No private water supply shall be drilled without first submitting a completed Private Water Supply Well Application (pdf) and fee (pdf) to Riley County Planning & Development. Within 30 days after construction or plugging of a water well, the water well contractor shall submit a copy of the water well record. The minimum separation requirements from a private wastewater disposal system or septic tank is 100 feet. The minimum separation requirements from dwellings and structures which might be treated for terminate infestation is 50 feet. For all other separation requirements please refer the Riley County Sanitary Code (pdf).