Final Mitigated Negative Declaration and Response to Comments

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CHAPTER 5 SUMMARY OF MITIGATION MEASURES The following mitigation measures would be implemented by DPR as part of the Asian Clam Control Project. AESTHETICS No project requirements or mitigations measures are necessary. AGRICULTURAL RESOURCES No project requirements or mitigations measures are necessary. AIR QUALITY No project requirements or mitigations measures are necessary. BIOLOGICAL RESOURCES MITIGATION MEASURES BIO-1: Nesting Osprey and Bald Eagle To the extent possible, project activities would occur outside of the osprey (April 1 – August 15) and bald eagle (February 15 – August 15) breeding seasons. If work is required during the breeding season, a DPR-approved biologist would conduct surveys to document reproductive activity of the established osprey and eagle nests within 0.25 and 0.5 miles, respectively, of the project area. o If the nests are not occupied or the young have fledged then project activities would be allowed to commence. o If osprey or eagles are actively incubating eggs or have young in the fledgling state within 0.25 or 0.5 miles, respectively, of the project area, no work would be conducted. o If there are chicks on the nest, work could be authorized by a DPR-approved biologist if: i. A DPR-approved biologist is onsite during all operations to monitor the nests to ensure the young or adults are not visibly disturbed by project activities, ii. Any visible disturbance attributable to the project activities would result in the project being postponed until after the young fledge, iii. No more than 4 hours of activities creating noise above ambient levels would occur in any 24-hour period. CULTURAL RESOURCES No project requirements or mitigations measures are necessary. GEOLOGY AND SOILS No project requirements or mitigations measures are necessary. Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation 76
GREENHOUSE GAS EMISSIONS No project requirements or mitigations measures are necessary. HAZARDS AND HAZARDOUS MATERIALS MITIGATION MEASURE HAZMAT-1: Spill Prevention and Response Prior to the start of project activities, all equipment and vehicles will be cleaned and serviced. Routine vehicle and equipment checks will be conducted during the project to ensure proper operating conditions and to avoid any leaks. All contaminated residue or other hazardous compounds will be contained and disposed of outside of the boundaries of the site at a lawfully permitted or authorized site. Benthic barriers will be cleaned at an established decontamination facility authorized by the Tahoe Regional Planning Agency. Boats and barges used in project activities will be required to have an emergency spill response plan and kit. HYDROLOGY AND WATER QUALITY MITIGATION MEASURES HYDRO-1 A Water Quality Monitoring Plan will be prepared and presented to the TRPA and LRWQCB for approval prior to conducting project activities. Turbidity will be measured before, during, and after installation and removal of benthic barriers. Turbidity curtains will be utilized during suction removal activities to contain any disturbance related turbidity. Underwater AC control activities in Lake Tahoe require permits from the Army Corps of Engineers, Lahontan Regional Water Quality Control Board, Tahoe Regional Planning Agency, and the California Department of Fish and Game. All of these permits require monitoring and protective measures to ensure that project activities do not result in significant impacts to water quality. Project activities will not commence until all required permits are attained. The water intake at Eagle Point Campground will be turned off during removal of the benthic barriers and will not be turned back on until water quality returns to background levels. LAND USE AND PLANNING No project requirements or mitigations measures are necessary. MINERAL RESOURCES No project requirements or mitigations measures are necessary. NOISE No project requirements or mitigations measures are necessary. POPULATION AND HOUSING No project requirements or mitigations measures are necessary. Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation 77
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FINAL MITIGATED NEGATIVE DECLARATIO
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2009. Initial surveys estimated thi
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Emerald Bay will require traffic co
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7 Asian Clam Control Project Final
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LAHONTAN REGIONAL WATER QUALITY CON
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the infestation is 600 feet. The ba
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More detail on the range of lake bo
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The MND states that there will be n
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arriers have not been secured with
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INITIAL STUDY MITIGATED NEGATIVE DE
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Pursuant to Section 21082.1 of the
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CHAPTER 1 INTRODUCTION 1.1 INTRODUC
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This chapter provides a list of tho
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The invasion and establishment of A
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the edges of the rubber sheets for
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2.10 DISCRETIONARY APPROVALS DPR re
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1. ENVIRONMENTAL FACTORS POTENTIALL
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and receives approval from the Cali
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DISCUSSION a-e) As noted in the Env
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for six criteria pollutants after t
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IV. BIOLOGICAL RESOURCES. ENVIRONME
Page 51 and 52: Water Plant Community are not expec
Page 53 and 54: (Helisoma newberryi) creeks. Lake T
Page 55 and 56: mouth of Emerald Bay. Creating nois
Page 57 and 58: ecosystems as wetlands, meadows, an
Page 59 and 60: V. CULTURAL RESOURCES. ENVIRONMENTA
Page 61 and 62: and prolonged droughts (Lindström
Page 63 and 64: Roads expanded and upgraded the roa
Page 65 and 66: CALIFORNIA ENVIRONMENTAL QUALITY AC
Page 67 and 68: esources in consultation with the O
Page 69 and 70: Liquefaction and Landslide Hazards
Page 71 and 72: would not increase as a result of t
Page 73 and 74: • Carbon Dioxide - The natural pr
Page 75 and 76: VIII. HAZARDS AND HAZARDOUS MATERIA
Page 77 and 78: emergencies and activities would al
Page 79 and 80: WOULD THE PROJECT: a) Violate any w
Page 81 and 82: Mitigation Measure Hydro-1: Water Q
Page 83 and 84: DISCUSSION a) The proposed project
Page 85 and 86: XII. NOISE. ENVIRONMENTAL SETTING T
Page 87 and 88: DISCUSSION a) Project activities re
Page 89 and 90: DISCUSSION a-c) The project does no
Page 91 and 92: WOULD THE PROJECT: a) Result in sig
Page 93 and 94: implemented to inform the public, s
Page 95 and 96: D E F convenience decreasing as den
Page 97 and 98: c) This project will not will not i
Page 99 and 100: significant environmental effects?
Page 101: d) Most project-related environment
Page 105 and 106: CHAPTER 6 REFERENCES Chapter 2 Univ
Page 107 and 108: Cultural Resources Barrett, S. A.,
Page 109 and 110: Murphy and C.M. Knopp. Report prepa
Page 111 and 112: Tahoe Regional Planning Agency (TRP
Page 113 and 114: Report Preparation CALIFORNIA DEPAR
Page 115 and 116: APPENDIX B SENSITIVE SPECIES LIST _
Page 117 and 118: Martes pennanti o fisher (C) Plants
Page 119 and 120: If a Federal agency is involved wit
Page 121 and 122: APPENDIX C ACRONYMS _______________
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