Agenda - Council - 05/13/2014 - Laserfiche WebLink

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7080.1200 INDIVIDUAL SUBSURFACE SEWAGE TREATMENT SYSTEMS 20 Subp. 86. Toilet waste treatment devices. "Toilet waste treatment devices" means other toilet waste apparatuses including incinerating, composting, biological, chemical, recirculating, or holding toilets or portable restrooms. Subp. 87. Topsoil. "Topsoil" means the natural, in -place organically enriched soil layer with a color value of less than 3.5. Subp. 88. Topsoil borrow. "Topsoil borrow" means a loamy soil material having: A. less than five percent material larger than two millimeters, No. 10 sieve; B. no material larger than 2.5 centimeters; C. a moist color value of less than 3.5; and D. adequate nutrients and pH to sustain healthy plant growth. Subp. 89. Trench. "Trench" means a soil treatment and dispersal system, the absorption width of which is 36 inches or less. Subp. 89a. Uniform distribution. "Uniform distribution" means a method that distributes effluent evenly over the entire absorption area of a component over both time and space. Subp. 90. Valve box. "Valve box" means a watertight structure designed for alternate distribution of sewage tank effluent to segments of a soil treatment system. Subp. 91. Vertical separation. "Vertical separation" means the vertical measurement of unsaturated soil or sand between the bottom of the distribution medium and the periodically saturated soil level or bedrock. Subp. 92. Watertight. "Watertight" means constructed so that no liquid can get into or out of a device except through designed inlets and outlets. Subp. 93. Wellhead protection area. "Wellhead protection area" means the surface and subsurface area surrounding a well or well field that supplies a public water system, through which contaminants are likely to move toward and reach the well or well field as regulated under chapter 4720. For the purposes of this chapter, wellhead protection area is that area bounded by the drinking water supply management area as regulated under chapter 4720. Statutory Authority: MS s 115.03; 115.55 History: 32 SR 1347; 35 SR 1353 Published Electronically: October 10, 2013 7080.1200 ADMINISTRATION OF DESIGN STANDARDS. Subpart 1. Administrative scope. ISTS must be designed, constructed, and operated according to this chapter, except as modified through a local ordinance in compliance with chapter 7082 and Minnesota Statutes, section 115.55. ISTS must be designed, installed, inspected, pumped, serviced, and operated by licensed businesses meeting the qualifications in parts 7083.0070 to 7083.2040. ISTS must conform to all applicable state laws and rules. Subp. 2. Federal regulation. SSTS that are designed to receive sewage or nonsewage from a two-family dwelling or greater or receive sewage or nonsewage from another establishment that serves more than 20 persons per day, are regulated under Code of Federal Regulations, title 40, parts 144 and 146. Copyright ©2014 by the Rev so of Statutes, State of Minnesota. All Rights Reserved.