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[Portal ID #1962]

Department of Ecology
Committees, Boards, and Workgroups

Duwamish Green Pollutant Loading Assessment

The Green-Duwamish pollutant loading assessment (PLA) will identify sources of pollution in the Green-Duwamish watershed and strategies to reduce those sources. We're partnering with the U.S. Environmental Protection Agency (EPA) to conduct this multi-year project.

2021 meetings

Technical Advisory Committee Meeting #16 - July 14, 2021

Technical Advisory Committee Meeting #15 - May 12, 2021

2020 meetings

Technical Advisory Committee Meeting #14 - February 11, 2020

PLA QAPP 2020

2019 meetings

Technical Advisory Committee Meeting #13 - August 21, 2019

 

Technical Advisory Committee Meeting #12 - April 10, 2019

2018 meetings

Technical Advisory Committee Meeting #11 - June 6, 2018

2017 meetings

Technical Advisory Committee Meeting #10 - November 1, 2017

Technical Advisory Committee Meeting #9 - March 15, 2017

Presentations:

Interested Parties Meeting #2 - March 15, 2017

Presentations:


Previous Meetings (2014-2016)

The TAC started in 2014. Our first interested parties meeting occurred in 2015. Participants provided input on existing water quality monitoring data, modeling parameter selection, modeling boundaries, and the overall technical direction. Please find summaries, agendas, and presentations for these first meetings below.

In 2016, the project team developed a Quality Assurance Project Plan (QAPP) for modeling with an emphasis on the hydrologic models.


TAC Meeting #1 - Dec. 10, 2014


TAC Meeting #2 - Feb. 19, 2015


TAC Meeting #3 - March 19, 2015


TAC Meeting #4 - April 16, 2015


TAC Meeting #5 - June 18, 2015


TAC Meeting #6 - July 16, 2015


TAC Meeting #7 - April 6, 2016

Presentations:


TAC Meeting #8 - Oct. 5, 2016

Presentations:


Interested Parties Meeting #1 - May 28, 2015

Presentations:

Handouts:

Documents

 File NameFile SizeDescriptionCategoryDate Added
PLA_TAC_EFDCvsSSM.pdf 630.3 KB
Project Update 05/29/18 12:46 PM
GreenDuwamish_HSPF_Model_Report_v2_3-19-2018.pdf 4.5 MB
Memo 05/29/18 12:45 PM
2018_June_PLA_TAC_Mtg11_Agenda.pdf 406.9 KB
Agenda 05/29/18 12:44 PM
PLAmanagementScenarios.pdf 617.2 KB 2017 November TAC meeting
2017 November TAC meeting
2017 Presentation 01/09/18 02:57 PM
LSPCvsHSPFmemo102317.pdf 353.1 KB 2017 November TAC meeting
2017 November TAC meeting
Memo 01/09/18 01:31 PM
PLAwatershedModelUpdateHandout.pdf 352 KB 2017 November TAC meeting
2017 November TAC meeting
Handouts 01/09/18 11:30 AM
SalishSeaModelpresent.pdf 618.3 KB 2017 November TAC meeting
2017 November TAC meeting
2017 Presentation 01/09/18 11:08 AM
SalishSeaModeloverview.pdf 7.7 MB 2017 November TAC meeting
2017 November TAC meeting
2017 Presentation 01/09/18 11:07 AM
presentation110117.pdf 386.3 KB 2017 November TAC meeting
2017 November TAC meeting
2017 Presentation 01/09/18 11:07 AM
Agenda2017NovPLATACMtg10.pdf 422.3 KB 2017 November TAC meeting
2017 November TAC meeting
Agenda 01/09/18 11:05 AM
DuwamishGreen11012017TACmtgSummary.pdf 123.4 KB November 2017 meeting summary
November 2017 meeting summary
Meeting Notes 01/08/18 04:32 PM
PLA-TAC031517MtgNotes.pdf 350.8 KB IP 2017 March
IP 2017 March
Meeting Notes 12/01/17 09:26 AM
PLAipMtg903152017.pdf 689.3 KB interested parties MARCH summ.
interested parties MARCH summ.
Meeting Notes 12/01/17 08:04 AM
PLAInterestedPartiesMtgMar2017Agnda.pdf 111.9 KB interested parties mar 2017 agenda
interested parties mar 2017 agenda
interested parties 12/01/17 07:58 AM
PLA-TAC031517MtgNotes.pdf 350.8 KB march notes
march notes
2017 Presentation 11/30/17 05:55 PM
2017MarchPLATACMtg9Agenda.pdf 134.1 KB March Meeting agen.
March Meeting agen.
2017 Presentation 11/30/17 05:53 PM
PCBsourceAssess31517novideo.pdf 718.4 KB march finding and fix
march finding and fix
2017 Presentation 11/30/17 05:33 PM
IP-PCBcongenerStudy-FactorAnalysisResults.pdf 1.5 MB march - PCB Congeners
march - PCB Congeners
2017 Presentation 11/30/17 05:32 PM
LDW032016.pdf 615.2 KB march PCBs
march PCBs
2017 Presentation 11/30/17 05:31 PM
IP-LSPCwtrshedModelforFlow031017.pdf 3.5 MB march lspc
march lspc
None 11/30/17 05:30 PM
PLAipOverview.pdf 31.9 MB march - pro. overview
march - pro. overview
2017 Presentation 11/30/17 05:28 PM
PLAipMtg903152017.pdf 689.3 KB MARCH - Agenda and next step
MARCH - Agenda and next step
2017 Presentation 11/30/17 05:25 PM
PCBcongenerStudy-FactorAnalysisResults.pdf 1.4 MB PCB Congener
PCB Congener
2017 Presentation 11/30/17 05:18 PM
DuwamishPLAtacMtg9-031017.pdf 3.8 MB LSPC Model Devel Hopefully
LSPC Model Devel Hopefully
2017 Presentation 11/30/17 05:17 PM
PLAtacMtg9.pdf 202.7 KB pro over. & wrap up. Hopefully
pro over. & wrap up. Hopefully
2017 Presentation 11/30/17 05:11 PM
DuwamishModelDocumentation020117HydroAppend.pdf 6.1 MB appdndices to LSPC
appdndices to LSPC
Project docs 11/30/17 04:58 PM
DuwamishModelDocumentation020117Hydro.pdf 7.7 MB LSPC
LSPC
Project docs 11/30/17 04:56 PM
Green-DuwamishPLAQapp07112016Signed.pdf 3.7 MB modeling quapp
modeling quapp
Project docs 11/30/17 04:55 PM
TetraTechGrnDuwamishPLADataGapsPollutantGrpngsRevDraft06092015.pdf 3.4 MB data gaps
data gaps
Project docs 11/30/17 04:53 PM
DuwamishPLAdataModelEvalMemo.pdf 2.6 MB exisiting data
exisiting data
Project docs 11/30/17 04:52 PM
Grn-DuwamishPLAtechApproachAppendsFinal10172014.pdf 32.1 MB appendices
appendices
Project docs 11/30/17 04:50 PM
Grn-DuwamishPLAtechApproachFinal10172014.pdf 21.9 MB 2. grn watershed as. tech approach
2. grn watershed as. tech approach
#NEW_CATEGORY# 11/30/17 04:46 PM
TACmtg5PresentationFINAL.pdf 2.6 MB 2015 #5 June presentat. fin.
2015 #5 June presentat. fin.
Project Overview 11/30/17 09:31 AM
PLATACMtg5DRAFT06182015.pdf 307.7 KB 2015 #5 draft summ
2015 #5 draft summ
Meeting Notes 11/30/17 09:29 AM
PLATACAgendaJune2015.pdf 151.5 KB 2015 #5
2015 #5
Agenda 11/30/17 09:28 AM
TACmtg5PresentationFINAL.pdf 2.6 MB 2015 June TAC mtg 5 presentation
2015 June TAC mtg 5 presentation
Project Overview 11/30/17 09:03 AM
TacMtg1FINAL.PDF 2.6 MB 2014 Dec. pro. overview
2014 Dec. pro. overview
Project Overview 11/30/17 08:50 AM
PLA-IPmtgCommentForm05282015.pdf 392.1 KB comment
comment
Handouts 11/29/17 05:18 PM
ProposedParamsHandoutPLA-IPmtg05282015.pdf 214.1 KB handouts: proposed
handouts: proposed
Handouts 11/29/17 05:17 PM
GrnDuwamishPLAgoalsandobjectiveshandout.pdf 25.9 KB grn PLA goals
grn PLA goals
Handouts 11/29/17 05:15 PM
GrnDuwamishPLAoverviewhandout.pdf 31.1 KB Grn. PLA overview
Grn. PLA overview
Handouts 11/29/17 05:15 PM
NextStepsIPmtgFINAL05282015.pdf 432.4 KB presentation: next step
presentation: next step
interested parties 11/29/17 05:13 PM
IntroPLA-IPmtgFINAL05282015.pdf 1.1 MB presentation: into to poll.
presentation: into to poll.
interested parties 11/29/17 05:12 PM
5TimmEcyLwrDuwamishWtrwaySourceControlPLAmtg05282015.pdf 1.4 MB presentation: lower dum. source con.
presentation: lower dum. source con.
interested parties 11/29/17 05:10 PM
4HaleLwrDuwamishWtrwayROD-PLAmtg05282015.pdf 1.1 MB presentation: lower Dum. in waterway
presentation: lower Dum. in waterway
interested parties 11/29/17 05:09 PM
3OstergaardWRIA9PLAmtg05282015.pdf 262.2 KB 2015 Presentation: WRIA
2015 Presentation: WRIA
interested parties 11/29/17 05:09 PM
2StantonUrbanWtrsFedPartnershipPLAmtg05282015.pdf 1.5 MB Presentation: fed. urb water init.
Presentation: fed. urb water init.
interested parties 11/29/17 05:07 PM
1OgierGrnDuwamishWtrshedStrategyPLAmtg05282015.pdf 2.3 MB presentation: green-dum state.
presentation: green-dum state.
interested parties 11/29/17 05:05 PM
GrnDuwamishStatusIPmtgFINAL05282015.pdf 2 MB presentation: status
presentation: status
interested parties 11/29/17 05:02 PM
GrnDuwamishPLAinterestedPartiesMtgMay2815SummaryFINAL.pdf 681 KB 2015 May Summ.
2015 May Summ.
interested parties 11/29/17 04:59 PM
PLAInterestedPartiesMtgMay28Agenda.pdf 306.8 KB May 2015 Agenda
May 2015 Agenda
interested parties 11/29/17 04:55 PM
DuwamishPLA-TACmtg100516TetraTech.pdf 5.9 MB 2016 Oct Set up and Devo
2016 Oct Set up and Devo
2016 Presentation 11/29/17 04:52 PM
DuwamishPLA-TACmtg100516RM.pdf 2.2 MB proj. update #8 oct.
proj. update #8 oct.
2016 Presentation 11/29/17 03:24 PM
2016-1005PLA-TACMtg.pdf 160.3 KB 2016 Oct. summ #8
2016 Oct. summ #8
Meeting Notes 11/29/17 03:22 PM
DuwamishPLA-TACmtg100516genda.pdf 140.8 KB 2016 Oct.
2016 Oct.
Agenda 11/29/17 03:20 PM
DuwamishPLA-TACmtg7TtDraft04052016FWM-DataMgmt.pdf 1.1 MB 2016 April Food web
2016 April Food web
2016 Presentation 11/29/17 03:18 PM
DuwamishPLA-TACmtg7TtDraft04052016EFDC.pdf 2.1 MB 2016 April EFDC
2016 April EFDC
2016 Presentation 11/29/17 03:13 PM
DuwamishPLA-TACmtg7TtDraft03292016LSPC.pdf 1.9 MB 2016 April LSPC
2016 April LSPC
2016 Presentation 11/29/17 12:40 PM
PLA-TACmtg040616Finalv2.pdf 290 KB 2016 April pro. overview, qapp, phas.
2016 April pro. overview, qapp, phas.
#NEW_CATEGORY# 11/29/17 12:37 PM
PLAtimelineDRAFT040116.pdf 8.9 KB 2016 April PLA time
2016 April PLA time
Project Overview 11/29/17 11:57 AM
2016-0406PLA-TACMtgfinal.pdf 158.4 KB 2016 April
2016 April
Meeting Notes 11/29/17 11:54 AM
2016AprilPLA-TACmtg7Agenda.pdf 140.9 KB 2016 April
2016 April
Agenda 11/29/17 11:51 AM
TACmtg6PresentationFinal.pdf 3.7 MB 2015 July model devo
2015 July model devo
Project Overview 11/29/17 11:50 AM
2015JulyPLATACmtg6.pdf 161.2 KB 2015 july
2015 july
Meeting Notes 11/29/17 11:48 AM
July2015_PLATACAgendaFINAL.pdf 396.1 KB 2015 JULY
2015 JULY
Agenda 11/29/17 11:48 AM
2015JulyPLATACmtg6.pdf 161.2 KB 2015 july
2015 july
Meeting Notes 11/29/17 11:46 AM
PLATACMtg5DRAFT06182015.pdf 307.7 KB 2015 June sum.
2015 June sum.
Meeting Notes 11/29/17 11:43 AM
PLATACAgendaJune2015.pdf 151.5 KB 2015 June
2015 June
Agenda 11/29/17 11:42 AM
PLATACMtg4-04212015DRAFT.pdf 264.9 KB 2015 April
2015 April
Meeting Notes 11/29/17 11:40 AM
TACmtg4PresentationFINAL.pdf 10.1 MB 2015 April Present. preliminary paramet.
2015 April Present. preliminary paramet.
Project Overview 11/29/17 11:38 AM
April2015PLA-TACagendaFINAL.pdf 401.9 KB 2015 April
2015 April
Agenda 11/29/17 11:37 AM
03192015TACMtg3Presentation2.pdf 286.5 KB 2015 March how we decide poll. present.
2015 March how we decide poll. present.
Project Overview 11/29/17 11:35 AM
03192015TACMtg3Presentation1.pdf 3.1 MB 2015 March Refine data presentation
2015 March Refine data presentation
Project Overview 11/29/17 11:34 AM
03192015TACmtg3SummaryFINAL.pdf 421.5 KB 2015 March summ.
2015 March summ.
Meeting Notes 11/29/17 11:32 AM
2015MarchPLA-TACAgendaFINAL.pdf 401.7 KB 2015 March
2015 March
Agenda 11/29/17 11:31 AM
TACmtg2PresentationFINAL.pdf 4.1 MB 2015 Feb presentation
2015 Feb presentation
Project Overview 11/29/17 11:28 AM
TACmtg2PresentationFINAL.pdf 4.1 MB 2015 Feb presentation
2015 Feb presentation
Project Overview 11/29/17 11:15 AM
02192015TACMtg2SummaryFINAL.pdf 279.5 KB 2015 Feb Summ
2015 Feb Summ
Meeting Notes 11/29/17 11:10 AM
2015FebPLA-TACAgendaFINAL.pdf 428.1 KB 2015 FEB Agenda
2015 FEB Agenda
Agenda 11/29/17 11:08 AM
PLA-TACMtg1TetraTechSlides.pdf 1.4 MB 2014 tech approach/tetra tec slids.
2014 tech approach/tetra tec slids.
#NEW_CATEGORY# 11/29/17 11:01 AM
12102014TACMtgSummaryFINAL.pdf 100.3 KB 2014 Meeting sum.
2014 Meeting sum.
Meeting Notes 11/29/17 10:47 AM
2014DecPLA-TACagendaFinal.pdf 473.3 KB 2014 TAC
2014 TAC
Agenda 11/29/17 08:41 AM

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