Sustainable Water Infrastructure Project (SWIP)

Project Background

The City of Santa Monica Sustainable Water Infrastructure Project (SWIP) is a first of its kind project that provides a drought resilient water supply for the City. The SWIP Consists of three integral project elements:

  • Element 1: Stormwater, Dry Weather Urban Runoff Treatment and Reuse
  • Element 2: Stormwater and Municipal Wastewater Treatment and Potable Reuse
  • Element 3: Stormwater Harvesting

Together these elements will work together to produce up to 1,680 acre-feet per year of advanced treated recycled water or roughly 10% of the City's water supply to reduce the City's reliance on imported water supplies. Other key benefits of the SWIP include:

  • Diversifies the City's water supply portfolio with a drought resilient source
  • Improve water quality in the Santa Monica Bay through the reduction of stormwater discharges
  • Comply with State Municipal Separate Storm Sewer System (MS4) and Enhanced Watershed Management Plan (EWMP) stormwater nonpoint source pollution control measures for Santa Monica Bay
  • Recycle 1.0 million gallons per day (MGD) of municipal wastewater for permitted reuse, including future indirect potable reuse via aquifer recharge
  • Treat up to 0.5 (MGD) of stormwater, dry weather urban runoff, and/or brackish-saline-impaired groundwater for permitted beneficial reuse
  • Replenish the City's local groundwater supply with a sustainable, drought resilient source
  • Contribute to achieving self-sufficiency goals identified in the 2018 Sustainable Water Master Plan

SWIP Ribbon Cutting

SWIP Project Information

PUBLIC HEARING NOTICE

The City is seeking to amend the Sustainable Water Infrastructure Project’s (SWIP) non-potable reuse permit, Order No. R4-2021-004, with the California Regional Water Quality Control Board - Los Angeles Region and expand its use for indirect potable reuse – groundwater replenishment via subsurface application.  The purpose of the meeting is to provide an opportunity for the public to comment on the use of advanced treated recycled water from SWIP to augment the City’s groundwater supply at the Olympic Well Field. 

Public Hearing Information:

How to Make Public Comments:

  • Via E-mal: water.resources@santamonica.gov
  • In person at the Public hearing on April 28, 2022, 5:30 PM Pacific Standard Time
  • Deadline for Public Comments is 6:30 PM Pacific Standard Time on April 28, 2022

SWIP Phase 3 GRRP Engineering Report

SWIP Phase 3 GRRP Engineering Report - Revision 2 Final Report  March 17, 2022

SWIP Phase 3 GRRP Engineering Report Appendix A  Illicit Connection / Illicit Discharges Elimination 

SWIP Phase 3 GRRP Engineering Report Appendix B – SMURRF Historical Water Quality Data

SWIP Phase 3 GRRP Engineering Report Appendix C – CBI Groundwater Quality Data

SWIP Phase 3 GRRP Engineering Report Appendix D – Modified Cleanup and Abatement Order

SWIP Phase 3 GRRP Engineering Report Appendix E – SMURRF Letter of Coverate from RWQCB

SWIP Phase 3 GRRP Engineering Report Appendix F – SMURRF Monitoring Standard Operating Procedure

SWIP Phase 3 GRRP Engineering Report Appendix G – SWIP Phase 1 Monitoring Plan Reports Results

SWIP Phase 3 GRRP Engineering Report Appendix H – Comments and Responses to Comments on Phase 1 & 2 Engineering Report

SWIP Phase 3 GRRP Engineering Report Appendix I – Final Design Memorandum, Santa Monica Injection Well SM-10I by RCSA

SWIP Phase 3 GRRP Engineering Report Appendix J – Injection Well Simulations Technical Memorandum by ICF

SWIP Phase 3 GRRP Engineering Report Appendix K – Q3 2020 Waste Discharge Requirement Permit Report for SM-10I

SWIP Phase 3 GRRP Engineering Report Appendix L – Summary of Well Construction Operations, City of Santa Monica, Injection Well

SWIP Phase 3 GRRP Engineering Report Appendix M – Antidegradation Study

SWIP Phase 3 GRRP Engineering Report Appendix N – Santa Monica Recharge Well (SM-10) Above Ground Drawings and Details

SWIP Phase 3 GRRP Engineering Report Appendix O – 2019 Annual Pretreatment Program Report

SWIP Phase 3 GRRP Engineering Report Appendix P – Groundwater Quality Quarterly Results October 2020 to September 2021 MWI-1 and SMB-1

SWIP Phase 3 GRRP Engineering Report Appendix Q – SMURRF RO Projections

SWIP Phase 3 GRRP Engineering Report Appendix R – AWTF Post-Treatment Stabilization Modeling Results


Documents and Resources 

2018 Sustainable Water Master Plan

SMURRF Upgrade Flyer

Addendum to IS/MND for SEIP – October 2015

CA RWQCB, LA Region, Order No. R4-2021-0044 Waste Discharge Requirements and Water Reclamation Requirements

DRAFT Recycled Water Ordinance 

DRAFT Recycled Water Use Guidelines, Policy, and Procedures

Proposed Recycled Water Ordinance Presentation to Commission on Sustainability, Environmental Justice and the Environment – February 28, 2022


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