Wayne County, Missouri · Greenville
Water spreading, a burst pipe, sewage, mold or smoke? Call to be connected with a restoration company that serves Piedmont, Greenville and Williamsville. Start the steps below while you wait.
Answered 24/7 by a participating local provider. We're a referral service and don't do the work ourselves. How it works
Start here
Pick the closest match. These steps limit the damage and protect your insurance claim. Skip anything that isn't safe.
Pipes freeze in Wayne County on about 20 nights a year, mostly December to February. Older homes, 21% of the stock here, are most at risk.
Basements flood here mostly in May. Wayne County averages 13.4 days a year with an inch of rain or more.
Sewage backups in Wayne County spike on heavy-rain days, about 13.4 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 77 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
30% of occupied homes in Wayne County heat mainly with wood or propane, above the Missouri county median of 24.5%.
With 68 muggy nights a year, mold in Wayne County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 6,119 homes and around 10,862 residents, Wayne County is 759 square miles of southeast Missouri. Besides Greenville, the county seat, the biggest communities are Piedmont, Williamsville and Mill Spring. Half the homes here were built before 1980, half after.
48/100 Water Damage Risk Index: Elevated Wayne County ranks 68 of 114 Missouri counties. See the statewide ranking and method.The three factors where Wayne County ranks highest compared with other Missouri counties.
Winters here are on the gentler end for Missouri, and pipes still freeze. From 2015–2024 it averaged 20 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 86 nights at or below 32°F. That ranks 94th of 114 counties.
The longest cold spell was straight 10 days without the temperature rising above freezing, ending in February 2021. The coldest night reached about -5°F on December 24, 2022. Burst pipes usually show up when a spell like that breaks and the ice thaws.
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.
Freezing nights typically start around Nov 4 and end around Apr 6.
Heavy rain is a bigger factor here than in most of Missouri. The county gets about 51.8 inches of rain and melted snow a year, with 13.4 days of an inch or more (7th of 114). Those downpours cluster in April, May and August, when sump pumps and gutters are tested hardest. The wettest day on record brought 5.08 inches on April 30, 2017. The worst three-day stretch dropped 9.2 inches, ending August 16, 2016, the kind of soaking that overwhelms sump pumps and storm sewers.
The temperature crosses 32°F in both directions on roughly 77 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
Roughly 50% of the county's housing was built before 1980. That puts Wayne near the middle of Missouri's 114 counties.
The mix runs from 21% built before 1960 to 17% built since 2000, so older neighborhoods bring aging pipe while newer subdivisions bring failed appliance lines and water heaters.
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.
21% of homes are manufactured or mobile homes, above the Missouri county median of 9.8%. 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 24% of homes as vacant, above the Missouri county median of 15.3%. Empty houses are where a small leak turns into a large claim, because nobody is there to hear it.
Beyond water
About 68 nights a year in Wayne County stay at 65°F or warmer, a sign of muggy summer air (37th of 114 counties). May 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 expectHeating fuel matters for fire risk. In Wayne County it's 15% utility gas, 55% electric, 20% propane and 10% wood. Wood 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 Wayne County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Iron, Madison and Reynolds get more pipe-freeze nights than Wayne. Iron County has the oldest housing nearby, with 62% of homes built before 1980.
By the numbers
| Factor | Wayne | Missouri median | Rank |
|---|---|---|---|
| Homes built before 1960 | 21% | 25% | 76 of 114 |
| Homes built before 1980 | 50% | 53% | 67 of 114 |
| Homes built 2000 or later | 17% | 21% | 83 of 114 |
| Manufactured or mobile homes | 21% | 9.8% | 5 of 114 |
| Vacant homes | 24% | 15% | 20 of 114 |
| Wood or propane heat | 30% | 25% | 45 of 114 |
| Nights at 20°F or colder | 20/yr | 28/yr | 94 of 114 |
| Days with 1 inch+ of rain | 13/yr | 10/yr | 7 of 114 |
| Freeze-thaw days | 77/yr | 77/yr | 55 of 114 |
| Muggy nights (65°F+) | 68/yr | 65/yr | 37 of 114 |
Rank 1 is the highest value. Bars run from the lowest to the highest Missouri county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Wayne County: freezing from December to February, heavy rain in April, May and August.
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