Wagoner County, Oklahoma
A shallow water table limits basements on 48% of Wagoner County's mapped land, a higher share than 65% of US counties and the 8th highest of 77 Oklahoma counties. Shrink-swell clay limits houses without basements on 34%.
100% of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 41 flood losses here since 2016, 0% of them in buildings with basements. 32% of homes were built before 1980, against 50% nationally; the median home dates from 1995.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Wagoner County
| Expansive clay (limits slab homes) | 33.6% |
| High water table (limits basements) | 48.4% |
| Septic fields very limited | 87.2% |
| Clay swell (LEP, by area) | 4.7% |
| High-swell land (LEP 6%+) | 33.2% |
| Mapped soil | 378,585 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Dennis | 18% | 100% |
| Taloka | 11% | n/a |
| Hector | 7% | n/a |
| Coweta | 7% | n/a |
| Osage | 6% | n/a |
| Radley | 6% | n/a |
How we count · survey areas OK145 (2025-08-29)
What the numbers mean here
Clay swell averages a linear extensibility of 4.7% by land area here, and 33% of the land reaches USDA's high class (6% or more). Clay like that swells when wet and shrinks when dry, under 34% of the mapped land.
Clay shrinks as it dries: 100% of the county is in drought on the latest map, and 34% of Wagoner County's mapped land has shrink-swell clay.
On 48% of Wagoner County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
Rain over the 12 months to August 2026: 38.02 in, 6.09 in below the 1991-2020 average year of 44.11 in.
USDA rates 87% of the land very limited for septic absorption fields.
Drought
100% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 41 of the last 52 weeks; the most was 100% of its area, in 32 weeks, most recently on the October 13, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 100% |
| D1 moderate drought or worse | 100% |
| D2 severe or worse | 100% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
41 flood losses since 2016, $2.7 million paid. The worst year was 2019, with 28. Foundations of the buildings, where recorded: 76% slabs, 12% crawl spaces, 12% elevated. Median water depth outside the building: 19 in.
| Year | Flood losses |
|---|---|
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 28 |
| 2020 | 0 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 6 |
| 2026 to date | 1 |
Rain
| Average year, 1991-2020 | 44.11 in |
| 12 months to August 2026 | 38.02 in (-6.09) |
| 2025 | 49.46 in (+5.35) |
| Wettest year since 1895 | 1973: 64.26 in |
| Driest year since 1895 | 1954: 22.98 in |
| Days with 1 inch or more, normal at CLAREMORE 2 ENE (25 mi away) | 13.7 |
Homes
| Housing units | 34,178 |
| Median year built | 1995 |
| Built before 1980 | 32% |
| Built 2000 or later | 44% |
| Owner-occupied | 81% |
| Median value, owner-occupied | $234,800 |
| Single-family detached | 81% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Muskogee County, OK | 25 mi | 35% | 48% |
| Tulsa County, OK | 26 mi | 47% | 52% |
| Mayes County, OK | 28 mi | 31% | 44% |
| Rogers County, OK | 29 mi | 38% | 42% |
| Cherokee County, OK | 29 mi | 16% | 20% |
| Okmulgee County, OK | 33 mi | 37% | 53% |
| McIntosh County, OK | 42 mi | 35% | 36% |
| Creek County, OK | 48 mi | 27% | 38% |
Sources: USDA SSURGO (August 29, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status