HomeMy WebLinkAboutLevel I Wetland Assessment 701253005
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Hagen Consulting
Date: September 16, 2006
Subject: Field Visit to 6655 Thorndyke Rd.,
Level One wetland determination
Owner: Jon R. Smaker and Kim Vogley
PO Box 3068
Port Angeles, WA 98362
office: 360-452-9982
email: mhagen@olympus.net
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Parcel# 710-253-005 in Jefferson Co. WA
SEP 2 5 2006
JEffERSON COUNTY oeD
This parcel is located on the Hood canal shoreline south of Thorndyke Bay. It is being developed
into a single family residence and shop. It is currently wooded with mixed mature second growth
hardwoods and conifer and slopes from the county road to the shore at about 10 to 15% grade. A routine
level one wetland determination was called for by Jefferson County DCD. No known category 1-3
wetlands were found to be listed on either Jefferson County's or the National Wetland database though
there are wetlands near Thorndyke Bay. The site is known to have a Bald eagle tree.
I inspected the parcel to determine the presence of regulated wetlands on September 16, 2006,
and found several small, linear wet areas in the lower end of the parcel, all of which fall below minimum
jurisdictional area in Jefferson County. All are dispersed along a marginal Type Ns stream. Under the
old system of stream classification this would have been nontyped. There are at least two and possibly
more small, but rather functional pocket sites with hydrophytic vegetation along this drainage course.
Obvious breaks in both hydric soils and hydraulic connectivity were identified between wet sites. They
do not qualify as jurisdictional wetlands but do merit consideration as valuable natural features which can
provide a range of services after development.
They are functional buffers for limiting the energy of winter overland flow and probably fair
habitat for amphibians in season. Their service in slowing runoff is especially valuable since the ravine
leading to the beach lies directly downstream. It shows no signs of recent erosion, largely due to in-fall
of large wood debris and the buffering effect of the upstream swale. This is actually the most intact and
most stable bluff area I have seen in a long time. These swales will also function to clean and retain
runoff from structures and impervious surfaces, in accordance with the latest best management practices
according to the Puget Sound Action Team publication, Low Impact Development.
There appears to be ample room for a home and septic system outside any critical areas. The
owners are very willing to restore natural cover and structure to mitigate impacts of road development.
Old down wood which was removed from the roadbed may be placed in the swales to further improve
runoff control. Development plans appear to be in compliance with the Bald Eagle Management Plan.
Placement of secured hay bales in the ditch, scattering of 4-5 inches of loose hay on exposed soils and
an immediate seeding of annual ryegrass will minimize surface erosion through the upcoming winter
season. The owner has left more than enough standing native trees on site to mitigate for eventual
home and shop development.
Siflcerely,
(t1,'c?J fk"JL~
Michael Hagen f/
RECEIVED
SEP 2 5 2006
JEffERSON COUNfY Den
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Jon R. Smaker and Kim Vogley Level One Wetland
Assessment. Sept 16, 2006. Hagen Consulting
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