(1) Where running water and sewer or septic tank connections are reasonably available, flush-type toilets and urinals must be maintained.

(2) Chemical toilets or privies may only be used where it is impractical to install inside toilet and urinal facilities.

(3) No privy, urinal, cesspool, septic tank or other receptacle for human excrement must be used which directly or indirectly drains or discharges over, into or upon the surface of the ground or into the waters of the state.