Substantial Development Permit
for activities within the 100-year flood plain or within 200
feet of the shoreline of certain lakes (20 acres or more),
rivers (flowing at 20 cubic feet per second or greater), and
other water bodies.
barriers, rotovation, harvesting, and herbicide application.
local planning department
Plain Development Permit
for all activity within the 100-year flood plain.
mining, filling, dredging, grading, paving, drilling
operations, and storing equipment or materials.
local planning or public works department
Project Approval Permit
for activities that will use, divert, obstruct, or change the
natural flow or bed of any fresh or salt water of the state.
barriers, rotovation, drawdown, dredging, harvesting, and
State Department of Fish and Wildlife at 360/902-2534
Quality Standard Modification and/or Certification
for activities, including chemical applications either in or around
rotovation, and dredging.
State Department of Ecology's Water Quality Program at
Planting Permit (grass carp)
to stock triploid (sterile) grass carp to control aquatic
State Department of Fish and Wildlife at 360/902-2820
Heritage Program Letter
is state's bank of data on endangered, threatened, &
sensitive plant species; native wetland plant communities,
& aquatic & non-vegetated wetland systems. Should
get letter confirming search of critical plant species before
any plant control activity. Program has limited data for
lakes; specialist should survey for critical plant species.
of Natural Resources, Division of Forest Resources at
Lands Lease and/or Authorization
be needed for proposed actions involving construction,
filling, dredging, drilling, mining, road construction,
utility installation, or other activities within the beds or
shorelines of certain waters.
State Department of Natural Resources, Division of Aquatic
Resources at 360/902-1100
for forest activities relating to growing, harvesting or
processing timber, road construction and maintenance, brush
clearing, slash disposal, as well as forest chemical
applications undertaken around water bodies or other areas.
State Department of Natural Resources, Division of Forest
Practices at 360/902-1400
States Army Corps of Engineers Permit (Sec.10 and 404)
for placing dredged or fill material in the waters and/or
wetlands, as well as work in navigable waters of the United
States. Navigable waters include major rivers and Lakes
Washington, Sammamish, Chelan, and Vancouver.
Corps of Engineers at 206/764-3495