Agenda - 02-05-1990 - Laserfiche WebLink

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2 MEMORANDUM TO: JOHN LINK, COUNTY MANAGER FROM: MARVIN COLLINS, PLANNING DIRECTOR DATE: FEBRUARY 1, 1990 SUBJECT: RECOMMENDED IMPERVIOUS SURFACE STANDARDS - UNIVERSITY LAKE WATERSHED COPIES: GEOFFREY GLEDHILL, COUNTY ATTORNEY PAUL THAMES, COUNTY ENGINEER At the November 1989 public hearing, proposed revisions to the interim development standards for University Lake watershed were presented. Mr. Bill Birch, a resident of the watershed, expressed concern about the ability of existing and future residents to comply with the proposed 4% impervious surface limit for 5-acre lots. A similar concern was expressed about the proposed 6% limit for 2-acre lots . Subsequent to the hearing, I met with Mr. Birch to discuss his concerns . He provided two examples to illustrate his point (see Attachments R and 13 ) . Based on the discussion, i told Mr. Birch that I would examine the applicability of the proposed impervious surface limits in greater detail . This memorandum summarizes my efforts to date. Because of the amount of material involved, i have tried to limit my comments only to significant points. The basic premise underlying my work was not to challenge the findings of the Camp, Dresser & McKee (CDM) study but to determine if citizens could comply with the recommended impervious surface standards, and, if they could not, what options were available. Origin of the 41 and 6% Standards In March 1989, CDM issued the Final Report - University Lake Watershed Study. Subsequently, the Joint Chatham-Orange Work Group began reviewing the study for the purpose of recommending watershed protection strategies to its constituent jurisdictions . In October 1989, the Work Group completed a proposed 13-point agreement (see Attachment a.) . Among the representatives of the Joint Watershed Work Group, there was consensus on the following basic strategies :