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Draft Supplemental Program EIR: City of Vista & Buena Sanitation District 2017 Comprehensive Sewer Master Plan

Post Date:07/27/2017 8:15 AM

The City of Vista and Buena Sanitation District (City) has prepared and released a Draft Supplemental Program Environmental Impact Report (SPEIR) for its 2017 Comprehensive Sewer Master Plan (CSMP) Update in accordance with the California Environmental Quality Act (CEQA) Guidelines.  The City is serving as the lead agency for the preparation of the EIR, which supplement the City’s previously certified Program EIR (2008). The 2017 CSMP builds on and refines the previous 2008 SMPU by providing a set of recommended projects for inclusion in the City’s capital improvement plan (CIP) and operations and maintenance (O&M) Program. The CIP component of the CSMP includes a combination of capacity improvements to address undersized pipelines and replacement/rehabilitation improvements to address pipelines in poor condition. The timing for construction for individual projects identified in the CIP and O&M Program would occur over a 20 year period (through 2037), contingent on available funding. 

Capacity-Related CIP Projects. The City has identified a total of 14 capacity-related projects in the CSMP, 7 within the City and 7 within the District; which is a decrease from the 20 projects previously identified in the 2008 SMPU. These projects are further prioritized for near-term or future construction based on localized capacity needs. All capacity-related CIP projects include the replacement and upsizing of existing sewerage collection pipelines. 

Non-Capacity-Related CIP Projects. Similar to the 2008 SMPU, the CSMP includes the rehabilitation or replacement of all ductile iron pipe (DIP) and non-vitrified clay pipe (VCP) or polyvinyl chloride (PVC) pipes along with pipes over 45 years in age. City standards also require the replacement of all 6-inch pipes with 8-inch pipes. Under the proposed CSMP, approximately 16miles of existing pipe are proposed for rehabilitation or replacement with no corresponding increase in capacity. Installation methods for these improvements would be similar to the capacity improvements.

O&M Program. The O&M Program provides a continuation of the City’s existing condition assessment program consistent with the City’s adopted Sanitary Sewer Management Plan (SSMP, 2014).  The condition assessment program is a combination of wet-weather flow measurement, televised inspections, and aboveground inspections on a 5- to 10-year program basis.

A copy of the Draft SPEIR is available for public review during business hours at the following locations: City of Vista Engineering Department, 200 Civic Center Drive, Vista, CA 92084. The Draft SPEIR may be downloaded from:

Public agencies and the public are invited to comment on the content of the Draft SPEIR. The public review and comment period begins on July 31, 2017 and will close at 5:00 p.m. on September 13, 2017. Comments received will be addressed and the results included in the Final SPEIR. Written comments may be submitted to Elmer Alex, Principal Engineer, City of Vista Engineering Department, 200 Civic Center Drive, Vista, CA (or  For more information or to request copies of the document contact Elmer Alex at the City of Vista’s Engineering Department (760.643.5416 or   

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