Final Mitigated Negative Declaration and Response to Comments
Final Mitigated Negative Declaration and Response to Comments Final Mitigated Negative Declaration and Response to Comments
CHAPTER 4 MANDATORY FINDINGS OF SIGNIFICANCE WOULD THE PROJECT: a) Does the project have the potential to degrade the quality of the environment, substantially reduce the habitat of a fish or wildlife species, cause a fish or wildlife population to drop below self-sustaining levels, threaten to eliminate a plant or animal community, reduce the number or restrict the range of a rare or endangered plant or animal? b) Have the potential to eliminate important examples of the major periods of California history or prehistory? c) Have impacts that are individually limited, but cumulatively considerable? (“Cumulatively considerable” means the incremental effects of a project are considerable when viewed in connection with the effects of past projects, other current projects, and probably future projects?) d) Have environmental effects that will cause substantial adverse effects on humans, either directly or indirectly? DISCUSSION LESS THAN POTENTIALLY SIGNIFICANT LESS THAN SIGNIFICANT WITH SIGNIFICANT NO IMPACT MITIGATION IMPACT IMPACT a) The proposed project was evaluated for potential significant adverse impacts to the natural environment and its plant and wildlife communities. The project site supports certain special status animal species and natural communities. DPR has determined that the project would have the potential to degrade the quality of the habitat and/or reduce the number or restrict the range of sensitive animals. The project also would have the potential to degrade water quality by causing a release of fine sediments into the water column. However, full implementation of all project requirements and mitigation measures incorporated into this project would reduce those impacts, both individually and cumulatively, to a less than significant level. b) There are no known important examples of the major periods of California history or prehistory in the project area. In addition, project activities will be temporary in nature and will not alter the physical character of the lake substrate. No impact. c) DPR often has smaller maintenance programs, as well as rehabilitation, interpretation, and accessibility projects planned for a park unit. Potential impacts from environmental issues addressed in this evaluation do not overlap in such a way as to result in cumulative impacts that are greater than the sum of the parts. Less than significant impact. 74 Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation
d) Most project-related environmental effects have been determined to pose a less than significant impact on humans. However, possible impacts from project related spills (Hazards and Hazardous Waste), boating activity (Recreation), moving bottom barriers (Transportation), and project related turbidity (Hydrology and Water Quality) though temporary in nature, have the potential to result in significant adverse effects on humans. These potential impacts would be reduced to a less than significant level if all project requirements incorporated into this project are fully implemented. Asian Clam Control Project IS/MND Emerald Bay State Park California Department of Parks and Recreation 75
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CHAPTER 4<br />
MANDATORY FINDINGS OF SIGNIFICANCE<br />
WOULD THE PROJECT:<br />
a) Does the project have the potential <strong>to</strong> degrade<br />
the quality of the environment, substantially reduce<br />
the habitat of a fish or wildlife species, cause a fish<br />
or wildlife population <strong>to</strong> drop below self-sustaining<br />
levels, threaten <strong>to</strong> eliminate a plant or animal community,<br />
reduce the number or restrict the range of a rare or<br />
endangered plant or animal?<br />
b) Have the potential <strong>to</strong> eliminate important examples<br />
of the major periods of California his<strong>to</strong>ry or<br />
prehis<strong>to</strong>ry?<br />
c) Have impacts that are individually limited, but<br />
cumulatively considerable? (“Cumulatively<br />
considerable” means the incremental effects of a<br />
project are considerable when viewed in connection<br />
with the effects of past projects, other current projects,<br />
<strong>and</strong> probably future projects?)<br />
d) Have environmental effects that will cause<br />
substantial adverse effects on humans, either directly<br />
or indirectly?<br />
DISCUSSION<br />
LESS THAN<br />
POTENTIALLY SIGNIFICANT LESS THAN<br />
SIGNIFICANT WITH SIGNIFICANT NO<br />
IMPACT MITIGATION IMPACT IMPACT<br />
a) The proposed project was evaluated for potential significant adverse impacts <strong>to</strong> the natural<br />
environment <strong>and</strong> its plant <strong>and</strong> wildlife communities. The project site supports certain<br />
special status animal species <strong>and</strong> natural communities. DPR has determined that the<br />
project would have the potential <strong>to</strong> degrade the quality of the habitat <strong>and</strong>/or reduce the<br />
number or restrict the range of sensitive animals. The project also would have the<br />
potential <strong>to</strong> degrade water quality by causing a release of fine sediments in<strong>to</strong> the water<br />
column. However, full implementation of all project requirements <strong>and</strong> mitigation measures<br />
incorporated in<strong>to</strong> this project would reduce those impacts, both individually <strong>and</strong><br />
cumulatively, <strong>to</strong> a less than significant level.<br />
b) There are no known important examples of the major periods of California his<strong>to</strong>ry or<br />
prehis<strong>to</strong>ry in the project area. In addition, project activities will be temporary in nature <strong>and</strong><br />
will not alter the physical character of the lake substrate. No impact.<br />
c) DPR often has smaller maintenance programs, as well as rehabilitation, interpretation, <strong>and</strong><br />
accessibility projects planned for a park unit. Potential impacts from environmental issues<br />
addressed in this evaluation do not overlap in such a way as <strong>to</strong> result in cumulative impacts<br />
that are greater than the sum of the parts. Less than significant impact.<br />
74<br />
Asian Clam Control Project IS/MND<br />
Emerald Bay State Park<br />
California Department of Parks <strong>and</strong> Recreation