Private John Allen is considered a warmwater hatchery because the species of fish raised in our ponds have optimal growth rates in water between 75- and 85-degrees Fahrenheit. The hatchery raises fish that are important to the fishery resources of Mississippi, the Lower Mississippi River Alluvial Valley and the Gulf Coast, and stocks fish in cooperation with state game and fish agencies. The water for the hatchery comes from three separate wells. The well water maintains a temperature around 65 degrees, which allows for cool water species, like Lake Sturgeon, to be raised in our holding house building. The hatchery continuously develops new culture systems to propagate at-risk species such as the Yazoo Darter, Pearl Darter, Piebald Madtom, and Frecklebelly Madtom.