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<br /> ♦ Aoorvvi w A�low Temuotarv Fsceedanct of Water Ou�litv Sundi�� by the Depanmmt of Ecolo�, unda 90.4Y RCW, if
<br /> your projxt resulb in:
<br /> ❑ 1 teu,porary ezccedance of wuer quality criteria establithed by WAC 173-]AlA far in warer aark (e.�., chanaa ia
<br /> turbidiry from xdimeat disturbaaca and pH changes ftcm cooceete curin�. NOTE: Applicaaon of aquuic herbicida and
<br /> puticides are wvered by a separau applicuioncoatact Ecolo�'s Regional Office tn apply
<br /> ♦ p Seceion 404 Permit from the Corps of Fagineer under 33 USC §§ 404�ad 1344 is roquired if your projxt includes:
<br /> ❑ discharge or exeavation of dredged or fill muerial w►terward of the Qtdinary High Wuer Muic, or the Man Higher
<br /> High Tide Line in tidal ueLs, in watecs of the United Statea, ineludin�wetLnds;
<br /> C: mechanized land clearing in waass of�he United Shtes, includiuQ wetlaads.
<br /> ♦ A Seceion 10 Permit from the Corps of F�gineer ia roquiied for:
<br /> � any work in or affxting navieible watus af the United Suta (e.g., floats, piecs, docks, dr :ging, piles, buoys, overhead
<br /> power lines, etc.).
<br /> USEFUL DEFINITIONS
<br /> Ihe jollowing defu�irinns are prutrsud to he1P apPlieants!n eomplaing +ht JARP,L Thry may not neaasarily rr.pruau
<br /> specifsc language from the laws implanaued throuah JARP.l.
<br /> Meen Hi¢h Water and Mean Hi�er Ei¢h W�ter Tidal Elevatirnu u my specific Ixadon can be found in ddal benchma:ic dara
<br /> compiled by the United Statrs Departmeut of Commecce, Faviroamenul Scieaa Secvicea Adminisaation, Cout and Geodetic
<br /> Survey, dated January 24, 1979. This info:mutioa can be obtained from the Coxps of Fagiaeers u (206) 764-3495.
<br /> lte determination of Udal elevadon is abtained by aven�ging each day's highwt tide at a varticular loca�on over a periad of
<br /> 19 yrars, measuced fi'om mean Lower Low water, which equals 0.0 tidal elevabon.
<br /> Ivtean L,ower L.ow is the 0.0 tidal elevuioa, determined by avengiag each dty'a lawaac tide at a puticulu location ova a periad
<br /> • of 19 yan. It is the tidal datum for vertiticsl tidal rofeceaces in the xlt wuer ara.
<br /> drdinarv Hi¢h R'ater Mark or line means tLe mark nn aq Lkes, streams aad tidal wattra, which will be found by ex �+����g the
<br /> hec:; and banks and ascertaining whece the p[ssence md ution of watas ue sa common and usual, and x long contiaued in all
<br /> ordinasy years. as w ma-k upon the wil or vegehtion a chancter distinct fiom thd of the abutting upland, provided tLat in any
<br /> area whae the ordinary high water marlc caanot be found, the ordinary hig6 aater mtrlc adjoiaiug e�ltwater stsll be the line of
<br /> mean higher high tide and the ordinery high water muk adjaining fieah watet shall be the line of man high water.
<br /> S6orelands or shaceland acr,�s maw thoae Luds exteading landwud fur two hundred faet in all d'uxdone u meuurod on a .
<br /> horizontal plane from the ordinary high wuer marr: floodwaya aod coutiguau floodplain aer�s landwud two 6undmd feet from
<br /> such floodways; and all wedands an3 river deltas as.sociated with t6e stnam+, Idm+, and 4da1 waters which are subject to the
<br /> provisions of 90.58 RCW.
<br /> S orctinu means all water uea of the aute, iacluding rwervain, and their a.uociated wetLad�, Wgether with the landt
<br /> underlying them, ezcept stream segmeats upaueam of.the point where mean annual flow ia lw Nnn ZO cubic feet per second,
<br /> and lakes less thaa 7A acrw in aize.
<br /> Netlands means arcas thst ue inundated or satwated by surface water ar groued a�ter at a frequeacy end dwabon sufficient to
<br /> support, and that under nocmal ciccumsunces do suppon, a peevalmce of vegeutiou typically adapted for life iu suunted soil
<br /> couditioas. Wetlands generelly include swamps, marshes, bogs, md similu aras. Wedaods do not include thox artificiil
<br /> u•etlands inten[ionally created from nonwetlaad sites, iacluding, but not limited m, urig�on and dtain�ge ditcha, grass-lined
<br /> swalu canals, detention facilitia, wu[ewater treatmen[ fuilities, farm pond�, �ed laudscape amenitia. Wedands mry include
<br /> those .�nificial wettands intentiomlly ceu[ed from nouwetlead areu to mitigate the coaveRion of wedeads.
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<br /> Instruction Page 2 of 2
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