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prior to project construction and will be in accordance with the respective City ordinance requirements. 4. Comment: Many of the choices that influence water quality are made locally through land use policies and decisions. The development plans are taking policies and decisions out of this local oversight. Do measures need to be implemented to reduce the impact of development? Response: The development plans were submitted according to /ocal ordinance requirements and do not alter /oca/ oversight authority. As explained in the EAW, many measures are being implemented to reduce the impact of proposed development. Proposed traffic mitigation measures are outlined in the response to EAW Question 21. The EAW states "To improve operating conditions under Year 2018 Cumulative Conditions (i. e., C mpus Master Plan full buildout case) the following mitigafion measures are '� sted: 1) Implementing a traffic signal at Fairview Avenue/Lydia Avenue w' °"" exclusive southbound left turn lane of 250 feet; 2) Directing outbound r�� •�rns and inbound left tums to and from the west via the Northwestern Colleg ��rest gate during the p.m. peak hour; 3) Adding an exclusive 150-foot righ��um lane at Lydia/College entrance to facilitate safe maneuvers for college-bound vehicles; 4)Adding appropriate berming on the south side of the intersection of Lydia/College to accommodate inbound left turns from the west and to mitrgate potential impacfs from car headlights to residential properties to the southa.5 One additional exclusive eastbound left turn lane at Snelling Avenue/Lydi "�`. enue with left turn lanes extended to 200 feet (the College will dedicate th ��ight-of-way required on either side of Lydia Avenue to accommodate the new lanes); 6)One additional exclusive eastbound left turn lane at Snelling Avenue/County Road C-2 with left turn lanes extended to 200 feet. 7) Developing a Travel Demand Management Plan (TDM) for campus students, staff, and employees." �� Stormwater Managemer�.Practrces are outlined in the SWMP attached to the EAW, however, the Plan presents a campus-wide Stormwater Management strategy that identifies Best Managemenf Practices that can be implemented to facilitate the campu; redevelopment and mitigate for potential development impacts. The overa � al is to cooperate with appropriate agencies including the Cities of Roseville an -'' 'rden Hills, Rice Creek Watershed District and the Minnesota Pollution Control Agency fo improve the quality of both of the campus lakes. Achievement of these goals will deliver good quality stormwater runoff from the campus to lakes and wetlands at acceptable rates and volumes, while reducing pollutant and sediment loadings and stream bed/stream bank erosion and water quality degradation. Stormwater quality and quantity Best Management Practices (BMPs) that seem particularly appropriate for the campus include: wet detention ponds; pollution prevention such as material storage control, turf management, parking lot cleaning; pervious pavements to reduce the amount of runoff,� infiltration practices and filter devices which primarily trap solids that have pollutants attached to them. With these and other mitigation measures in place, the project has no potential for significant environmental effects. Storm water management practices for the proposed capital improvements will be designed and constructed in a manner meeting federal, state, and local permitting requirements, for water quality and quantity control, at the time the improvements are constructed. TKDA Project No. 13529.002 Page 3 Draft Date: July 9, 2007