567—69.2 (455B) Requirements when effluent is discharged into surface water. All discharges from onsite wastewater treatment and disposal systems which are discharged into any surface water, to the surface of the ground, or into a subsurface drainage tile that discharges to a surface water shall be treated in a manner that will conform with the requirements of NPDES General Permit No.	4 issued by the department of natural resources, as referenced in 567—Chapter 64. Prior to the installation of any system discharging to waters of the state, a notice of intent to be covered by NPDES General Permit No.	4 shall be submitted to the department. Systems covered by this permit must meet all applicable requirements listed in the NPDES permit, including effluent sampling and monitoring.