are more common here than in most Kentucky counties. Heating equipment is one of the leading causes of home fires nationally, and the NFPA recommends having chimneys and vents inspected every year.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Lewis County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Lewis gets more pipe-freeze nights than any of its neighbors. Greenup County has the oldest housing nearby, with 60% of homes built before 1980.
By the numbers
| Factor | Lewis | Kentucky median | Rank |
|---|---|---|---|
| Homes built before 1960 | 23% | 18% | 40 of 120 |
| Homes built before 1980 | 45% | 44% | 51 of 120 |
| Homes built 2000 or later | 23% | 25% | 71 of 120 |
| Manufactured or mobile homes | 24% | 19% | 38 of 120 |
| Vacant homes | 17% | 13% | 29 of 120 |
| Wood or propane heat | 37% | 13% | 4 of 120 |
| Nights at 20°F or colder | 26/yr | 20/yr | 1 of 120 |
| Days with 1 inch+ of rain | 8.3/yr | 12/yr | 111 of 120 |
| Freeze-thaw days | 88/yr | 73/yr | 1 of 120 |
| Muggy nights (65°F+) | 36/yr | 59/yr | 115 of 120 |
Rank 1 is the highest value. Bars run from the lowest to the highest Kentucky county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Lewis County: freezing from November to March, heavy rain in February, July 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