(A) Any public or private supply of water for domestic purposes must meet or exceed standards for water quality of the State Department of Health and the State Pollution Control Agency.
(B) Any premises used for human occupancy must be provided with an adequate method of sewage treatment, as follows.
(1) Publicly-owned sewer systems must be used where available.
(2) All private sewage treatment systems must meet or exceed the State Pollution Control Agency's standards for individual sewage treatment systems contained in the document titled, “Individual Sewage Treatment Systems Standards, Minn. Rules Chapter 7080,” a copy of which is hereby adopted by reference and declared to be a part of this chapter.
(3) On-site sewage treatment systems must be set back from the ordinary high water level in accordance with the setbacks contained in § 151.36.
(4) (a) All proposed sites for individual sewage treatment systems shall be evaluated in accordance with the criteria in this division (B). If the determination of a site's suitability cannot be made with publicly available, existing information, it shall then be the responsibility of the applicant to provide sufficient soil borings and percolation tests from on-site field investigations.
(b) Evaluation criteria:
1. Depth to the highest known or calculated ground water table or bedrock;
2. Soil conditions, properties and permeability;
3. Slope; and
4. The existence of lowlands, local surface depressions and rock outcrops;
(5) Nonconforming sewage treatment systems shall be regulated and upgraded in accordance with § 151.56.
(Ord. 180, passed 12-13-93)