Freshwater Aquatic Plants Manual
An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.
Section 401 Pre-Filing Meeting Request Form
The EPA Clean Water Act Section 401, effective Sept. 11, 2020, requires all project proponents submit a pre-filing meeting request to the certifying authority at least 30 days prior to submitting a Section 401 Water Quality Certification request.
QA planning process for NEP grantees
Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.