Public engineering firm profile
Seattle, WA
Environmental Science and Regulatory Compliance Services
Meridian Environmental serves utilities, federal agencies, tribal nations, and private clients throughout the Pacific Northwest with fisheries biology, FERC hydropower licensing and compliance, Endangered Species Act section 7 consultation, NEPA documentation, water quality monitoring, and wetland delineation. Key staff have worked together for over 20 years across complex environmental projects.
Species composition, distribution, abundance, and productivity studies in rivers, reservoirs, and streams using screw trapping, electrofishing, PIT tag systems, hydroacoustics, and underwater videography.
Federal, state, and local permitting for instream, near-stream, and land use actions; NEPA environmental assessment and EIS preparation; and programmatic compliance management for multi-phase projects.
FERC regulatory and compliance services including license application review, EA preparation, license compliance monitoring, and natural resource studies for utilities and private hydropower developers.
Wetland inventory, delineation, functions and values assessment, and mitigation and restoration plan preparation meeting city, county, state, and federal requirements.
Upland, riparian, and wetland habitat evaluation, forest management prescriptions, covertype mapping, invasive species surveys, and silviculture treatments.
Multi-year water sampling programs on streams and reservoirs to assess compliance with Clean Water Act certification and assess effects of changing flow regimes.
Nearshore environmental surveys for bank stabilization, dock construction, pile removal/replacement, and dredging projects, including eelgrass delineation using Army Corps methodology.
ArcGIS geospatial analysis, large dataset management, and FAA Part 107 certified drone services including aerial photos, video, high-resolution maps, and 3D models.
Siting investigations for communication, aquaculture, fish collection, pumped storage, and hydropower facilities, covering regulatory constraints, costs, and environmental risks.
North Fork Lewis River, WA | PacifiCorp | Hydroelectric
License implementation studies in the North Fork Lewis River basin for PacifiCorp, including spawning surveys, screw trap monitoring, and operation of the Swift Floating Surface Collector and Merwin adult trap.
View project source2017 | North Umpqua River, OR | PacifiCorp | Hydroelectric
Hydraulic and biological evaluation of upstream fish ladder and downstream fish screens at PacifiCorp's North Umpqua Project.
View project source