Biological Resource Studies
Featured Projects . . .
Dumbarton Transit Oriented Development FMC Parcel C
HELIX prepared an IS/MND addressing construction of a mixed-use development on 17.4 acres as part of the Dumbarton Transportation OrientedRead more.
Angels Camp Sewer Line Collection System
HELIX is currently preparing a CEQA Initial Study/Mitigated Negative Declaration (IS/MND) and a Mitigation Monitoring and Reporting Program (MMRP) forRead more.
City of San Diego Brush Management Plan
The City of San Diego Open Space Division, under three awarded FEMA grants, carried out a brush management plan toRead more.
Rancho Guejito Witch Fire Biological Damage Assessment
HELIX Environmental Planning (HELIX) conducted studies to assess effects of the Witch Fire on the 21,000-acre Rancho Guejito property locatedRead more.
El Dorado County Cooperative Wildland Fire Prevention Strategy
HELIX Environmental Planning (HELIX) is providing environmental services for a fuel break project in El Dorado County involving cooperative effortsRead more.
Humboldt County As-Needed Cannabis Environmental Compliance Services
In January 2016, Humboldt County was the first local government in the state to adopt a comprehensive local regulatory programRead more.
California High Speed Rail
HELIX Environmental Planning has prepared desktop environmental constraint analyses for segments of 16 potential high speed rail alignment corridors extending betweenRead more.
Caltrans District 11 On-Call Environmental Services
HELIX was awarded a three-year multi-disciplinary contract with Caltrans District 11 to provide environmental, biological, and cultural resources services, withRead more.
Qualcomm Stadium Wetland Mitigation
HELIX is leading a 57-acre habitat restoration project within the San Diego River channel, between I-15 and I-805, south ofRead more.
City of San Diego Bicycle Master Plan Update PEIR
HELIX Environmental Planning prepared a Programmatic Environmental Impact Report (PEIR) for an update to the City of San Diego’s existingRead more.
Torrey Pines City Park General Development Plan
HELIX prepared a Biological Technical Report (BTR), Air Quality and Greenhouse Gas (GHG) Technical Report, and draft Initial Study/Mitigated NegativeRead more.
Santa Clara Gravel Augmentation & Steelhead Habitat Improvement
HELIX is providing fisheries expertise for steelhead spawning habitat improvement in all seven steelhead-producing streams in Santa Clara County. HELIX fisheriesRead more.
Sears Point Tidal Marsh Restoration Fish Monitoring
HELIX designed and implemented seasonal fish monitoring at the Sears Point Restoration Project, a recently restored 1,000-acre tidal wetland inRead more.
Ventura River Southern Steelhead Habitat Assessment
HELIX is evaluating effects of water well operations located in private parcels in Ventura County adjacent to the lower VenturaRead more.
Whiskey Slide & Schaad Road Bridges
Working with a local engineering firm, HELIX is conducting environmental compliance studies in support of CEQA/NEPA documentation for two bridgeRead more.
HELIX prepared a Natural Resource Management Plan for the approximately 900-acre natural park in the Linda Vista and Clairemont MesaRead more.
Borrego Landfill Expansion
As a part of the planned expansion for the existing Borrego Landfill facility in the desert region of San DiegoRead more.
Sprint, AT&T, & T-Mobile Environmental Compliance
For Sprint, AT&T Mobility, and T-Mobile West locations across California and the western U.S., HELIX provides a myriad of environmentalRead more.
Inyo County Renewable Energy General Plan Amendment & PEIR
HELIX Environmental Planning assisted Inyo County with the preparation of a Renewable Energy General Plan Amendment (REGPA) and Program EnvironmentalRead more.
Palmdale Regional Groundwater Recharge & Recovery
HELIX Environmental Planning prepared an Environmental Impact Report (EIR) and conducted associated technical studies (including biological resources, acoustics, and air quality/greenhouseRead more.
Stoyer Recycling Facility Expansion
The Padre Dam Municipal Water District’s Ray Stoyer Water Recycling Facility currently converts wastewater generated within the district’s service areaRead more.
Etiwanda Pipeline North Relining
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR) and associated technical studies for The Metropolitan Water District ofRead more.
Carlsbad Oaks North
HELIX Environmental Planning (HELIX) provided environmental compliance monitoring during construction and during the post-construction phase of the Carlsbad Oaks NorthRead more.
Salk Owner’s Association Open Space Restoration & Monitoring
HELIX Environmental Planning (HELIX) biologists and Construction Group staff worked with the Salk Owner’s Association and a group of commercialRead more.
UC San Diego East Campus Housing Wetland Restoration
HELIX prepared environmental- and biological resources-related documents in connection with the construction of the East Campus Graduate Student Housing projectRead more.
Inland Feeder Utility Project Habitat Restoration
HELIX Environmental Planning (HELIX) biologists and Construction Group staff conducted upland habitat restoration and enhancement services for approximately 100 acresRead more.
12 Oaks Winery Resort
HELIX is preparing technical studies for the 12 Oaks Winery Resort project in the Temecula Wine Country area of unincorporatedRead more.
UC San Diego Jacobs Medical Center Bed Tower, Thornton Hospital
HELIX Environmental Planning (HELIX) prepared the Initial Study (IS), Environmental Impact Report (EIR), and technical studies for a 480,000 GSFRead more.
Orchard at Penryn
HELIX Environmental Planning (HELIX) conducted a biological resource assessment, habitat mapping, and delineated waters of the United States on anRead more.
Gateway Station West Transit Oriented Development
HELIX Environmental Planning (HELIX) managed the CEQA process and prepared a Supplemental EIR (SEIR) for this large-scale residential project inRead more.
Mast Park Habitat & Wetland Restoration
HELIX facilitated the design and development of a 12.7 acre habitat restoration effort in the City of Santee which willRead more.
SR-11 & Otay Mesa East Port of Entry Program
HELIX provided environmental consulting services to evaluate the general alignment locations for State Route (SR-) 11 and a future landRead more.
City of San Diego Public Utilities Department, As-Needed Environmental Services
HELIX Environmental Planning (HELIX) is currently providing environmental consulting services to the City of San Diego Public Utilities Department (PUD),Read more.
UC San Diego Clinical and Translational Research Institute & East Campus Recreation Area
HELIX Environmental Planning (HELIX) prepared an Initial Study (IS), Environmental Impact Report (EIR), and technical studies for UC San Diego’sRead more.
Greenbriar Habitat Conservation Plan
Located within the Natomas Basin of Sacramento, the Greenbriar Development Project encompasses a 577-acre agricultural site slated for transit-oriented residentialRead more.
Harmony Grove Village
HELIX Environmental Planning managed the preparation of this fast-track Environmental Impact Report (EIR) for a mixed-use development project in the unincorporatedRead more.
Devers to Palo Verde No. 2 Transmission Line
HELIX Environmental Planning (HELIX) provided consulting services support to Aspen Environmental Group for Southern California Edison’s (SCE’s) Devers–Palo Verde No.Read more.
California Energy Commission As-Needed Biological Services for Solar Projects
HELIX Environmental Planning (HELIX) was under contract to Aspen Environmental Group on an as-needed basis to provide impact analyses forRead more.
Tule Wind Energy Project
HELIX Environmental Planning (HELIX) provided biological and habitat restoration services for Iberdrola Renewables’ Tule Wind Energy Project located in theRead more.
Desert Green Solar Project
The 6.3-megawatt Desert Green Solar Farm, located in Borrego Springs, began commercial operations in 2015 . Prior to construction, HELIXRead more.
Owens Valley Solar Energy Study
Following HELIX Environmental Planning’s (HELIX’s) successful preparation of the Inyo County Renewable Energy General Plan Amendment (REGPA) and Program EnvironmentalRead more.
Tranquillity Solar Project
HELIX Environmental Planning was contracted with the County of Fresno to provide mitigation compliance and reporting services for Recurrent Energy’sRead more.
The Sunrise Powerlink project is an approximately 117-mile-long project that includes a 500 kV transmission line from the Imperial ValleyRead more.
Tapestry Specific Plan
HELIX Environmental Planning (HELIX) prepared the Environmental Impact Report (EIR) and air quality, biological resources, GHG, and noise technical studies,Read more.
Miramar National Cemetery Vernal Pool Restoration
HELIX Environmental Planning (HELIX) conducted restoration monitoring of a vernal pool mitigation area located on Marine Corps Air Station (MCAS)Read more.
San Miguel Habitat Management Area
HELIX Environmental Planning (HELIX) conducted biological maintenance, monitoring, and reporting activities for the Otay Water District related to the SanRead more.
San Diego County Water Authority Pipeline Relining Projects
HELIX Environmental Planning (HELIX) provided a variety of environmental services for the Water Authority’s pipeline relining projects located in theRead more.
LOSSAN Rail Corridor Double Track Projects
HELIX Environmental Planning (HELIX) has provided environmental services for several SANDAG Los Angeles-San Diego-San Luis Obispo (LOSSAN) Double Track projects.Read more.
City of San Diego As-Needed Environmental Services for Storm Water Maintenance
HELIX Environmental Planning has provided a broad range of as-needed environmental services to the City of San Diego Transportation andRead more.
Pure Water San Diego
HELIX Environmental Planning (HELIX) produced a detailed biological constraints report addressing a 20-year, phased program that involves planning, design, andRead more.
HELIX Environmental Planning (HELIX) prepared an Environmental Impact Report (EIR) for the Quarry Creek Project and a Subsequent EIR (SEIR)Read more.
King Fire Restoration and Botanical Surveys
To assist the U.S. Forest Service with their habitat restoration and emergency response efforts, five teams of HELIX Environmental PlanningRead more.
Ocotillo Wind Energy Project
HELIX Environmental Planning is providing biological consulting services for Pattern Energy Group’s 265 megawatt Ocotillo Wind Energy Facility project locatedRead more.