Lower Colorado Region

Arlington Basin Water Quality Improvement Project (PDF - 3.2 MB) Finding of No Significant Impact No. 15-SCAO-003-FONSI The Bureau of Reclamation is providing WaterSMART Water and Energy Efficiency Grant funding to the Western Municipal Water District for the Arlington Basin Water Quality Improvement Project.  The project will install a recharge basin, an extraction well and two pipelines in Riverside County, California.

Groundwater Reliability Improvement Program (GRIP) Recycled Water Project (PDF - 7.3 MB) Finding of No Significant Impact No. 15-SCAO-015-FONSI The Bureau of Reclamation has approved a feasibility study prepared by the Water Replenishment District of Southern California for the GRIP Recycled Water Project. The project includes an advanced water treatment plant, diversion structures, injection wells, and a brine pipeline.  Existing percolation ponds and new injection wells will be used to recharge 21,000 acre-feet per year of recycled water into the Central groundwater basin in Los Angeles County, California.

Irvine Lake Pipeline Conversion Project (PDF - 2.9 MB) Finding of No Significant Impact No. 15-SCAO-027-FONSI The Bureau of Reclamation has approved a WaterSMART Drought Resiliency Project Grant for the Irvine Lake Pipeline Conversion Project. The Irvine Ranch Water District plans to extend their recycled water distribution system by adding a new booster pump station and storage tank reservoir, and converting a portion of the existing Irvine Lake Pipeline to provide recycled water to 60 irrigation customers.

Notice of Intent to Prepare a Joint Environmental Impact Report / Environmental Impact Statement, Pure Water San Diego Program, North City Project (PDF, 194 KB) The Bureau of Reclamation and the City of San Diego will prepare a joint Environmental Impact Report/Environmental Impact Statement (EIR/EIS) for the North City Project. The project is the first phase of the Pure Water San Diego Program, a water and wastewater facilities plan to produce potable water from recycled water.

Record of Decision for the Environmental Impact Statement, Bunker Hill Groundwater Basin, Riverside-Corona Feeder Project (PDF, 347 KB) The Lower Colorado Regional Director has approved the Record of Decision for the Riverside-Corona Feeder Project, an aquifer storage and recovery project proposed by the Western Municipal Water District within the Santa Ana River watershed in San Bernardino and Riverside counties, California. The project includes a 28-mile long water pipeline ranging up to 78 inches in diameter, up to 20 new and existing wells, and other facilities to deliver water from the Bunker Hill groundwater basin in San Bernardino County to Western’s service area in Riverside County. The first phase of the project will also provide access to the Chino groundwater basin in San Bernardino County.
Map (PDF, 521 KB)
U.S. EPA FEIS Comments (PDF, 1.45 MB)
CAA Conformity Memo (PDF, 237 KB)
RCF ESA La Sierra ESA (PDF, 97 KB)
La Sierra SHPO Concurrence (PDF, 89 KB)
Mitigation Monitoring and Reporting Program (PDF, 1.01 MB)
Addendum No. 1 to the SEIR/EIS (PDF, 2.76 MB)

Santa Margarita Conjunctive Use Project at Camp Pendleton Marine Corps Base Draft Environmental Impact Statement / Environmental Impact Report (PDF, 62 MBs)
(note: If this file is too large for downloading, the report and its separate appendices are available below.)
The U.S. Department of Defense's Marine Corps and the U.S. Department of the Interior's Bureau of Reclamation are joint lead agencies for this project that would enhance groundwater recharge and recovery capacity within the lower Santa Margarita River basin and develop a conjunctive use program that would increase the sustained basin yield of the lower basin for the benefit of Camp Pendleton and Fallbrook Public Utility District.

May 9, 2014 Federal Register Notice regarding availability of Draft EIS.
Draft EIS/EIR (without Appendices) (PDF, 8.3 MB)
Appendix A (PDF, 2.7 MB)
Appendix B (PDF, 4.5 MB)
Appendix C (PDF, 41.5 MB)
Appendix D (PDF, 200 KB)
Appendix E (PDF, 183 KB)

Environmental Assessments/Impact Statements/Impact Reports

Riverside-Corona Feeder Project Final Supplemental Environmental Impact Report / Environmental Impact Statement The Bureau of Reclamation and Western Municipal Water District prepared a joint SEIR/EIS for the Project that includes the construction of an aquifer storage and recovery project, including new groundwater wells and a 28-mile pipeline.

     June 12, 2013 Federal Register Notice regarding availability of Final EIS

Finding of No Significant Impact

Hi-Desert Water District Water Reclamation Facility, Wastewater Treatment Plant, and Sewer Collection System Project - San Bernardino County, CA Finding of No Significant Impact. The Bureau of Reclamation is authorized to provide funds for the Hi-Desert Water District to construct a wastewater collection and reuse facility in the Town of Yucca Valley. The proposed project includes a Water Reclamation Facility, groundwater recharge basins, collection pipelines and pumping stations. (Released May 14, 2012)

Findings of No Significant Impact

Chino Desalter Phase 3 Expansion - San Bernardino County, CA Finding of No Significant Impact. The Bureau of Reclamation is funding the Inland Empire Utilities Agency's drilling of six wells in the Chino Creek area to increase collection of brackish groundwater from the lower Chino Basin to 40,000 acre-feet per year. An Initial Study for this activity is also available. (Released September 28, 2011)

Sub-Regional Water Reclamation Plants - San Bernardino County, CA Finding of No Significant Impact. The Bureau of Reclamation is funding the Victor Valley Wastewater Reclamation Authority's construction of two sub-regional water reclamation plants that will be used to recharge the groundwater basin to serve customers in Hesperia and Apple Valley with about 2,240 acre-feet of recycled water annually. The Executive Summary of the Draft Environmental Impact Report for this activity is also available; the full document is available upon request to dmcpherson@usbr.gov. (Released September 11, 2011)

Environmental Assessments/Impact Statements/Impact Reports

Riverside-Corona Feeder Project Draft Supplemental Environmental Impact Report / Environmental Impact Statement.

The Bureau of Reclamation and Western Municipal Water District prepared a joint SDEIR/DEIS for the Project that includes the construction of an aquifer storage and recovery project, including new groundwater wells and a 28-mile pipeline. The public and agencies are invited to comment on the document. A news release, Federal Register notice, and archived documents related to the project are available on-line. The appendices for the SDEIR/DEIS are available upon request to awitherall@usbr.gov. (Comment period closed March 22, 2011.)

Findings of No Significant Impact

Recycled Waterline and Interconnection for City of Corona Water Recycling and Reuse Project - Riverside County, CA Finding of No Significant Impact. The Bureau of Reclamation is funding the City of Corona's construction of a pipeline to expand recycled water service to a southern portion of the city. (Released September 27, 2010)

Elsinore Valley MWD Wildomar Recycled Water Master Plan - Riverside County, CA Finding of No Significant Impact. Recovery Act funds are being provided to construct infrastructure to provide recycled water service to 25 new customers. (Released August 12, 2010)

Bishop-Paiute Native Fish Refuge - Inyo County, CA Finding of No Significant Impact. Recovery Act funds are being provided to enhance wetlands on a conservation area on the Bishop-Paiute Reservation. (Released June 28, 2010)

Yucaipa Valley Regional Brineline Extension Project - San Bernardino & Riverside Counties, CA Finding of No Significant Impact. Recovery Act funds are being provided to the Yucaipa Valley Water District to install 14 miles of pipeline connecting the Wochholz Regional Water Recycling Facility to the Santa Ana Regional Interceptor, to convey reverse-osmosis brine waste and surplus recycled wastewater to the Orange County Sanitation District for treatment and disposal to the Pacific Ocean. (Released February 17, 2010)

Environmental Assessments/Impact Statements/Impact Reports

Riverside-Corona Feeder Pipeline Realignment Project Federal Register Notice. The Bureau of Reclamation and the Western Municipal Water District will prepare a joint EIS/EIR for the proposed Riverside-Corona Feeder Project. The public and agencies are invited to comment on the scope of the EIS/EIR and the proposed alternatives. (Comment period closed March 26, 2010.)

Riverside-Corona Feeder Pipeline Realignment Project Reference Information:

Notice of Preparation of a Draft Supplemental Program Environmental Impact Report - Western Municipal Water District, Riverside, CA As lead agency for this action, Western Municipal Water District (WMWD) will prepare a Draft Supplemental Program Environmental Impact Report (SEIR) for the project. (Released July 30, 2008)

Riverside-Corona Feeder Pipeline Realignment Supplemental EIR/EIS Scoping Information Summary Pursuant to the California Environmental Quality Act, WMWD prepared an Initial Study in July 2008 to assess the potential significant effects which could result from the proposed action and determined that a Supplemental Environmental Impact Report (SEIR) should be prepared. (Session held August 11, 2008)

Riverside-Corona Feeder Pipeline Realignment Project Location Map (Prepared December 7, 2009)

Findings of No Significant Impact

Recycled Water System Pressurization and Expansion Project - Riverside County, CA Finding of No Significant Impact. Recovery Act funds are being provided to the Eastern Municipal Water District to install 4 recycled water storage tanks, a booster pump station and 35,000 feet of pipeline to pressurize and expand an existing recycled water distribution system. (Released December 30, 2009)

Irvine Basin Groundwater and Surface Water Improvement Projects - Orange County, CA Finding of No Significant Impact. Federal funds are being provided to the Irvine Ranch Water District for the San Diego Creek Watershed Natural Treatment System, a watershed-wide system of 31 manmade wetlands to improve water quality in San Diego Creek. (Released December 21, 2009)

Upper Mojave River Groundwater Regional Recharge and Recovery Project and Oro Grande Groundwater Recharge Project - San Bernardino County, CA Finding of No Significant Impact. Recovery Act funds are being provided to the Mojave Water Agency to install groundwater wells, pipelines, reservoir storage tanks, a pump station, and a chlorination facility for aquifer storage and recovery using California State Water Project supplies and the Mojave River groundwater basin. (Released December 9, 2009)

Groundwater Enhancement and Treatment Program - Ventura County, CA Finding of No Significant Impact. Recovery Act funds are being provided to the City of Oxnard to install an advanced water purification facility and recycled water backbone system using an abandoned pipeline. (Released December 8, 2009)

Mullholland Highway Recycled Water Transmission Main - Los Angeles County, CA Finding of No Significant Impact. Federal funds are being provided for the Las Virgenes Municipal Water District to install approximately 9,000 feet of 24-inch diameter pipeline along Las Virgines Road from the Tapia Water Reclamation Plant to Mulholland Highway. (Released October 23, 2009)

Vail Lake Transmission Main and Pump Station - Riverside County, CA Finding of No Significant Impact. Federal funds are being provided for the Rancho California Water District to construct the Vail Lake Water Storage Pipeline and Pump Station Project which will connect Vail Lake to the District's imported water system via a transmission main and pump station. (Released October 8, 2009)

Environmental Assessments/Impact Statements/Impact Reports

San Diego Creek Watershed Natural Treatment System Environmental Assessment. The project consists of a series of constructed wetlands designed to improve water quality in San Diego Creek and upper Newport Bay, in Orange County, California. (Comment period CLOSED - ended Sept 22, 2009.)

Eastern Municipal Water District Recycled Water - Leon Road Booster Station and Benton Road Storage Tank & Pipeline Environmental Assessment/Draft Environmental Impact Report. The project has three main components: a 7,000 gallon per minute water booster station, a 4 million gallon recycled water storage tank, and a 24-inch diameter recycled water pipeline. (Comment period CLOSED - ended Sept 3, 2009.)

Hi-Desert Water District Water Reclamation Facility, Wastewater Treatment Plant and Sewer Collection System Project Initial Study/ Environmental Assessment. The project includes the construction of a centralized wastewater treatment and water reclamation facility and collection pipelines. (Comment period CLOSED - ended July 9, 2009.)

Eastern Municipal Water District Proposed Recycled Water System Pressurization and Expansion Project Environmental Assessment/Draft Program Environmental Impact Report. The project has three main components: the tank project, the Hemet Citrus in-lieu project, and pond pump stations. (Comment period CLOSED - ended June 18, 2009.)