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CITY OF LAKE ELMO <br />COUNTY OF WASHINGTON <br />STATE OF MINNESOTA <br />ORDINANCE NO.08-043 <br />AN ORDINANCE APPROVING MINOR REVISIONS TO SECTION 150.283 <br />AND SECTION 150.287 OF THE CITY CODE GOVERNING STORM WATER <br />AND EROSION AND SEDIMENT CONTROL <br />Section 1. The City Council of the City of Lake Elmo hereby ordains that Section <br />150.283 subdivision (A) (1) (a) is hereby amended to read as follows: <br />a) Any land development activity that increases and/or replaces impervious <br />surface with a surface area exceeding one acre, including smaller individual <br />sites that are part of a common plan of development that may be constructed <br />at different times; and/or <br />Section 2. The City Council of the City of Lake Elmo hereby ordains that Section <br />150.283 subdivision (A) (2) (b) and (c) are hereby amended to read as follows: <br />b) . Reconstruction of existing public trails and construction of new public trails <br />that are not a part of a proposed land development activity as defined in (A) <br />(1) above. <br />c) Reclamation and maintenance of existing public streets. <br />Section 3. The City Council of the City of Lake Elmo hereby ordains that Section <br />150.287 subdivision (A) (2) (b) (i) and (c) (i) are hereby amended to read as follows: <br />b) Rate Control Requirements <br />i) The rate of storm water runoff discharge in from a proposed site <br />shall not be greater than the rate of storm water runoff <br />discharging prior to the proposed site alteration for the 2-, 10- <br />and 100-year storm events. Storm water best management <br />practices to meet this requirement shall be designed and <br />constructed in accordance with the most current version of the <br />City Engineering Design Standards. The City Engineer retains <br />the authority to require the above conditions to apply to the rate <br />of storm water runoff discharging at any point leaving the site. <br />The analyses for the rate of storm water runoff shall be <br />calculated using the Soil Conservation Service Type II time <br />distribution for the 2-, 10-, and 100-year 24-hour storm events. <br />The rate of storm water runoff prior to the proposed <br />