Poinsett County, Arkansas · Harrisburg
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Pipes freeze in Poinsett County on about 7 nights a year, mostly January to February. Older homes, 15% of the stock here, are most at risk.
March brings the most downpours to Poinsett County, part of 16 heavy-rain days a year. Check the sump first.
15% 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.
Poinsett County's wettest day in the 2015–2024 record brought 4.19 inches, and about 41 freeze-thaw days a year mean ice dams in some winters.
10% of occupied homes in Poinsett County heat mainly with wood or propane, below the Arkansas county median of 10.9%.
With 109 muggy nights a year, mold in Poinsett County can appear within days of a leak. Dry first, then clean.
Local risk profile
About 22,543 people live in Poinsett County, 758 square miles in northeast Arkansas, in roughly 10,449 homes. Besides Harrisburg, the county seat, the biggest communities are Trumann, Marked Tree and Lepanto. Half the homes here were built before 1978, half after.
49/100 Water Damage Risk Index: Elevated Poinsett County ranks 42 of 75 Arkansas counties. See the statewide ranking and method.The three factors where Poinsett County ranks highest compared with other Arkansas counties.
Pipe-freeze risk in Poinsett County sits near the middle of the state. It averaged 47 freezing nights a year over 2015–2024, 7 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 75 Arkansas counties that's 34th.
On February 16, 2021 the low fell to about 0°F, and in the stretch ending February 2021 the county went 10 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
The freeze season here runs January 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 12 and end around Mar 14.
Rainfall is about average for Arkansas. The county gets about 57.3 inches of rain and melted snow a year, with 16 days of an inch or more (49th of 75). Those downpours cluster in February, March and April, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.19 inches on September 13, 2024. The worst three-day stretch dropped 6.77 inches, ending February 23, 2018, the kind of soaking that overwhelms sump pumps and storm sewers.
The temperature crosses 32°F in both directions on roughly 41 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 55% of the county's housing was built before 1980. That puts Poinsett among the oldest housing stocks of Arkansas's 75 counties.
Housing age is mixed: 15% of homes are pre-1960 and 18% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
About 27% 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.
11% of homes are manufactured or mobile homes, below the Arkansas county median of 15%. 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.
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
About 109 nights a year in Poinsett County stay at 65°F or warmer, a sign of muggy summer air (28th of 75 counties). March is the wettest month. Mold grows when indoor humidity stays above about 60%, the EPA's ceiling. A basement dehumidifier set to 50% and drying anything wet within 24 to 48 hours prevents most problems.
Mold remediation: what to expectHeating fuel matters for fire risk. In Poinsett County it's 40% utility gas, 49% electric, 9% propane and under 1% wood. Heating equipment, cooking and electrical failures cause most home fires nationally. Even a small kitchen fire can leave soot through the whole house, because smoke follows air currents into closets, ducts and attic space.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Poinsett County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Craighead, Jackson and Mississippi get more pipe-freeze nights than Poinsett. Jackson County has the oldest housing nearby, with 66% of homes built before 1980.
By the numbers
| Factor | Poinsett | Arkansas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 15% | 15% | 39 of 75 |
| Homes built before 1980 | 55% | 46% | 15 of 75 |
| Homes built 2000 or later | 18% | 23% | 56 of 75 |
| Manufactured or mobile homes | 11% | 15% | 60 of 75 |
| Vacant homes | 16% | 18% | 47 of 75 |
| Wood or propane heat | 9.6% | 11% | 43 of 75 |
| Nights at 20°F or colder | 7/yr | 6/yr | 34 of 75 |
| Days with 1 inch+ of rain | 16/yr | 17/yr | 49 of 75 |
| Freeze-thaw days | 41/yr | 48/yr | 51 of 75 |
| Muggy nights (65°F+) | 109/yr | 105/yr | 28 of 75 |
Rank 1 is the highest value. Bars run from the lowest to the highest Arkansas county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Poinsett County: freezing from January to February, heavy rain in February, March and April.
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