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3_Exhibit C_ADDENDUM ONLY
City of Pleasanton
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02-22
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3_Exhibit C_ADDENDUM ONLY
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2/17/2023 2:21:14 PM
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CITY CLERK
CITY CLERK - TYPE
AGENDA REPORT
DOCUMENT DATE
12/22/2023
DESTRUCT DATE
15Y
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\BOARDS AND COMMISSIONS\PLANNING\AGENDA PACKETS\2020 - PRESENT\2023\02-22
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City of Pleasanton—Stoneridge Mall Residential Project <br />Section 15183 Checklist/15164 Addendum CEQA Checklist <br /> <br /> <br />FirstCarbon Solutions 127 <br />Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480017/Consistency Checklist/21480017 Stoneridge Mall Residential Project Checklist <br />Addendum_Updated.docx <br />specific guidelines or requirements identified by the City’s operations services director.63 These <br />bioretention areas would provide an opportunity to treat areas where runoff can collect some of the <br />worst pollutants in high concentrations, such as parking lots and roads (Exhibit 9). Therefore, impacts <br />would continue to be less than significant, and no mitigation is necessary, consistent with the Prior <br />EIR. There are no proposed changes, new circumstances, or new information that would cause new <br />or more severe impacts. <br />Therefore, there are no environmental effects that are peculiar to the proposed project or the <br />parcels on which the proposed project would be located. Impacts would be less than significant and <br />the proposed project would not result in a new or more severe adverse impact that was not <br />previously identified in the Prior EIR. <br />b) Groundwater <br />Prior EIR Conclusions <br />The Prior EIR concluded that the development of residences in Pleasanton would increase the area <br />of impervious surfaces, which would potentially reduce groundwater infiltration Such development <br />is subject to, and will comply with, the Alameda Countywide Clean Water Program and City’s <br />Municipal Code Ch. 9.14 Stormwater Management and Discharge Control requirements. It was <br />determined that the addition of new housing would also result in an increase in residential <br />connections to the municipal water supply, which could potentially increase demand on <br />groundwater supplies. However, the Prior EIR recognized that the Housing Element includes policies <br />and programs to protect water supplies and to ensure a sustainable water service, such as Program <br />44.1, which requires various water conservation strategies. Additionally, the City requires applicants <br />to confirm with the water provider that Zone 7 will serve the project in MM 4.L-2 as a standard <br />condition of approval. Therefore, with the inclusion of these programs, the Prior EIR concluded that <br />buildout of the Housing Element would have a less than significant impact on groundwater quality. <br />Analysis of Proposed Project <br />The project site currently contains 239,773 square feet of impervious surfaces consisting entirely of <br />paved areas and parking. The proposed project would reduce the amount of impervious surfaces to <br />220,438 square feet through the inclusion of bioretention areas and other landscaped areas. <br />Therefore, the proposed project would not have a significant effect on groundwater recharge, and <br />could even increase groundwater infiltration at the project site, thereby not impacting groundwater <br />quality. Furthermore, the project site’s multiple bioretention and public outdoor space areas would <br />allow for continued stormwater percolation. <br />Therefore, there are no environmental effects that are peculiar to the proposed project or the <br />parcels on which the proposed project would be located. Impacts to groundwater quality would be <br /> <br />63 City of Pleasanton. 2022. Pleasanton Municipal Code, Chapter 9.14.080. Website: <br />https://library.qcode.us/lib/pleasanton_ca/pub/municipal_code/item/title_9-chapter_9_14-9_14_080? Accessed November 21, <br />2022.
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