§ 50.09. Final treatment and disposal.

(a)

Treatment required. The system or systems shall be designed, installed and maintained to receive all sewage from the dwelling, building or other establishment served. Footing or roof drainage shall not enter any part of the system. Products containing hazardous materials must not be discharged to the system, other than a normal amount of household products and cleaners designed for household use. Substances not used for household cleaning, including solvents, pesticides, flammables, photo-finishing chemicals or dry cleaning chemicals, must not be discharged to the system. Final treatment and disposal of all sewage tank effluent shall be by means of a standard soil treatment and disposal system.

(b)

System sizing. System sizing shall be as provided in Minnesota Rules Chapter 7080.

(c)

System design and construction for new and replacement systems. System design and construction shall be as required in Minnesota Rules Chapter 7080 and as follows:

(1)

In soils having percolation rates of fifteen (15) minutes per inch or faster, the bottom of the filter material shall be at least four (4) feet above the water table or bedrock.

(2)

In soils having percolation rates of sixteen (16) minutes per inch through sixty (60) minutes per inch, the bottom of the filter material shall be at least three (3) feet above the water table or bedrock.

(3)

Excavation equipment or other vehicles shall not be driven on the soil treatment area.

(Ord. No. 17888, § 1, 11-21-91; C.F. No. 98-601, § 1, 8-5-98)