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Grette Associates is a specialized firm consisting of experienced managers and scientists who provide professional consulting services to public and private clients throughout the Northwest.  The company specializes in freshwater, estuarine and marine sciences, research, land use planning assistance; and strategic permitting assistance for waterfront facilities, port developments, wetlands sciences, and habitat design and restoration actions.  The firm is well-known and respected for resolving aquatic habitat issues on the full range of public and private sector projects, and for developing innovative mitigation solutions to satisfy state, federal, and local laws and regulations.  Grette Associates has offices in Wenatchee and Tacoma Washington.

We maintain current knowledge of Federal, State, and Local environmental regulations, policies, and guidelines.  These include NEPA/SEPA, the Endangered Species Act, the Clean Water Act (sections 401 and 404), CERCLA/Superfund, Hydraulic Codes, the Shoreline Management Act and local Shoreline Master Programs, Department of Natural Resources Tideland lease requirements, Section 404(b)(1) alternative analysis guidance, Federal wetland laws and policies, and local critical area ordinances. Our ability to work through complicated environmental issues with the agencies results in positive review of environmental permit applications. We use site-specific data to provide a sound basis for permit application and the negotiation process while avoiding generic solutions that are often more expensive.

Our firm is well versed in issues and applications of wetland science in Washington State.  We develop restoration, enhancement, and habitat construction designs that ensure success while minimizing future maintenance costs.  Our staff provides wetlands delineation, inventory, restoration, mitigation, and function assessment services on a scale ranging from small, isolated wetlands to wetland complexes covering hundreds of acres.  We also help municipalities plan, prepare and implement ordinances to protect wetlands and sensitive areas.

Grette Associates employ Federal, State and local function assessment procedures to determine the performance of biological and physical functions of wetland systems.  We also work with Tribal Sovereign Nations outside of State jurisdiction to develop wetland assessment methods and guidelines to meet their environmental planning needs. Grette Associates staff has experience with critical areas ordinances, and has completed numerous supporting documents such as Habitat Management and Mitigation Plans, Wetland Management and Mitigation Plans, and riparian assessments.

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