Central Coast Blue Environmental
Impact Report Addendum
Agenda Item 11.A
Matthew Downing, Community Development Director
September 5, 2023
Background
•Central Coast Blue is a multi-agency collaboration
between Pismo Beach, Grover Beach, Arroyo Grande, and
the South San Luis Obispo County Sanitation District
•Advanced purified water project intended to enhance
supply reliability by reducing the groundwater basin’s
vulnerability to drought and seawater intrusion
•Environmental Impact Report certified on February 16,
2021
California Environmental Quality Act
CCB EIR (SCH #2019120560)
•Air Quality
•Biological Resources
•Cultural Resources
•Energy
•Greenhouse Gas Emissions
•Hazard and Hazardous Materials
•Hydrology and Water Quality
•Land Use
•Noise
•Transportation
Addendum to the Certified EIR
•Section 15164 of the CEQA Guidelines: Must prepare an
Addendum to an EIR if some changes or additions to a
previously certified EIR are necessary, but the project changes will not have new significant environmental
impacts or substantially increase the severity of
previously identified significant impacts.
•Several modifications to the layout of project facilities through the design process, but Modified Project still
consists of an ATF Complex, pipelines, injection wells, monitoring wells, one new production well, and a new
pump station.
CCB EIR Addendum Process
•June 6, 2023 – Notice of Intent published with State Clearinghouse •June 7, 2023 – 30-day public review period
•June 7, 2023 – Notice of Intent published with County Clerk •June 8, 2023 – Notice of Intent published in New Times •June 19, 2023 – CCB Regional Recycled Water Authority workshop and public comment period •July 7, 2023 – Public review period concluded; Responses to Comments prepared •August 25, 2023 – Responses to Comments provided to commenters
Recommendation
•No new significant impacts; potential impacts associated with the Modified Project are consistent with potential impacts characterized and mitigated for in the Certified EIR for the Original Project •No further evaluation of environmental impacts is required for the Modified Project, no Subsequent or Supplemental EIR is necessary per CEQA Guidelines Sections 15162 and 15164 •Staff recommends the City Council adopt a Resolution adopting the Addendum to the Certified Environmental Impact Report for the Central Coast Blue Project