Wetland Assessment
Wetland assessments determine the presence and extent of wetlands on a site, in accordance with federal, state, and local regulations. A wetland assessment requires on-site evaluation of three criteria: hydrology, vegetation, and soils. Wetlands on the subject property are delineated and wetland classifications and wetland buffers sizes are determined. A report is prepared to document and explain our findings.

Some sites may not have wetlands, or may be entirely wetland. A preliminary wetland assessment can be a cost efficient way to determine if a site needs further investigation. Please see our Preliminary Assessment page for details.

Wetland Mitigation and Enhancement
Wetland mitigation compensates for impacts to wetlands and/or wetland buffers. Enhancement improves the function of an area (a wetland buffer or retention/detention pond, for example) or compensates for minor impacts such as wetland buffer averaging in other areas. Mitigation and enhancement design entails planning of revegetation and restoration of hydric soils and wetland hydrology. Implementation may involve clearing, grading, topsoil placement, plant installation, irrigation system installation, and grass seeding. We work with clients, engineers, and regulatory agencies to develop plans that achieve our client's goals and meet governmental regulations.

Wildlife and Habitat Study
Wildlife and habitat studies may be required as a part of the SEPA review process. The studies identify habitats by vegetative communities and significant habitat features. Wildlife use is determined for mammals, birds, amphibians, and invertebrates. State information is reviewed, including the Department of Natural Resources National Heritage Program and the Department of Fish and Wildlife list of species of concern.

Biological Assessment
Biological Assessments are performed to provide compliance with Section 7(a) of the Endangered Species Act. Section 7(a) applies to any project that is federally funded, authorized, or conducted, if that project could affect endangered species. In these cases permit applicants are required to consult with the Environmental Protection Agency, National Marine Fisheries Service, US Fish and Wildlife Service, and/or Corps of Engineers. Factors such as use of the project area by listed species, effects on food sources, and impacts from construction are evaluated to determine the effects the project may have upon endangered species.

Stream Assessment
Stream assessments are generally required to rate a stream, to establish buffers, to determine if habitat for salmonid species is present, and to provide baseline information on the pre-construction condition of a stream. Regulations affecting a stream are dependent on the character and sensitivity of the stream. A stream assessment may include a profile and cross-section of the stream, characterization of stream substrate, characterization of flow types, measurements of velocity and flow rate, a review of literature, a habitat sketch, and preparation of a report.

Stream Restoration Design
Stream restoration is performed to rehabilitate areas where damage to riparian systems occurs. Restoration usually includes design of vegetative and/or structural stream bank stabilization measures to reduce water velocity and minimize erosion. Typically the riparian corridor is revegetated with native plant species to protect water quality and provide habitat for wildlife.

Monitoring
Wetland mitigation and stream restoration monitoring is generally required upon implementation of a mitigation or restoration plan. The purpose of monitoring is to evaluate the success of mitigation. Following construction, an as-built of the mitigation plan is prepared and submitted. Monitoring may consist of annual inspection for 1 to 5 years, with documentation of hydrology, development of vegetation, wildlife use, and water quality.

Regulatory Assistance
Regulatory assistance is provided for clients who desire help getting a project approved, a violation resolved, or a reduction of taxes due to sensitive areas on a property. We offer guidance in complying with federal, state, and local regulations, and in preparing submittals. We consult and coordinate with regulatory personnel to facilitate resolution.