This data set shows the drinking water source and domestic (household) wastewater disposal method for parcel polygons for each of the 67 counties in the state of Florida, based on information gathered from utilities, state and local government, and other entities that have functions related to drinking water or wastewater. This is a selection of the FLWMI for known and likely wells and septic. Each parcel is assigned a value for wastewater (sewer or septic) and drinking water (public or private well) based on the information that was gathered and processed from multiple sources. The wastewater and drinking water values are further assigned a qualifier of Known, Likely, and Somewhat Likely based on factors related to the level of certainty for the source information. For example, a service address provided by a utility will be considered 'Known' while the listed wastewater method on a business permit for a food establishment will be deemed to be 'Likely' or 'Somewhat Likely'. Information provided by utilities was considered current, as was permit information related to business establishments. Permit information related to septic systems and private domestic drinking water wells generally ranges from the late 1990s onward. The parcels and associated real property data were downloaded from the State of Florida Department of Revenue (DOR) for the tax assessment years of 2013 and 2014.