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I ~ I I I I I I -- I I I I I I I SUBW ATERSHED OBJECTIVES AND POUCIES This portion of the plan will discuss some of the major considerations in the development of the objectives and policies for each of the 24 subwatersheds within the RCWD. In the previous portion of the plan, objectives and policies were discussed in a general nature. This section will present the policies applicable to each subwatershed. Table 4-2 is a summary of the objectives and policies for each subwatershed. Subwatershed I: Howard Lake Policies: A.3, B.I, B.2, B.3, B.4, B.5, C.I, C.2, C.3, C.4, C.5, E.I, E.2, E.3, E.4, E.5, andF This subwatershed totals approximately 10.75 sq mi. Major waterbodies include Howard, Mud, and Clear Lakes. During the inventory process for this plan, three major concerns were identified. The first concern was the water quality of the lakes, the second was the effect of water quality on the Lamprey Pass Wildlife Area, and the third was soil erosion primarily in agricultural areas. Because of the large amounts of lake storage available in this subwatershed, additional storage is not required. There is a need to clearly define drainage routes and attempt to provide water quality ponding for runoff prior to entering the lakes. This will generally be accomplished through use of vegetated swales and sedimentation basins within developments. The DNR believes rough fish are a major problem with water quality in Howard and Mud Lakes and that wildlife habitat is being harmed by the lack of aquatic plants. The DNR is currently formulating a management plan to control rough fish by manipulating water levels and installing fish barriers. Recent cooperative groundwater studies performed in the Forest Lake area have sought to better define groundwater influences on Clear Lake. This information, combined with the District's revised monitoring strategies, will help diagnose problem areas within the Clear Lake watershed. Clear Lake was the subject of Clean Water Partnership Grant Applications which were not successful in securing funding. I 4-15 10/97