Adams County, Iowa · Corning
Water spreading, a burst pipe, sewage, mold or smoke? Call to be connected with a restoration company that serves Corning, Prescott and Nodaway. 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 Adams County on about 58 nights a year, mostly November to March. Older homes, 56% of the stock here, are most at risk.
Basements flood here mostly in September. Adams County averages 7.9 days a year with an inch of rain or more.
56% 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.
Adams County's wettest day in the 2015–2024 record brought 3.28 inches, and about 99 freeze-thaw days a year mean ice dams in some winters.
29% of occupied homes in Adams County heat mainly with wood or propane, above the Iowa county median of 22.1%.
With 33 muggy nights a year, mold in Adams County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 1,889 homes and around 3,622 residents, Adams County is 423 square miles of southwest Iowa. Corning is the county seat; Prescott, Nodaway and Carbon are the next largest communities. It has some of the oldest housing in the state: the median home went up in 1955.
67/100 Water Damage Risk Index: Elevated Adams County ranks 7 of 99 Iowa counties. See the statewide ranking and method.The three factors where Adams County ranks highest compared with other Iowa counties.
Pipe-freeze risk in Adams County sits near the middle of the state. From 2015–2024 it averaged 58 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 136 nights at or below 32°F. That ranks 57th of 99 counties.
Cold snaps are the real risk. The worst in the record lasted 16 days below freezing (ending January 2018), and the low bottomed out near -22°F on February 16, 2021.
Expect the hardest freezes in January, inside a season that runs November to March. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
Freezing nights typically start around Oct 18 and end around Apr 23.
Heavy rain is a bigger factor here than in most of Iowa. About 7.9 days a year bring an inch or more (23rd of 99), most often in September, out of 35.5 inches of total precipitation. On August 20, 2018, 3.28 inches fell in a single day. The worst three-day stretch dropped 4.02 inches, ending October 8, 2017, the kind of soaking that overwhelms sump pumps and storm sewers.
The temperature crosses 32°F in both directions on roughly 99 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
73% of homes in Adams County predate 1980, close to the Iowa county median of 72.8%, which ranks 48th of Iowa's 99 counties.
In Adams County 56% 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.
Manufactured and mobile homes make up 9% 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.
With 19% of homes empty at survey time, landlords and seasonal owners should shut off the main or schedule checks in winter. An unheated vacant house is also where many policies limit freeze coverage.
Beyond water
About 33 nights a year in Adams County stay at 65°F or warmer, a sign of muggy summer air (36th of 99 counties). May 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 Adams County it's 38% utility gas, 30% electric, 26% propane and 3% wood. Wood and propane heat are above the Iowa norm. Annual chimney and vent inspection, which the NFPA recommends, is one of the most effective fire-prevention habits for these homes.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Adams County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Adair gets more pipe-freeze nights than Adams. Taylor County has the oldest housing nearby, with 81% of homes built before 1980.
By the numbers
| Factor | Adams | Iowa median | Rank |
|---|---|---|---|
| Homes built before 1960 | 56% | 48% | 16 of 99 |
| Homes built before 1980 | 73% | 73% | 48 of 99 |
| Homes built 2000 or later | 15% | 13% | 42 of 99 |
| Manufactured or mobile homes | 9.2% | 3.2% | 3 of 99 |
| Vacant homes | 19% | 9.5% | 5 of 99 |
| Wood or propane heat | 29% | 22% | 33 of 99 |
| Nights at 20°F or colder | 58/yr | 62/yr | 57 of 99 |
| Days with 1 inch+ of rain | 7.9/yr | 7.1/yr | 23 of 99 |
| Freeze-thaw days | 99/yr | 94/yr | 2 of 99 |
| Muggy nights (65°F+) | 33/yr | 29/yr | 36 of 99 |
Rank 1 is the highest value. Bars run from the lowest to the highest Iowa county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Adams County: freezing from November to March, heavy rain in June, July and September.
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