Coryell County, Texas · Gatesville
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Pipes freeze in Coryell County on about 3 nights a year, mostly midwinter. Older homes, 12% of the stock here, are most at risk.
Heavy rain days of an inch or more come about 7.9 times a year here, most often in May. A sump pump that hasn't run since last season is a common weak point.
Sewage backups in Coryell County spike on heavy-rain days, about 7.9 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 26 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
4% of occupied homes in Coryell County heat mainly with wood or propane, below the Texas county median of 6.5%.
About 137 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
About 84,748 people live in Coryell County, 1,052 square miles in eastern Texas, in roughly 29,512 homes. The county seat is Gatesville, and Copperas Cove, Fort Hood and Evant round out the largest towns. Much of its housing is recent, with a median build year of 1987.
44/100 Water Damage Risk Index: Moderate Coryell County ranks 169 of 232 Texas counties. See the statewide ranking and method.The three factors where Coryell County ranks highest compared with other Texas counties.
Pipe-freeze risk in Coryell County sits near the middle of the state. It averaged 28 freezing nights a year over 2015–2024, 3 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 232 Texas counties that's 94th.
The longest cold spell was straight 7 days without the temperature rising above freezing, ending in February 2021. The coldest night reached about -2°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 midwinter, 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 23 and end around Feb 23.
Rainfall is about average for Texas. The county gets about 33.2 inches of rain and melted snow a year, with 7.9 days of an inch or more (115th of 232). Those downpours cluster in April, May and October, when sump pumps and gutters are tested hardest. The wettest day on record brought 6.55 inches on October 24, 2015. The worst three-day stretch dropped 8.79 inches, ending October 25, 2015, the kind of soaking that overwhelms sump pumps and storm sewers.
The temperature crosses 32°F in both directions on roughly 26 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 39% of the county's housing was built before 1980. That puts Coryell among the newer housing stocks of Texas's 232 counties.
33% of homes were built in 2000 or later, more than in most of Texas. 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.
Renters occupy 41% 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
Coryell County averages 137 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in May. 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 expectBy main heating fuel, Coryell County homes break down as 22% utility gas, 72% electric, 4% 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 Coryell County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Hamilton gets more pipe-freeze nights than Coryell. Hamilton County has the oldest housing nearby, with 69% of homes built before 1980.
By the numbers
| Factor | Coryell | Texas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 12% | 20% | 181 of 232 |
| Homes built before 1980 | 39% | 46% | 156 of 232 |
| Homes built 2000 or later | 33% | 26% | 71 of 232 |
| Manufactured or mobile homes | 5.3% | 13% | 204 of 232 |
| Vacant homes | 8.6% | 17% | 199 of 232 |
| Wood or propane heat | 4.4% | 6.5% | 152 of 232 |
| Nights at 20°F or colder | 3/yr | 3/yr | 94 of 232 |
| Days with 1 inch+ of rain | 7.9/yr | 7.8/yr | 115 of 232 |
| Freeze-thaw days | 26/yr | 27/yr | 117 of 232 |
| Muggy nights (65°F+) | 137/yr | 129/yr | 94 of 232 |
Rank 1 is the highest value. Bars run from the lowest to the highest Texas county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Coryell County: freezing from midwinter, 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