Consider potential impacts of construction and operation on marine mammals for all projects involving marine waters, as well as the Columbia River up to Bonneville Dam.
Use the National Oceanic & Atmospheric Administration (NOAA) Fisheries' Marine Mammal Acoustical Technical Guidance to analyze a project’s impacts from sound on marine mammals.
If a project will impact marine mammals, follow the NOAA Fisheries guidance on how to apply for incidental take authorization.
Communicate any design changes that impact marine mammals since submittal of the IHA application to the assigned NOAA Fisheries staff.
Environmental Manual Chapter 436: Fish, Wildlife, & vegetation (PDF 452KB) – for policy guidance on the Marine Mammal Protection Act.
NOAA Fisheries Marine Mammal ESA Section 7 Consultation Tools - to understand the relationship between the Endangered Species Act and the MMPA, the effects of noise on marine mammals, sound threshold guidance and other related topics.
NOAA Marine Mammal Acoustical Technical Guidance to analyze a project’s impacts from sound on marine mammals.
NOAA Apply for an Incidental Take Authorization – To apply for an Incidental Take/Harassment Authorization.
Environmental Manual Chapter 490: Tracking environmental commitments during design (PDF 208KB) - To track commitments.
Environmental Manual Chapter 590: Incorporating environmental commitments into contracts (PDF 343KB) - To manage commitments.
Commitment tracking system (CTS) web application - Track and manage environmental commitments. Find instructions on how to use CTS on the CTS help menu.
Jeff Dreier
Jeff.Dreier@wsdot.wa.gov
360-763-6703 (cell)
Glen Kalisz (Habitat Connectivity Biologist)
Glen.Kalisz@wsdot.wa.gov
Katina Kapantais (ESA Biologist)
Katina.Kapantais@wsdot.wa.gov
Kim Toal (ESA Biologist)
Kim.Toal@wsdot.wa.gov
were recorded on state highways in 2025.
in 2025 due to work zone-related crashes.
in work zones from 2024 to 2025.
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