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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 local ordinance requiremenfs and do not alter local oversight authority. As explained in the EAW, many measures are being implemented fo reduce the impact of proposed development. Proposed traffic mitigation measures are outlined in the response to EAW Questron 21. The EAW states "To improve operating conditions under Year 2018 Cumulative Conditions (i.e., Campus Master Plan full buildout case) the following mitigation measures are suggested: 1) Implementing a traffic signal at Fairview Avenue/Lydia Avenue with.`an exclusive soufhbound left turn lane of 250 feet; 2) Directing outbound right;turns and inbound left turns to and from the west via fhe Northwestem College west gate during the p.m. peak hour, 3) Adding an exclusive 150-foof right turn;lane atlydia/College entrance to facilitate safe maneuvers for college=bound, vehicles; 4)Adding appropriate berming on the south side of the intersecfion of Lydia/College to accommodate inbound left turns from the west and to mitigafe pofential impacts from car headlights to residential properties to the south;' S) One additional exclusive eastbound {eft tu►�7 lar►e at Snel{ing Avenue%ydia Ave�fue w;th left iurn lanes extended to 200 feet (the College will dedicafe the right-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 G2 with left tum�lanes'extended to 200 feet. 7) Developing a Travel Demand Management P/an' (TDM) for carripus studenfs, staff, and employees. " C .r�.v � Stormwater Management„Practrces are outlined in the SWMP attached to the �'��:x; f� EAW, however,;,,the Plan presents a campus-wide Stormwater Managemenf strategy that identifies Best Management Pracfices that can be implemented to facilitate the campus:redevelopment and mitigate for potential development impacts. The overal! goal is to cooperate with appropriate agencies including the Cities of Roseville ancl;Arden Hil/s, Rice Creek Watershed District and the Minnesota Pollution Contro/ Agency to improve the quality of both of the campus /akes. Achievement of these goals will deliver good quality stormwater runoff from the campus to /akes 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 materia! storage control, turf management, parking lot cleaning; pervious pavements to reduce the amount of runoff,� infiltrafion 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 wafer management practices for the proposed capital improvements will be designed and constructed in a manner meeting federal, state, and local permitfing requirements, for water qualify and quantity control, at the time the improvements are constructed. TKDA Project No. 13529.002 Page 3 Dra(t Date: July 9, 2007