The Oklahoma Department of Environmental Quality is offering free bacterial testing of private well water for Oklahomans whose wells have been flooded. The testing is for wells in the following counties: Adair, Atoka, Bryan, Carter, Cherokee, Choctaw, Coal, Delaware, Haskell, Hughes, Johnston, Latimer, LeFlore, Love, Marshall, Mayes, McCurtain, McIntosh, Murray, Muskogee, Okmulgee, Ottawa, Pittsburg, Pontotoc, Pushmataha, Sequoyah, and Wagoner.