Case Studies

MarketCenter Railyard MarketCenter Railyard Redevelopment

Northgate performed rapid site assessment, site characterization studies, and remediation services during the

Due Diligence for Real Estate Developer Portfolio

Working in-house and on-call, Northgate provides environmental due diligence and management services to the largest developer in the Washington DC […]

As-Needed Environmental Services

Under contract with the Santa Clara Valley Transportation Authority (VTA), Northgate performs environmental investigations, serves as a regulatory liaison, provides […]

As-Needed Environmental Services

Northgate provides the City of Oakland with environmental services under an as-needed contract. Northgate has provided a wide range of […]

Former Almaden Air Force Station Redevelopment

The Former Almaden Air Force Station, purchased from the Department of Defense in the 1980s, is currently undergoing environmental investigation […]

Hazardous Substance Liability Assessments

Northgate has performed multiple Hazardous Substance Liability Assessments (HSLAs) for the Santa Clara Valley Water District. The purpose of a […]

ESA and Voluntary Cleanup for Portfolio of Shopping Centers

Northgate performed Voluntary Cleanup Program (VCP) environmental site assessments and subsurface investigations for the anchor tenant at three shopping centers […]

Future Hospital Site Brownfields Redevelopment

Working within the framework of an Environmental Agreement with the prior and future property owners and a Prospective Purchaser Agreement […]

Fort Pickett Range Cleanup and Renovation

Northgate investigated and removed munitions and explosives of concern (MEC) from a 2,000-acre area as part of the renovation of […]

Upper Guadalupe River Environmental Remedial Action Plan

This three-acre property was acquired by the Santa Clara Valley Water District to construct a flood control channel for the […]

Wetlands Restoration

The Yosemite Slough wetland restoration is the centerpiece of a long-term project to clean up contamination, restore tidal wetlands on […]

Environmental Characterization and Investigation for Utilities Company

Northgate provides environmental site assessment and remediation services at former Southern California Edison generating stations under regulatory direction of the […]

Investigation and Remediation of a Former Dry Cleaning Facility

Northgate planned a phased soil, soil vapor, and groundwater investigation to characterize a site impacted from 40 years of use […]

Brownfield Remediation and Redevelopment at Former Wood Treatment Facility

Northgate designed an investigation and remediation approach to integrate with construction of a 250,000 square foot cold-storage facility at a […]

Soil Remediation, Former Oakland Army Base

Northgate prepared support plans and provided construction monitoring, sampling services, and waste characterization for soil remediation at the former Oakland […]

Wetlands Restoration and Corrective Action Plan

The Sears Point Wetland Restoration Project encompasses more than 2,300 acres of agricultural land owned by the Sonoma Land Trust […]

Remediation and Engineering for Southern California Edison

Northgate provides remediation design, implementation, and post-construction monitoring on an on-call basis to Southern California Edison (SCE). Northgate has prepared […]

Hard Rock Quarry Water Resources Assessment

Northgate performed a water resources assessment in support of the proposed expansion of a hard rock quarry. The quarry property […]

Environmental Assessment and Remediation at former King’s Court Dry Cleaners

Northgate has provided a full array of professional services to characterize and clean up PCE contamination at this former dry […]

Conceptual Site Model Development for Commingled Plume

Northgate developed a comprehensive Conceptual Site Model (CSM) to describe the lateral and vertical extent of chlorinated solvent impacts beneath […]

Investigation and Remedial Planning

Driscoll Ranch is a key landholding of the Midpeninsula Regional Open Space District, whose planned expansion of the adjacent La […]

Specialized Groundwater Monitoring Services for San Francisco Public Utilities Commission

Northgate provides water resources program support and hydrogeologic assessments for the SFPUC in lieu aquifer storage and recovery (ASR) program […]

Black Mountain Industrial Complex Investigation and Soil Remediation

Northgate completed several soil, groundwater, and indoor air investigations at a 450-acre industrial facility within the Black Mountain Industrial Complex […]

Investigation and Remediation

Northgate performed comprehensive assessment and remediation of an approximate 60-acre residential development that had been partially constructed over a former […]

Environmental and Geotechnical Engineering Services

Construction of the Mission Bay Loop Extension of the Third Street Light Rail is subject to the Maher Ordinance of […]

Hazardous Materials Management Services for the City of Berkeley

As part of a multi-year service agreement, Northgate provides hazardous materials management services to the City of Berkeley Department of […]

Former Benicia Arsenal Chemical and Munitions Cleanup

Northgate served as the program manager, lead engineer, and contractor to clean up and restore the Tourtelot Property (a portion […]

PG&E Hazardous Materials Program Support

Northgate supports Pacific Gas & Electric’s (PG&E’s) Hazardous Materials Program by processing permit renewals for 49 of the 83 certified […]

Environmental Impact Review

Northgate provides environmental consulting services at a former paint manufacturing facility located in Los Angeles County. Previous investigations identified contaminants […]

Air Quality Web Portal for Oakland Army Base Redevelopment

Northgate developed an Air Quality Monitoring Program to track ambient air in the West Oakland community as the former Oakland […]

Work Order and Asset Management Mobile GIS Application

Working as part of a consultant team providing as-needed GIS services to Alameda County, Northgate developed a GIS based mobile […]

County Assessor’s Office Mobile GIS Canvassing Application

Northgate application developers, working as part of the consultant team providing as-needed GIS services to Alameda County, developed this award […]

Drone Mapping and Imagery for Sediment Management Facility

Northgate delivered high-resolution aerial photogrammetry using small, unmanned aerial systems (UAS, or “drones”) for a 2,000-acre dredged sediment management and […]

Visual Impact Assessment Support, AT&T Microwave Radio Upgrade, Yosemite National Park

Northgate’s team of GIS and visual resource analysts provided support for environmental permitting and replacement of existing radio and microwave […]

Emergent Chemical Investigation and Expert Witness Services

Northgate performed an investigation and provided expert testimony regarding the distribution and sources of hexavalent chromium and the emergent chemicals […]

Environmental Assessment and Remediation

Northgate was the lead technical manager for a 50-acre Brownfields redevelopment site in San Jose, California, remediated under a Voluntary […]

Pre-Existing Contamination Assessment and Allocation of Responsibility

Northgate provided an opinion regarding pre-lease and existing environmental contamination and the allocation of environmental responsibility between our client (the […]

Expert Witness and Litigation Support for Cost Recovery Lawsuit

Northgate assisted a former land owner to negotiate a favorable settlement in this cost recovery lawsuit. A local agency had […]

Industrial Permit Compliance, SWPPP, and Audit for Port of San Francisco Tenant

On behalf of the Port of San Francisco, Northgate assisted with the preparation of the Annual Report for Storm Water […]

Site Assessment, NPDES Permitting, and Construction Management for Mixed-Use Development in Maryland

Northgate conducted a Phase I ESA and Phase II Subsurface Investigation in connection with a property acquisition. Redevelopment plans for […]

PCB Runoff Prevention Plan

In 2010, the U.S. EPA approved a Total Maximum Daily Load (TMDL) for polychlorinated biphenyls (PCBs) in the San Francisco […]

City of Torrance Nutrient and Toxics TMDL Monitoring

Northgate performs monthly storm water monitoring for the City of Torrance, as required under the Machado Lake Nutrient and Toxics […]

Geotechnical Investigation of Animal Care and Control Facility

Northgate performed an investigation of geotechnical engineering issues associated with the renovation of a historic brick structure located in San […]

Moller Ranch Erosion Assessment

Northgate was retained by the developer to assess the erosion potential at this property by evaluating the dispersive nature of […]

Passive Remediation System, Shinsei Gardens Housing Development, Fleet Industrial Supply Center

Northgate prepared a Removal Action Workplan and developed and evaluated cleanup alternatives for volatile organic compounds and petroleum-related chemicals in […]

Geotechnical Design Plans and Specifications for Tidal Marsh Restoration

Northgate assisted Sonoma Land Trust with the preparation of design plans and technical specifications for the Lower Spring Branch Creek […]

Rosamond Solar Farm

Northgate conducted a geotechnical investigation of a property for suitability as a solar farm. Northgate investigated the site to assess […]

Superfund Site Remediation Program Oversight and Optimization

Northgate provided program oversight of the groundwater remediation and restoration program at a large, multi-party Superfund site in the Santa […]

Commercial Energy Audits and Benchmarking Services in San Francisco

Northgate conducted building energy audits and benchmarking services on several commercial properties to comply with the San Francisco Existing Commercial […]

Shoreline Improvements at India Basin, San Francisco

The India Basin Redevelopment Project encompasses 39 acres over four properties: India Basin Shoreline Park, India Basin Open Space, and […]

Drinking Water and Waste Water Technical Assistance for Disadvantaged Communities

Northgate is part of an interdisciplinary team of industry experts and Sacramento State University students, faculty, and staff to support […]

ESA, IAQ study, and Litigation Support for Retail Row Buildings in District of Columbia

Northgate performed Phase I ESAs on a series of adjoining retail and restaurant buildings in northwest Washington, DC in connection […]

Air Quality Monitoring for Oakland Army Base Redevelopment

Northgate developed an Air Quality Monitoring Program to track ambient air in the largely residential West Oakland neighborhood that is […]

Compliance Support for Real Estate Portfolio

On behalf of a large real estate investment trust, Northgate collaborates with a multi-stakeholder group of buyers and sellers, internal […]

Compliance Support and Construction Management at Los Angeles Airport

Northgate performed oversight and management of contaminated soil import and removal at the LAX Tom Bradley International Terminal (TBIT). The […]

Environmental Restoration Support Services, Bayview Site Development, Lawrence Berkeley National Laboratory

Northgate provides as-needed environmental consulting and compliance services related to future development in the vicinity of Lawrence Berkeley National Laboratory’s […]

Compliance Support for PG&E Prime Contractors

Since 2014, Northgate has supported permitting, licensing, and compliance programs throughout PG&E territory as a subcontractor to PG&E prime MSA […]