Kan. Stat. § 65-166
It is required of public authorities having by law the charge of the sewer system of any municipality, township, county, or legally constituted sewer district, and of each and every person, company, corporation, institution, municipality, or federal agency, that upon making application for a permit to discharge sewage into any waters of the state, or the extension of any sewer system, the application shall be accompanied by plans and specifications for the construction of the sewage collection systems and/or sewage treatment or disposal facilities, and any additional facts and information as the secretary of health and environment may require to determine adequate protection of the public health of the state and the beneficial uses of waters of the state.
K.S.A. 65-166