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O opn� <br />Water Boards <br />Lahontan Regional Water Quality Control Board <br />March 1, 2013 <br />Denyelle Nishimori, Senior Planner <br />Town of Truckee Community Development Department <br />10183 Truckee Airport Road <br />Truckee, CA 96161 <br />COMMENTS ON THE 2012 DRAFT ENVIRONMENTAL IMPACT REPORT FOR THE <br />PROPOSED CANYON SPRINGS SUBDIVISION PROJECT (PROJECT) <br />(SCH# 2004052060), TOWN OF TRUCKEE, NEVADA COUNTY <br />The Lahontan Regional Water Quality Control Board (Water Board) staff received a <br />copy of the Draft Environmental Impact Report (DEIR) for the above - referenced project <br />on December 21, 2012. The proposed Project presented in the current DEIR reflects <br />revisions to previously proposed developments involving the Project. The Project will be <br />located at the far eastern end of the Town of Truckee on currently undeveloped land. <br />We have reviewed the DEIR and our comments follow. <br />1. Section 4.6 Geology, Soils and Seismicity: E. Impacts and Mitigation <br />Measures, Impact and Mitigation Measure GEO -3, Page 4.6 -22 - During <br />grading and earthwork on the project site soil erosion and the loss of topsoil <br />may occur. This Section of the DEIR does not identify or discuss the Water <br />Board permitting requirements in regard to soil stabilization for construction <br />projects with over an acre of soil disturbance (although the same permitting <br />requirements are discussed in Section 4.9 (page 4.9 -5) in regard to hydrology <br />and water quality). The Water Board will require the project proponent to <br />procure a Statewide General Stormwater Construction Permit, and provide a <br />Stormwater Pollution Prevention Plan for the proposed Project that <br />adequately addresses Best Management Practices and soil stabilization <br />implementation. <br />2. Section 4.9 Hydrology and Water Quality: B.2.b. State Laws and Regulations, <br />Water Quality Control Plan for the Lahontan Region (Basin Plan), Paragraph <br />2, last sentence, states "However, exemptions may be granted by the <br />Lahontan RWQCB that fall within the following categories of new projects." <br />Page 4.9 -4 —This statement regarding discharges due to disturbance to 100 - <br />year floodplains fails to address that the Project categories allowed must also <br />meet certain requirements; in addition, findings must be made pursuant to the <br />Basin Plan prior to exemptions being granted. However, we note that no <br />disturbance is proposed within any 100 -year floodplain. <br />PETER C. PUMPHRt'r, CHAIR I PATTY Z KOUYOUMDJIAN, EXECUTIVE OFFICER <br />2501 Lake Tahoe Blvd.. So. Lake Tahoe. CA 96150 1 www.walerboarda.ca gov /lahontan <br />Ci RECYCLED PAPER <br />CDMNn G OnowN iii <br />Q <br />_1 I'll. <br />w Rannwur z <br />lv \- <br />UL 111 1 <br />UL 111 wry .un <br />nrvmrnwulrnl rnmtc uon <br />COMMENTS ON THE 2012 DRAFT ENVIRONMENTAL IMPACT REPORT FOR THE <br />PROPOSED CANYON SPRINGS SUBDIVISION PROJECT (PROJECT) <br />(SCH# 2004052060), TOWN OF TRUCKEE, NEVADA COUNTY <br />The Lahontan Regional Water Quality Control Board (Water Board) staff received a <br />copy of the Draft Environmental Impact Report (DEIR) for the above - referenced project <br />on December 21, 2012. The proposed Project presented in the current DEIR reflects <br />revisions to previously proposed developments involving the Project. The Project will be <br />located at the far eastern end of the Town of Truckee on currently undeveloped land. <br />We have reviewed the DEIR and our comments follow. <br />1. Section 4.6 Geology, Soils and Seismicity: E. Impacts and Mitigation <br />Measures, Impact and Mitigation Measure GEO -3, Page 4.6 -22 - During <br />grading and earthwork on the project site soil erosion and the loss of topsoil <br />may occur. This Section of the DEIR does not identify or discuss the Water <br />Board permitting requirements in regard to soil stabilization for construction <br />projects with over an acre of soil disturbance (although the same permitting <br />requirements are discussed in Section 4.9 (page 4.9 -5) in regard to hydrology <br />and water quality). The Water Board will require the project proponent to <br />procure a Statewide General Stormwater Construction Permit, and provide a <br />Stormwater Pollution Prevention Plan for the proposed Project that <br />adequately addresses Best Management Practices and soil stabilization <br />implementation. <br />2. Section 4.9 Hydrology and Water Quality: B.2.b. State Laws and Regulations, <br />Water Quality Control Plan for the Lahontan Region (Basin Plan), Paragraph <br />2, last sentence, states "However, exemptions may be granted by the <br />Lahontan RWQCB that fall within the following categories of new projects." <br />Page 4.9 -4 —This statement regarding discharges due to disturbance to 100 - <br />year floodplains fails to address that the Project categories allowed must also <br />meet certain requirements; in addition, findings must be made pursuant to the <br />Basin Plan prior to exemptions being granted. However, we note that no <br />disturbance is proposed within any 100 -year floodplain. <br />PETER C. PUMPHRt'r, CHAIR I PATTY Z KOUYOUMDJIAN, EXECUTIVE OFFICER <br />2501 Lake Tahoe Blvd.. So. Lake Tahoe. CA 96150 1 www.walerboarda.ca gov /lahontan <br />Ci RECYCLED PAPER <br />