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6 <br /> options were presented at public hearing. Option #1, which is the recommended option is <br /> based on the land use control strategy recommended by CDM, the consultants who prepared +"'--• <br /> University Lake Watershed Study, and the Joint Watershed Work Group. The most basic <br /> provisions of this option include a minimum lot size requirement of five (5) acres and a <br /> maximum density of one (1) unit per five (5) acres for any development. Cluster <br /> subdivisions with lot sizes of not less than one (1) acre are also allowed as well as the <br /> creation of a limited number (5) of two-acre lots. As an alternative to the latter <br /> provision, the number of new two-acre lots which can be created may be limited to two (2) <br /> in order to maintain higher water quality levels. Development standards for impervious <br /> surface coverage; stream buffers; placement of streets, driveways, and buildings; and water <br /> supply/sewage disposal facilities are also proposed. <br /> The CDM study recommends a four percent (4%) impervious surface limitation for five-acre <br /> lots, while the proposed 13-Point Agreement of the Watershed Work Group included a four <br /> percent (4%) limit for five acre lots, six percent (6%) for two to five-acre lots, and <br /> twelve percent (12%) for lots smaller than two acres. In addition to the Work Group <br /> proposal, a more workable six percent (6%) ratio has been proposed by the Orange County <br /> Planning Department for five acre lots. To account for lots larger than five acres, <br /> existing lots of less than five acres, and the limited number of two-acre lots which may be <br /> created, a sliding scale of impervious surface ratios is proposed, ranging from four <br /> percent (4%) for six-acre lots to fifteen percent (15%) for half-acre lots. <br /> Motion was made by Commissioner Willhoit, seconded by Chairman Carey to <br /> approve the staff's recommendation. Commissioner Hartwell offered an amendment to the <br /> motion to table action on the amendments as presented to Article 4.2.27 and Article 4.2.28, <br /> seconded by Chairman Carey. <br /> • <br /> VOTE ON THE AMENDMENT: UNANIMOUS. <br /> Commissioner Hartwell offered to amend section 6.25.5.4 by deleting "or <br /> closer than twenty (20) feet to the nearest edge of". This amendment failed for lack of a <br /> second. ' <br /> VOTE ON THE ORIGINAL MOTION: UNANIMOUS. <br /> THE AMENDMENTS APPROVED BY THIS MOTION ARE LISTED BELOW <br /> C. Amend Article 4.2.30 Major Transportation Corridor (MTC) District by renumbering the <br /> Article to 4.2.31. (This amendment provides space for a new Article 4.2.30 establishing <br /> the University Lake Watershed (ULW) District. ) <br /> D. Amend Article 4 by adding a new Article 4.2.30 University Lake Watershed (ULW) District <br /> to read as follows: <br /> a. Intent - <br /> The purpose of the University Lake Watershed (ULW) District is to prevent <br /> significant future water quality deterioration in University Lake, a reservoir <br /> supplying drinking water to the people of southeastern Orange County. Based on a <br /> study entitled Final Report - University Lake Watershed Study and dated March, <br /> 1989, the lake already exhibits some water quality deterioration. Unless <br /> additional protective actions are taken, University Lake is vulnerable to <br /> additional pollution from eutrophication (nutrient enrichment), toxicants, and , .. <br /> sedimentation. -- <br /> • <br />