Bryan County, Oklahoma · Durant
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With 13% of homes built before 1960 and about 6 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
May brings the most downpours to Bryan County, part of 14.8 heavy-rain days a year. Check the sump first.
Backups often follow heavy rain, which Bryan County gets about 14.8 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Bryan County, 6.63 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
10% of occupied homes in Bryan County heat mainly with wood or propane, below the Oklahoma county median of 12.5%.
Muggy summer nights, lows of 65°F or more, come about 121 times a year in Bryan County. Mold after a leak spreads fastest from June through August.
Local risk profile
With 20,780 homes and around 48,253 residents, Bryan County is 904 square miles of southeast Oklahoma. Durant is the county seat; Calera, Colbert and Caddo are the next largest communities. Much of its housing is recent, with a median build year of 1989.
43/100 Water Damage Risk Index: Moderate Bryan County ranks 63 of 77 Oklahoma counties. See the statewide ranking and method.The three factors where Bryan County ranks highest compared with other Oklahoma counties.
Winters here are on the gentler end for Oklahoma, and pipes still freeze. It averaged 44 freezing nights a year over 2015–2024, 6 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 77 Oklahoma counties that's 73rd.
The longest cold spell was straight 10 days without the temperature rising above freezing, ending in February 2021. The coldest night reached about -3°F on February 16, 2021. Burst pipes usually show up when a spell like that breaks and the ice thaws.
Most freezing nights fall from January, 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 15 and end around Mar 7.
Heavy rain is a bigger factor here than in most of Oklahoma. The county gets about 47.3 inches of rain and melted snow a year, with 14.8 days of an inch or more (8th of 77). Those downpours cluster in April, May and October, when sump pumps and gutters are tested hardest. The wettest day on record brought 6.63 inches on September 22, 2018. The worst three-day stretch dropped 9.04 inches, ending September 23, 2018, the kind of soaking that overwhelms sump pumps and storm sewers.
About 41 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
36% of homes in Bryan County predate 1980, below the Oklahoma county median of 54.8%, which ranks 70th of Oklahoma's 77 counties.
35% of homes were built in 2000 or later, more than in most of Oklahoma. Newer plumbing rarely corrodes, so damage here tends to come from appliance supply lines, water heaters, sump pumps and storms.
28% 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.
Manufactured and mobile homes make up 16% 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.
Renters occupy 36% of homes. If you rent, the building is usually the landlord's to repair, but your belongings are only covered by renters insurance.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 121 times a year here, above the Oklahoma county median of 98. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectMain heating fuel in Bryan County's occupied homes: 14% utility gas, 74% electric, 10% propane and under 1% wood. Most homes here heat with gas or electricity, so cooking and electrical faults are the likelier fire sources. Even a contained kitchen fire can send soot through the ductwork to every room.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Bryan County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Atoka and Johnston get more pipe-freeze nights than Bryan. Choctaw County has the oldest housing nearby, with 47% of homes built before 1980.
By the numbers
| Factor | Bryan | Oklahoma median | Rank |
|---|---|---|---|
| Homes built before 1960 | 13% | 24% | 66 of 77 |
| Homes built before 1980 | 36% | 55% | 70 of 77 |
| Homes built 2000 or later | 35% | 22% | 7 of 77 |
| Manufactured or mobile homes | 16% | 12% | 21 of 77 |
| Vacant homes | 12% | 17% | 66 of 77 |
| Wood or propane heat | 10% | 13% | 49 of 77 |
| Nights at 20°F or colder | 6/yr | 13/yr | 73 of 77 |
| Days with 1 inch+ of rain | 15/yr | 11/yr | 8 of 77 |
| Freeze-thaw days | 41/yr | 65/yr | 76 of 77 |
| Muggy nights (65°F+) | 121/yr | 98/yr | 1 of 77 |
Rank 1 is the highest value. Bars run from the lowest to the highest Oklahoma county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Bryan County: freezing from January, heavy rain in April, May and October.
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