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City of Redwood City, Public Works Division Initial Study & Mitigated Negative Declaration <br />Document Date: October 15, 2015 <br />Revision Date: January 25, 2016 Page 17 Blankinship & Associates, Inc. <br /> <br />Discussion <br /> <br />Item a): Less Than Significant Impact. A list of current special status species was compiled from <br />the California Department of Fish and Wildlife (CDFW ) California Natural Diversity Database <br />(CNDDB), and the U.S. Fish and Wildlife Service (USFWS), Sacramento Office. Once this list <br />was compiled, a preliminary assessment of the Project area was performed to characterize the <br />actual habitats present on-site and the likelihood of special status species occurrence. <br /> <br /> A summary of the listed species, their conservation status, and whether or not they were <br />considered for evaluation of potential impact is presented in Table 1. Species habitat and <br />rationale for removal from further consideration is presented in Table 1 and more detailed <br />species life history information can be found in Appendix A. Physical, chemical and <br />toxicological data on copper is presented in Appendix B. <br /> <br />With one exception, no special status species has habitat in or near the Lagoon, or is <br />otherwise expected to be significantly exposed to aquatic herbicides used for the Project. <br /> <br />The one species that may be present in the project area is the longfin smelt. Adult longfin <br />smelt may swim from the San Francisco Bay into the Lagoon and enter treated water bodies. <br />Once in the Lagoon, longfin smelt may be exposed to copper through contact with treated <br />water. <br /> <br /> <br />Table 1. Species and Habitat Summary <br /> <br />Common Name Scientific <br />Name Status Habitat <br />Habitat is not <br />Present in <br />Project Area; <br />Species <br />Eliminated <br />from Further <br />Consideration <br />Habitat is Present in <br />Project Area; <br />Species Eliminated <br />from Further <br />Consideration for <br />Reasons Given (see <br />numbered notes) <br />Potential <br />Risk is <br />Present <br />from <br />Project <br />Activities <br />AMPHIBIAN <br />California tiger <br />salamander <br />Ambystoma <br />californiense <br />FT, ST, <br />SCSC <br />Herbaceous wetland, <br />temporary pool; <br />Grassland/herbaceous, <br />Savanna, Woodland - <br />Hardwood; Benthic, <br />Burrowing in or using <br />soil <br />X <br />California red- <br />legged frog Rana draytonii FT, <br />SCSC <br />Lowland foothills in or <br />near permanent <br />sources of deep water <br />with dense, shrubby, or <br />emergent riparian <br />vegetation. <br />X <br />western spadefoot Spea hammondii SCSC <br />Lowlands to foothills; <br />grasslands, open <br />chaparral, pine-oak <br />woodlands. Prefers <br />shortgrass plains, <br />sandy or gravelly soil. <br />Fossorial. Breeds in <br />temporary rain pools <br />and slow-moving <br />streams <br />X <br />6.3.A. - Page 25