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Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

EPA-Generated NEPA Documents

EPA is required to issue its own NEPA documents for certain EPA activities, including some grants. For additional information on these projects, contact the EPA employee listed for the projects below.

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Projects Open for Public Comment

Project Name Public Comment Status Documents
Palo Verde Collection and Treatment System
Palo Verde, CA
Public comments are due by 5:00 p.m. Pacific Time on June 22, 2015.

No Longer Open for Public Comment by Final Decision Type

Finding of No Significant Impact

Project Name Findings of No Significant Impact
Applegate Regional Sewer Pipeline Project, Placer County, CA
Arcadia, City of

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Big Bear Department Of Water & Power Water System Capital Improvement Programs
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Boulder City
Buckskin Sanitary District

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Castaic Lake
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Chino Hills English Channel Improvement Project
City of Los Angeles Elysian Park Water Recycling Project
Compton - Water Infrastructure
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County of Los Angeles Regional Recycled Water Project Phase 2

Douglas Wastewater Treatment Plant Upgrade and Bay Acres Colonia Wastewater Collection System Expansion, Douglas, AZ
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Garden Grove Storm Drain Project
Georgetown (Greenwood Lake Water Treatment Plant and Treated Water Pipeline Project)
Gloria Way Well Retrofit Project for the City of East Palo Alto, CA
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Joshua Basin Water District Water Recharge System
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Kapulena Well Development Project, County of Hawaii Department of Water Supply
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Kern County - Rexland Acres Community Wastewater System
La Jolla Septage Treatment System Improvement Project
Lake Arrowhead (City of Lake Arrowhead - Grass Valley Wastewater Treatment Plant)
Lake Havasu City - Piping Components for the Wastewater Treatment System Expansion
Lathrop (City of Lathrop Project to Construct Water Well #10)
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Mexicali (city of), Baja California, Mexico - Rehabilitation of Sewer Lines
Moreno Valley (City of) - Edgemont Water Master Plan Update Project
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Murrieta (City of), California
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Newcastle Sanitary District Wastewater Project
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Pala Wastewater System Improvement Project March 2009 May 2008
Pomerene Domestic Water Improvement District's Drinking Water Quality Improvement Project
Pomerene, AZ
Roseville (City of) Northeast Water Storage Reservoir Replacement Project)
San Bernardino Municipal Water Department (SBMWD)
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San Diego Creek Watershed Natural Treatment System

Notice of the Availability of an Environmental Assessment and Finding of No Significant Impact

San Joaquin (City of) Wastewater Treatment Facility
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San Timoteo Creek San Timoteo Creek Habitat Enhancement Project San Timoteo Creek (San Timoteo Creek Habitat Enhancement Project) - Re-Noticed
Santa Monica
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Searchlight (Town of Searchlight Exploratory Wells Project)
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Smith River Rancheria Wastewater Infrastructure Construction – Phase II Notice of the Availability of an Environmental Assessment and Draft Finding of No Significant Impact
Spanish Springs Valley Nitrate Remediation Pilot Project Phase III
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Wastewater Collection Rehabilitation for Main Lines in Tijuana, Mexico
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Westminster, CA

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Categorical Exclusion

Project Name Categorical Exclusion
City of Alhambra, CA
Main Line Sewer Replacement
Auburn Lake Trails
Water Treatment Water Plant Project
City of Barstow, CA
Fine Screen System Upgrade
City of Bellflower, CA
Water Infrastructure Improvement Projects
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City of Carlsbad, CA
Carlsbad infrastructure project will have no effect.
City of Fernley, CA, Infrastructure Project
City of Fernley will receive $291,000 to support construction of two sludge drying basins at their wastewater treatment plant.
County of Shasta, CA
Drinking Water Infrastructure Expansion/ Upgrade
Las Vegas Paiute Tribe
Notice of Availability of Memorandum of Agreement and Catgorical Exclusion
Saipan, Commonwealth of the
Northern Mariana Islands (CNMI)
Drinking Water and Wastewater Systems

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