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<br /> <br />(3) Holding tanks. Holding tanks may be used for the following applications only after it <br />can be shown conclusively by the property owner that a an SSTS permitted under this <br />article cannot be feasibly installed: <br />a. As a replacement for an existing failing SSTS; <br />b. For an SSTS that poses an Imminent Threat to Public Health and Safety; or <br />c. For use with buildings with limited water use. <br />(4) Determination of hydraulic loading rate and SSTS sizing. <br />Table IX from Minn. R. 7080.2150, subp. 3(E) entitled "Loading Rates for <br />Determining Bottom Absorption Area and Absorption Ratios Using Detailed Soil <br />Descriptions"" and Table IXa from Minn. R. 7080.2150, subp. 3(E) entitled "Loading <br />Rates for Determining Bottom Absorption Area" Using Percolation Tests" and herein <br />adopted by reference shall both be used to size SSTS infiltration areas using the larger <br />sizing factor of the two for SSTS design. <br />SECTION 5. EFFECTIVE DATE: This ordinance shall take effect immediately upon its passage <br />and publication. <br /> <br />ADOPTED this 11 day of March, 2024 by the City Council of the City of Orono, <br />Minnesota. <br /> <br /> CITY OF ORONO <br /> <br /> <br />By: ________________________________ <br /> Dennis Walsh, Mayor <br />ATTEST: <br /> <br /> <br />________________________________ <br />Christine Lusian, City Clerk <br /> <br />85