Underground injection is a way to dispose of wastewater below the ground's surface.
Because leaks from underground injection wells pose a threat to drinking water and human health, these regulations must be strictly enforced. Wells Underground injection wells are classified by the type of wastewater and the location of the well in relation to USDWs. Wells injecting hazardous waste are no longer permitted in Florida, with the exception of one well which the Florida Legislature exempted from this ban. All Class IV wells are prohibited by federal law. Regulation of Underground Injection Wells DEP's regulations address the construction, operation and maintenance of underground injection wells.