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<br />I <br /> <br />~ <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />. <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />~ <br /> <br />I <br /> <br />8.15.01 <br /> <br />The 24-hour duration, NRCS Type II rainfall distribution with average soil <br />moisture eonditions (AMC-2) will be used for overall subwatershed planning <br />within the City of Arden Hills. <br /> <br />Surface Water Resources <br /> <br />Drainage Ditches <br />The City of Arden Hills has publie ditehes within the City limits. Most of the <br />ditehes in the RCWD were constructed primarily to drain land for agricultural <br />purposes. Ramsey County Ditch 4 drains into Little Johanna Lake and <br />subsequently outlets into Lake Johanna. Ramsey County Diteh 4 flows from <br />the south end of the City towards the northwest. Ramsey County Ditch 12 <br />flows east-west through the central part of the City, Valentine Lake drains into <br />Ramsey County Ditch 12. Figure 4 shows the approximate location of these <br />ditches. <br /> <br />City of Arden Hills, Minnesota <br />Local Water Resource Management Plan <br /> <br />A-ARDEN0101.00 <br />Page 11 <br />