§ 50.07. Location of new or replacement systems.

(a)

Individual sewage treatment systems and each component thereof shall be located and installed to ensure, with proper maintenance, that the system will function in a sanitary manner, will not create a nuisance and will not contaminate any domestic water supply well. System location shall consider lot size and configuration, proposed structures and other improvements, topography, surface drainage, soil conditions, depth to groundwater, geology, existing and proposed water supply wells, accessibility for maintenance, expansion or replacement of the system, and setbacks as required in Table IV of this chapter. Installation of systems in low swampy areas or drainage swales is prohibited. Systems shall not be located within utility or drainage easements or within dedicated public or private right-of-way.

(b)

Lot size. In addition to the area needed for all existing and expected improvements, the lot shall have an adequate area of soil suitable for the installation of two (2) individual sewage treatment systems, in the event that the primary system fails and a replacement system must be installed. The second drainfield site shall be preserved for this purpose.

(c)

Location of septic tanks. Septic tanks shall be located as required in Minnesota Rules 7080.0130, subpart 4.

(d)

System location. System location shall be as required in Minnesota Rules 7080.0170, subpart 2.B. and in accordance with the following table:

Table IV
Minimum Setback Distances (feet)

Feature	Sewage tank	Soil treatment area
Water supply well less than fifty (50) feet deep and not encountering at least ten (10) feet of impervious material	100	100
Any other water supply well or buried water suction pipe	75	75
Buried pipe distributing water under pressure	10	10
Buildings	10	20
Property lines	10	10
Established River Corridor bluff lines. See, Saint Paul Legislative Code Chapter 65 et seq.	40	40
The ordinary high water mark of: Recreation development lakes and streams	75	75
Urban and tributary river segments	50	50
Wetlands (1 acre or larger)	50	50

 

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