EXH2003029201

These final meeting notes have been preparedby Kate Snider, Floyd & Snider Inc. ATTENDEES AnnKenny,Dept.of Ecology JohnDrabeck,Dept.of Ecology KellyWhiting,KingCounty KeithSmith,Portof Seattle PaulFendt,Parametrix RickSchaefer,EarthTech DonWeitkamp,Parametrix RobertFarid, Parametrix Joe Brascher,Aquaterra PonyEllingson,PacificGroundwaterGroup MEETING SCOPE AND AGENDA In a priorlowflowmeetingon 6/25/01, expectationsfor deliverablesandagendaassociated_ith this7/9 meetingweredeveloped. However,the deliverablesas definedon 6/25 were not.b;e to be submittedinadvanceof 7/9. Expectationsfor the 7/9 meetingwerechangedaccordinalv It was agreed that concurrence on the methodologytc be used to determine Iow-st,r°,.a.,_ _,7c"." mitigation requirementswould not be expected from this meeting. The agenda of this m_,eu: was defined to discussthe fc.ilowing: 1) Biologicaleffectsused in low _'iowim.-,act,-;etermi;.ation 2) Des MoinesWatershed draft materialreviewand mitiqation proI-_-;_; 3) Miller and Walker watershed briefingon status 4) Expectationsfor process :or_,srd BIOLOGICAL EFFECTS USEE_IN LOW ;LOW IMPA_3T DETERM!N_ _;,_N • Port propose_that in each watershec i,-.._stream flow impac"wili.be deterrr!_.;,"__.,.._-:,¢,d on ;.hedifferencebetweenpre-projecta-:t post-project 2-year 7-c,_ylow%w :...:_:s. • Port concludesthat determir:_tionof irnD_ctand associated mitig;tion _.,singthis _-:.:; ;._ , ,r-; ";UME-'_'_a_,. .t61YL.OCALS~1'ren_o.,_Flow,e " "' T:'-;:;'f'na'._:'¢ F]; ='L ECY00014997 AR 029201 401 Permit Decision-Making, Sea-Tac Airport Third Runway Floyd & Snider h_c. July 9, 2001 meets fish habitat goals because of the following: • Goal relative to fish habitat is to maintain existing conditions through use of mitigation • Focus of most fisheries review in streams are summer low flows with a duration of 2 weeks or more - effects "carrying capacity" of basic habitat to support fish • Mitigation as proposed will maintain existing conditions. Use of 2-year 7-day low flow to determine mitigation provides some safety factor for carrying capacity concerns for fish.…

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PSCAA Advisory Council Meeting Agenda
Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
1904 3rd Avenue, Suite 105, Seattle, WA 98101
Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]