Oklahoma Soil Drainage Rankings
How well does the soil drain across Oklahoma? We ranked every USDA survey area by the percentage of land classified as "well drained." Areas at the top of the list have soils where water moves through at a healthy rate — favorable for building, septic, and gardening. Areas at the bottom have more waterlogged or slowly-draining soils that may require engineered solutions.
The best-drained survey area is Comanche County, Oklahoma at 98% well-drained soils. The most drainage-challenged is Coal County, Oklahoma at 9%. With 34% poorly-drained soils, properties in Coal County, Oklahoma should budget for drainage engineering, alternative septic designs, or raised-bed gardening.
| # | Survey Area | Well Drained | Poorly Drained | Dominant Class |
|---|---|---|---|---|
| 1 | Comanche County, Oklahoma | 98% | 0% | Well drained |
| 2 | Noble County, Oklahoma | 97% | 0% | Well drained |
| 3 | Caddo County, Oklahoma | 95% | 1% | Well drained |
| 4 | Texas County, Oklahoma | 95% | 1% | Well drained |
| 5 | Grady County, Oklahoma | 95% | 2% | Well drained |
| 6 | Harmon County, Oklahoma | 95% | 1% | Well drained |
| 7 | Kiowa County, Oklahoma | 93% | 0% | Well drained |
| 8 | Stephens County, Oklahoma | 93% | 0% | Well drained |
| 9 | Custer County, Oklahoma | 93% | 0% | Well drained |
| 10 | Jefferson County, Oklahoma | 92% | 0% | Well drained |
| 11 | Cimarron County, Oklahoma | 92% | 0% | Well drained |
| 12 | Oklahoma County, Oklahoma | 92% | 3% | Well drained |
| 13 | McClain County, Oklahoma | 92% | 4% | Well drained |
| 14 | Canadian County, Oklahoma | 91% | 3% | Well drained |
| 15 | Garfield County, Oklahoma | 91% | 2% | Well drained |
| 16 | Logan County, Oklahoma | 91% | 1% | Well drained |
| 17 | Kingfisher County, Oklahoma | 90% | 0% | Well drained |
| 18 | Washita County, Oklahoma | 90% | 0% | Well drained |
| 19 | Cleveland County, Oklahoma | 89% | 6% | Well drained |
| 20 | Dewey County, Oklahoma | 88% | 2% | Well drained |
| 21 | Cotton County, Oklahoma | 88% | 0% | Well drained |
| 22 | Roger Mills County, Oklahoma | 87% | 0% | Well drained |
| 23 | Tillman County, Oklahoma | 87% | 1% | Well drained |
| 24 | Pottawatomie County, Oklahoma | 86% | 3% | Well drained |
| 25 | Beckham County, Oklahoma | 85% | 1% | Well drained |
| 26 | Marshall County, Oklahoma | 85% | 1% | Well drained |
| 27 | Payne County, Oklahoma | 85% | 0% | Well drained |
| 28 | Blaine County, Oklahoma | 84% | 4% | Well drained |
| 29 | Greer County, Oklahoma | 83% | 1% | Well drained |
| 30 | Harper County, Oklahoma | 82% | 1% | Well drained |
| 31 | Jackson County, Oklahoma | 79% | 8% | Well drained |
| 32 | Ellis County, Oklahoma | 77% | 2% | Well drained |
| 33 | Grant County, Oklahoma | 75% | 1% | Well drained |
| 34 | Beaver County, Oklahoma | 74% | 8% | Well drained |
| 35 | Kay County, Oklahoma | 73% | 4% | Well drained |
| 36 | Major County, Oklahoma | 72% | 6% | Well drained |
| 37 | Latimer County, Oklahoma | 71% | 2% | Well drained |
| 38 | Carter County, Oklahoma | 71% | 0% | Well drained |
| 39 | Love County, Oklahoma | 71% | 3% | Well drained |
| 40 | Le Flore County, Oklahoma | 70% | 3% | Well drained |
| 41 | Garvin County, Oklahoma | 70% | 2% | Well drained |
| 42 | Sequoyah County, Oklahoma | 69% | 17% | Well drained |
| 43 | Seminole County, Oklahoma | 69% | 19% | Well drained |
| 44 | Woods County, Oklahoma | 69% | 5% | Well drained |
| 45 | McCurtain County, Oklahoma | 67% | 16% | Well drained |
| 46 | Alfalfa County, Oklahoma | 67% | 9% | Well drained |
| 47 | Johnston County, Oklahoma | 65% | 3% | Well drained |
| 48 | Pushmataha County, Oklahoma | 64% | 5% | Well drained |
| 49 | Pontotoc County, Oklahoma | 64% | 6% | Well drained |
| 50 | Hughes County, Oklahoma | 63% | 28% | Well drained |
| 51 | Lincoln County, Oklahoma | 62% | 2% | Well drained |
| 52 | Pawnee County, Oklahoma | 61% | 13% | Well drained |
| 53 | Woodward County, Oklahoma | 59% | 5% | Well drained |
| 54 | Pittsburg County, Oklahoma | 58% | 19% | Well drained |
| 55 | Haskell County, Oklahoma | 55% | 3% | Well drained |
| 56 | Atoka County, Oklahoma | 55% | 15% | Well drained |
| 57 | McIntosh County, Oklahoma | 54% | 32% | Well drained |
| 58 | Murray County, Oklahoma | 54% | 0% | Well drained |
| 59 | Bryan County, Oklahoma | 53% | 13% | Well drained |
| 60 | Osage County, Oklahoma | 48% | 23% | Well drained |
| 61 | Rogers County, Oklahoma | 45% | 42% | Well drained |
| 62 | Cherokee County, Oklahoma | 45% | 4% | Well drained |
| 63 | Muskogee County, Oklahoma | 44% | 45% | Well drained |
| 64 | Okmulgee County, Oklahoma | 44% | 37% | Well drained |
| 65 | Choctaw County, Oklahoma | 43% | 20% | Well drained |
| 66 | Okfuskee County, Oklahoma | 43% | 23% | Well drained |
| 67 | Adair County, Oklahoma | 42% | 1% | Somewhat excessively drained |
| 68 | Washington County, Oklahoma | 40% | 42% | Well drained |
| 69 | Wagoner County, Oklahoma | 40% | 54% | Somewhat poorly drained |
| 70 | Creek County, Oklahoma | 38% | 38% | Well drained |
| 71 | Nowata County, Oklahoma | 37% | 42% | Somewhat poorly drained |
| 72 | Delaware County, Oklahoma | 34% | 6% | Somewhat excessively drained |
| 73 | Craig County, Oklahoma | 30% | 59% | Somewhat poorly drained |
| 74 | Tulsa County, Oklahoma | 28% | 58% | Somewhat poorly drained |
| 75 | Mayes County, Oklahoma | 28% | 36% | Somewhat poorly drained |
| 76 | Ottawa County, Oklahoma | 19% | 50% | Somewhat poorly drained |
| 77 | Coal County, Oklahoma | 9% | 34% | Moderately well drained |