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POst-It'"brand tax transmittal memo 7671 It/ea ow* <br /> •+�. y P 4 <br /> co. <br /> Dept. _ i Arip -Ls AGENDA * 9 <br /> Fa. <br /> 73e2 - 5eal 44 A Fax ((a7 4,5/40f - revised <br /> 410 <br /> RRMORANDUM <br /> TO: Mayor and Council <br /> FROM: Julie Andresen and Alan Rimer <br /> SUBJECT: Joint Planning amendments regarding protection of University <br /> Lake watershed and water quality <br /> DATE: March 26, 1990 <br /> As a follow-up to the Joint Planning public hearing on February 28, we <br /> want to report to you on subsequent discussions by the Chatham-Orange <br /> work Group regarding University Lake watershed matters. <br /> • <br /> BACKGROUND <br /> Present Joint Planning Agreement <br /> The present Agreement of November, 1987, provides that the portion of <br /> University Lake watershed in Orange County' s planning jurisdiction <br /> (about 80% of the watershed) , is part of the Rural Buffer established <br /> in the Joint Planning land use plan and defined in the Agreement. <br /> The Rural Buffer is defined as: <br /> "That portion of the Joint Planning Area designated on the Joint <br /> Planning Land Use Plan as Rural Residential, Agricultural, Pub- <br /> lic/Private Open Space, Resource Conservation, Extractive/Disposal use <br /> and the overlay district designated Water Quality Critical Area. This <br /> area is further defined as being a low-density area consisting of <br /> single-family homes situated on large lots having a minimum size of <br /> two ( 2) acres. The Rural Buffer is further defined as land which, <br /> although adjacent to and urban or Transition area, is rural in charac- <br /> ter and which will remain rural, contain low-density residential uses <br /> and not require urban services (public utilities and other town <br /> services) ." <br /> Camp Dresser and McKee study <br /> In March, 1989, the consulting firm of Camp Dresser and McKee complet- <br /> ed a study of University Lake Watershed for the Orange Water and Sewer <br /> Authority. <br /> The consulting engineers recommended land use and development controls <br /> as preferable to use of stormwater detention ponds for protecting the <br /> water quality of University Lake. The engineers recommended a 5-acre <br /> minimum lot size with a 4% limit on impervious surfaces such as roads <br /> and buildings, Camp Dresser and McKee also evaluated as acceptable an <br /> alternative of cluster development with an overall density of 3 . 3 <br /> acres per dwelling unit and including the 4% impervious surface limit <br /> and other controls. <br />