Lakes in Mahaska County, Iowa and Surrounding Areas   1. Hawthorn Lake 2. Lake Keomah        I caught a large mouth bass that was 10 lbs 13 1/2... OTHER COUNTIES NEARBY Appanoose County Benton County        3. Hannen Lake, Benton County Clarke County Davis County        4. Lake Fisher, Davis County        5. Lake Sundown, Davis County Iowa County Jasper County Jefferson County Keokuk County Linn County Lucas County        6. Stephens Forest Pond, Lucas County Marion County        7. Lake Red Rock, Marion County Marshall County        8. Wolf Lake, Marshall County Monroe County        9. Lake Miami, Monroe County Poweshiek County        10. Lake Ponderosa, Poweshiek County Story County        11. Hendrickson Marsh Lake, Story County Tama County        12. Otter Creek Lake, Tama County Van Buren County Wapello County Wayne County Adair County Clark County Mercer County Putnam County        13. Lake Thunderhead, Putnam County Schuyler County Scotland County Sullivan County Iowa Lakes Unreviewed Lakes in Mahaska County, Iowa Goose Lake To submit a review of one of the lakes above please fill out the form below. The name of the lake, (and your own name if you want):