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7080.2270 INDIVIDUAL SUBSURFACE SEWAGE TREATMENT SYSTEMS 54 <br />Statutory Authority: MS s 115.03; 115.55 <br />History: 32 SR 1347 <br />Published Electronically: October 10, 2013 <br />7080.2250 TYPE II SYSTEMS. <br />Systems designed according to parts 7080.2270 to 7080.2290 are considered Type II systems. <br />Statutory Authority: MS s 115.03; 115.55 <br />History: 32 SR 1347; 35 SR 1353 <br />Published Electronically: October 10, 2013 <br />7080.2260 Repealed, 35 SR 1353] <br />Published Electronically: October 10, 2013 <br />7080.2270 FLOODPLAIN AREAS. <br />Subpart 1. General. ISTS must be designed under this part if the system is proposed to be located <br />in a floodplain. A system located in a floodplain must meet or exceed the following requirements: <br />A. employ flow values in parts 7080.1850 to 7080.1885; <br />B. meet or exceed applicable technical requirements of parts 7080.1900 to 7080.2030, <br />7080.2050, and 7080.2100, except as modified in this part; <br />C. provide flow measurement if a pump is to be employed; <br />D. meet or exceed the requirements of parts 7080.2210 to 7080.2230; <br />E. meet or exceed requirements of part 7080.2150, subparts 2 and 3, except as modified in this <br />subpart; and <br />F. meet the requirements of subparts 2 to 11. <br />Subp. 2. State and local requirements. The allowed use of systems in floodplains must be according <br />to state and local floodplain requirements. <br />Subp. 3. Location of system. An ISTS must not be located in a floodway and, whenever possible, <br />placement within any part of the floodplain should be avoided. If no alternative exists, a system is allowed <br />to be placed within the flood fringe if the requirements in subparts 4 to 11 are met. <br />Subp. 4. Openings. There must be no inspection pipe or other installed opening from the distribution <br />media to the soil surface. <br />Subp. 5. Highest ground. An ISTS must be located on the highest feasible area of the lot and must <br />have location preference over all other improvements except the water supply well. If the ten-year flood data <br />are available, the bottom of the distribution media must be at least as high as the elevation of the ten-year <br />flood. <br />Subp. 6. Pump. If a pump is used to distribute effluent to the soil treatment and dispersal system, <br />provisions shall be made to prevent the pump from operating when inundated with floodwaters. <br />Copyright ©2014 by the Rev <br />so <br />of Statutes, State of Minnesota. All Rights Reserved. <br />