Seward County, Nebraska · Seward
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With 40% of homes built before 1960 and about 57 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
Heavy rain days of an inch or more come about 6.1 times a year here, most often in May. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Seward County gets about 6.1 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Seward County, 3.14 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
21% of occupied homes in Seward County heat mainly with wood or propane, close to the Nebraska county median of 19.4%.
About 36 nights a year here stay at 65°F or warmer, so basements and crawl spaces can grow mold even without a leak.
Local risk profile
Seward County covers 571 square miles of southeast Nebraska, with about 17,641 residents and 7,206 homes. The county seat is Seward, and Milford, Utica and Beaver Crossing round out the largest towns. Half the homes here were built before 1970, half after.
47/100 Water Damage Risk Index: Elevated Seward County ranks 61 of 93 Nebraska counties. See the statewide ranking and method.The three factors where Seward County ranks highest compared with other Nebraska counties.
Winters here are on the gentler end for Nebraska, and pipes still freeze. In the 2015–2024 record the county logged about 57 nights a year at or below 20°F (67th of 93) and 136 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
The longest cold spell was straight 17 days without the temperature rising above freezing, ending in February 2021. The coldest night reached about -29°F on February 16, 2021. Burst pipes usually show up when a spell like that breaks and the ice thaws.
The freeze season here runs November to March, 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 Oct 18 and end around Apr 21.
Heavy rain is a bigger factor here than in most of Nebraska. The county gets about 29.4 inches of rain and melted snow a year, with 6.1 days of an inch or more (16th of 93). Those downpours cluster in May, June and July, when sump pumps and gutters are tested hardest. The wettest day on record brought 3.14 inches on May 7, 2015. The worst three-day stretch dropped 4.52 inches, ending March 16, 2021, the kind of soaking that overwhelms sump pumps and storm sewers.
About 101 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
Roughly 64% of the county's housing was built before 1980. That puts Seward among the newer housing stocks of Nebraska's 93 counties.
18% of homes were built in 2000 or later, more than in most of Nebraska. Newer plumbing rarely corrodes, so damage here tends to come from appliance supply lines, water heaters, sump pumps and storms.
Beyond water
Seward County averages 36 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in May. 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 Seward County it's 45% utility gas, 32% electric, 19% propane and 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 Seward County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Butler gets more pipe-freeze nights than Seward. Saline County has the oldest housing nearby, with 75% of homes built before 1980.
By the numbers
| Factor | Seward | Nebraska median | Rank |
|---|---|---|---|
| Homes built before 1960 | 40% | 49% | 72 of 93 |
| Homes built before 1980 | 64% | 73% | 77 of 93 |
| Homes built 2000 or later | 18% | 12% | 17 of 93 |
| Manufactured or mobile homes | 1.8% | 5% | 81 of 93 |
| Vacant homes | 5.8% | 14% | 85 of 93 |
| Wood or propane heat | 21% | 19% | 43 of 93 |
| Nights at 20°F or colder | 57/yr | 64/yr | 67 of 93 |
| Days with 1 inch+ of rain | 6.1/yr | 5.1/yr | 16 of 93 |
| Freeze-thaw days | 101/yr | 112/yr | 71 of 93 |
| Muggy nights (65°F+) | 36/yr | 27/yr | 26 of 93 |
Rank 1 is the highest value. Bars run from the lowest to the highest Nebraska county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Seward County: freezing from November to March, heavy rain in May, June and July.
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