St. Louis Region
Rural Franklin County means well and septic homework
Outside the towns, many Franklin County homes use a private well and septic system, which means a little extra testing and permitting homework for a buyer.
Outside Union, Washington, and the I-44 towns, a Franklin County house may come with its own water and wastewater chores. A private well and septic system are normal rural features, but they belong in the first round of buyer questions, not the last week before closing.
For the well, ask for records and test the water. For the septic system, ask about condition, permits, and whether the system matches the house and site. Franklin County’s cave-and-sinkhole setting adds a little more caution. In karst, water can move through cracks and underground channels, so a problem near the surface may not stay neatly in one spot.
Missouri splits the oversight. Septic steps for a single home usually run through the local health department, with Missouri health officials involved where state rules put them. The Missouri Department of Natural Resources oversees water wells and larger systems. A rural property file should keep those two tracks separate: well records on one side, septic permits and condition on the other.
References
Where this fits: this note belongs to Franklin County. See every local note for the county on its page.