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City Council Meeting - Council Workshop - Regular Minutes - 12/13/2022
Approved City Council Workshop • Workshop Regular Meeting KENT Minutes WAS M IN G 7 0 N December 13, 2022 Date: December 13, 2022 Time: 5:00 p.m. Place: Chambers I. CALL TO ORDER Attendee Name Title Status Arrived Bill Boyce Council President Present Brenda Fincher Councilmember Present Satwinder Kaur Councilmember Present Marli Larimer Councilmember Remote Zandria Michaud Councilmember Present Toni Troutner Councilmember Present Les Thomas Councilmember Present Dana Ralph Mayor Present II. PRESENTATIONS 1 Lost Urban Creeks Youth Interns Mike Mactutis 30 MIN. Anna Bachmann Puget Soundkeeper Alliance Environmental Engineering Manager, Mike Mactutis introduced members from Unleash the Brilliance youth mentorship group that is working with the Puget Soundkeeper Alliance on the "Lost Urban Creeks Project." Anna Backmann, from the Puget Soundkeeper Alliance was present and oversees the internship program. Interns: Hannah Park, Emanuel Chavez, Dylan Dozier and Cole Dozier, with Unleash the Brilliance, presented information to the Council on water quality and the streams in Kent. The interns provided an overview of the organization that was created to empower local youth and communities around Springbrook Creek to study, improve water quality and steward Springbrook Creek as well as other urban creeks of Puget Sound. Details were provided regarding the Springbrook Creek Watershed Final Water Quality Monitoring Report for 2019/2020 and 2020/2021 that included findings related to dissolved oxygen, temperature, turbidity and bacteria. Recommendations included: stream restoration, Green stormwater City Council Workshop Workshop Regular December 13, 2022 Meeting Kent, Washington Minutes ......................................................................................................................................................................................................................................................................................................._............................................................................................................................................................................................................... infrastructure, improvements to flows (i.e. culverts and channel improvements), bacterial source tracking and Springbrook Watershed Restoration Plan. Environmental Engineering Manager, Mike Mactutis provided details on the projects that Kent is working on related to the urban creeks. The Drainage District owns the system and the City works in cooperation with the District. Mactutis advised in 2023 the City is starting the Source Control Inspection Program that is designed to intercept materials before they enter the creeks. 2 Green River Update Mike Mactutis 30 MIN. Environmental Engineering Manager, Mike Mactutis provided the Council with an update on work related to the Green River. Mactutis provided an overview of the Green River Watershed and advised the City of Kent is mostly in the Lower Green River watershed. The lower Green creek systems flow into the Black River pump station and then into the Duwamish. Mactutis reviewed the Clean Water - Stormwater Management and Pollutant Control programs and provided an update on the Howard Hanson dam projects. The City is working work with the King County Flood Control District on capital projects. The next steps related to the Lower Green River Flood Hazard Management Plan include an alternative analysis on how to deal with levy projects along the river. Mactutis advised the City is working on the Signature Point Levee project and are currently progressing designs, working on real estate acquisitions and are participating in the Habitat Work Group. The Milwaukee 2 Levee project work includes progressing real estate acquisitions and utility relocations. The City is working with the US Army Corps of Engineers and King County on flood damage repair to the McCoy and Desimone levees. Mactutis provided information on updates to the river monitoring gages through the USGS and provided on outlook from NOAA on the winter weather ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Page 2 of 3 City Council Workshop Workshop Regular December 13, 2022 Meeting Kent, Washington Minutes ......................................................................................................................................................................................................................................................................................................._............................................................................................................................................................................................................... forecast. Mactutis provided an update on the Downey Farmstead Restoration Project, with construction being nearly completed and the Lower Russell Habitat Area "A" project that has received some grant funds to start the project. Meeting ended at 6:00 p.m. K6mb-o b?,y A. KoT o-to- City Clerk ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Page 3 of 3 Lost Urban Creeks Water Quality Presentation Kent City Council Meeting December13th 2022 PUGET UNLEASH THE BRILLIANCE SOUNDKEEPER® Hannah Park LOST Emanuel Chavez Dylan Dozier U RBAN Cole Dozier CREEKS �-T To empower local youth and LU � I communities around Springbrook Creek to study, improve water I a� R BAN _ quality and steward Springbrook RE E K S Creek as well as other urban creeks of Puget Sound. • Education & Skills Building • Water Quality Monitoring and Pollution Investigations • Outreach • Restoration • Resource & Power-sharing r LOST URBAN CREEKS R Spri ngbrook Creek Watershed Final Water Quality Monitoring Report Wo For 2019/2020 and 2020/2021 jr i Os � ��y ;■' "fir..s''�� \� � ., August2022 A project of PUGET SOUNDKEEPER' In artnershi with SNO NING FORTF�RRA �. P P �L�uPiC iL With supportfrom Russeil � Nationa 4 E 5 Kent �K'rgC�unty Family Park t��l' community axnRr�:�r Foundation river u4a"`Y .er..,.,a�a<�.� Services Foundation wn,.eewere,inermeK ® M 900 99 THE LANDING N-ROULEVARp Where we worked? PARK \ Bryn Henry Moses Jimi Hendrix Memo Mawr Skyway Aquatic Center Renton 1 fi9 Tributary Water Quality Locations Tukwila St,- ire Sports PANG 0-Panther Crk Mile 0.0 tle-Tacoma % 1 } 167 rnational, 0 PAN2.D-Panther Crk Mile 2 Airport P II 'SOUTHCENTER ©MIL0.8-Mill Crk Mile0.8 ©MIL2.D-Mill Crk Mile2.D IKE 18i O MIL5.3-Mill Crk Mile5.3 SeaTac Cascade-FairwoodO Main Stem Water Quality Locations - a 16 O Anglesi s East © Lake Park ` Hill-Meridian SPPRI A-Springbraak Mile 1.4 If O Foods ff iei SPR5.0-Springbrook Mile 5.0 es Creeks Soos Creek Trail® Springbrook Creek sib Mill Creek lO Panther Creek Kent r si6 The H e Depot Lost Urban Creek Water rk -T 9 Lake sib Quality sampling locations soe Fenwick Park Wet Season: Oct 2019 to April 2020 How to read our graphs Dry Season: May 2020 to Sept 2020 Wet Season: Oct 2020 to April 2021 X MIL0.8 ■ MIL5.3 X PANO.0 SPR1.4 SPR5.0 Dry Season: May 2021 to Sept 2021 Wet Season (2019-2020) Dissolved Oxygen (mglL) Solid lines and square X MIL0.8 ■ MIL5.3 X PAN0.0 , SPR1.4 ■ SPR5.0 State Standard points are for locations Concentration 15 upstream in the watershed 10 - - - - - - - - State Standard 5 _ x Dashed lines and x's are for locations downstream in the X watershed 0 09/28/2019 10/26/2019 12/22/2019 1/25/2020 2/23/2020 3/30/2020 4/27/2020 Sample Date 4 Sample Date Our findings Dissolved Oxygen Dry Season (2021) Dissolved Oxygen (mg/L) Dry Season (2020) Dissolved Oxygen (mg/L) X MIL2.0 ■ MIL5.3 X PAN0.0 0 PAN2.0 X SPR1.4 S R5.6 State Standard X MIL0.8 ■ MIL5.3 X PAN0.0 ■ PAN2.0 SPR1.4 SPR5.0 State Standard 12 15 1� 10 ——— 8 JG 10 5/29/2020 6/28/2020 7/26/2020 8/30/2020 9/27/2020 5/23/2021 6/30/2021 7/25/2021 8/22/2021 9/26/2021 Sample Date Sample Date Dry Season(2021)Dissolved Oxygen(mg/L) Dry Season(2020)Dissolved Oxygen(mg/L) X MIL0.8 ■ MIL5.3 X PAN0.0 ■ PAN2.0 X SPR1.4 ■ SPR5.0 State Standard X MIL2.0 ■ MIL5.3 x PAN0.0 ■ PAN2.0 SPR1.4 SPR5.0 State Standard 15 12 Our findings 10 - —■ g 10 6 ` .—.� 4 — 5 _ Dissolved Oxygen 2 -. '� - - - -X, —X- - ' IX 0 :- ' - - - - - _ _ _._ _ __ D X - - - _X— 5/23/2021 6/30/2021 7/25/2021 8/22/2021 9/26/2021 5/29/2020 6/28/2020 7/26/2020 8/30/2020 9/27/2020 Sample Date Sample Date Wet Season (2019-2020) Dissolved Oxygen (mg/L) Wet Season (2020-2021) Dissolved Oxygen (mg/L) X MIL0.8 ■ MIL5.3 X PAN0.0 .. SPR1.4 ■ SPR5.0 State Standard X MIL2.0 m MIL5.3 X PAN0.0 PANI2.G SPR1.4 SPR5.0 State Standard 15 15 10 10 Ix IX X 0 0 — 09/28/2019 10/26/2019 12/22/2019 1/25/2020 2/23/2020 3/30/2020 4/27/2020 11/1/2020 12/1/2020 1/1/2021 2/1/2021 3/1/2021 4/1/2021 Sample Date Sample Date Dry Season(2021)Dissolved Oxygen(mg/L) Dry Season(2020)Dissolved Oxygen(mg/L) X MIL0.8 ■ MIL5.3 X PAND.0 ■ PAN2.0 X SPR1.4 ■ SPR5.0 State Standard X MIL2.0 ■ MIL5.3 X PAN0.0 ■ PAN2.0 SPR1.4 SPR5.0 State Standard 15 12 Our findings 10 - 8 10 6 ` .—.� 4 — X 5 _ _ Dissolved Oxygen 2 -. '� - - _._X, ' IX 5/23/2021 6/30/2021 7/25/2021 8/22/2021 9/26/2021 5/29/2020 6/28/2020 7/26/2020 8/30/2020 9/27/2020 In the wet season Sample Date Sample Date when we expect conditions to be better and salmon to Wet Season(2019-2020) Dissolved Oxygen(mg/L) Wet Season(2020-2021)Dissolved Oxygen(mg/L) X MIL0.8 MIL5.3 `.G., SPR3.4 SPR5.0 State Standard X MIL2.0 ■ MIL5.3 X PAN0.0 ■ PAN2.0 SPR1.4 SPR5.0 State Standard be migrating into our 15 15 local streams and 10 10 rivers, several stations ,; in the lower basin are 5 f =.:,.:� ;: ,,X _X- .- __ _..x _ _ _ ,.,.;._X -. ,_. --- X . X not meeting the State's dissolved D 0 - -.- ' 09/28/2019 10/26/2019 12/22/2019 1/25/2020 2/23/2020 3/30/2020 4/27/2020 11/1/2020 12/1/2020 1/1/2021 2/1/2021 3/1/2021 4/1/2021 oxygen standard ... this Sample Date Sample Date is a problem for salmon. Our o 0 0 0 Temperature Sockeye show Early signs of Associated with Chronic exposure decreased physiological stress high pre-spawn can lead to severe 17.51C Washington's State Standard for Water Temperature swimming and slow migration mortality and stress and early performance disease mortality e , Our findings Temperature Dry Season (2020) Water Temperature (deg C) Dry Season (2021) Water Temperature (deg C) X MIL0.8 ■ MIL5.3 x PAN0.0 ■ PAN2.0 SPR1.4 _ SPR5.0 State Standard X MIL2.0 ■ MIL5.3 X PAN0.0 ■ PAN2.0 SPR1.4 SPR5.0 State Standard 20 25 �X 15 ! 7C'�7xar. 15 10 10 5 5 — 0 0 5/29/2020 6/28/2020 7/26/2020 8/30/2020 9/27/2020 5/23/2021 6/30/2021 7/25/2021 8/22/2021 9/26/2021 Sample Date Sample Date 4�. ~ N .} Our findings ` ,Aft, Turbidity AN LowTurbidky . . . . . . . . . . . . . . . . . . .. .. ..- .. .. -. ._ - . . . . . . . . . HighTurBir .' Clear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Murky Our findings Wet Season(2019-2020)Turbidity(NTUs) Wet Season(2020-2021)Turbidity(NTUs) X MIL0.8 ■ MIL5.3 X PAN0.0 SPR1.4 ■ SPR5.0 State Standard X MIL2.0 ■ MIL5.3 X PAN0.0 ■ PAN2.0 X SPR1.4 SPR5.0 State Standard 40 20 • � � I I I I I 3D 15 Turbidity i i,_77`� �. X III . I II I i i T'—•—�� 20 10 � � i� �c� �� III ♦ � I I �•/ I � I / I / 0 / 5 o ° 09/28/2019 10/26/2019 12/22/2019 1/25/2020 2/23/2020 3/30/2020 4/27/20; 11/1/2020 12/1/2020 1/1/2021 2/1/2021 3/1/2021 4/1/2021 Sample Date Sample Date Dry Season(2020)Turbidity(NTUs) Dry Season(2021)Turbidity(NTUs) X MIL2.0 ■ MIL5.3 X PAN0.0 ■ PAN2.0 X SPR1.4 ■ SPR5.0 — State Standard X MIL0.8 ■ MIL5.3 X PAN0.0 ■ PAN2.0 SPR1.4 SPRS.0 State Standard 80 100 K 75 i 60 ` Ix x 50 / 40 25 _x 20 0 — 0 5/29/2020 6/28/2020 7/26/2020 8/30/2020 9/27/2020 5/23/2021 6/30/2021 7/25/2021 8/22/2021 9/26/2021 Sample Date Sample Date Sample Months (cfu/100 mL)* Bacteria Site Sep-2019 Nov-2020 May-2021 Sep-2021 Geomean Result 1-Springbrook 42 140 219 Hot Spot Fecal Coliform Bacteria* 2-Garrison 225 62 352 170 Hot Spot Measured In colony- 3-Mill 800 32 710 650 330 Hot Spot forming units (cfu) per 100 mL of Water. 4-Mill 90 1 110 750 52 Hot Spot Average of 100 cfu/100mL 5-Mill 130 16 12 10 22 High Hit* or higher is considered a Health Risk 6-Garrison 300 38 74 164 Hot Spot 7-Springbrook 96 78 138 Hot Spot *from Drainage District No. 1 8-Springbrook 300 38 208 48 103 Hot Spot Data 9-Mill 50 76 90 140 83 High Hit Our recommendations • Stream Restoration • Green Stormwater Infrastructure (GSI) • Improve flows (i.e. culverts and cµ channel improvements) f. • Bacteria Source Tracking • Springbrook Watershed Restoration : Plan �� Next Steps . . . LUC Project will continued monitoring quarterly . . . o Springbrook Creek (Renton & Kent) o May Creek (Renton) o Mill Creek (Auburn) • Our Ask . . . o How can the city of Renton (or Kent) work to j #y solve some of Springbrook Creek's problems that we've outlined here? o Can the city take concrete action on the recommendations we've listed here? If yes, when? If no, why not? Thank you ! a Unleash the Brilliance: https://www.utbteens.com/ Contact: Terrell Dorsey, terrelldorsey(a).utbteens.com, Puget Soundkeeper Alliance: https://pugetsoundkeeper.orq/ Contact: Anna Bachmann, anna(a�pugetsoundkeeper.org, 360-821- 9859 Lost Urban Creeks(LUC) Project: https://Pugetsoundkeeper.org/programs/lost-urban-creeks/4 r- LUC Project on Instagram: https://www.instagram.com/lost urban creeks/ � - And thanks to our partners & supporters! �� King County Water Works The Russell Family Foundation . Sno-King Watershed Council Drainage District No. 1 Forterra tast Henton 5pr mgbr ok Sampling ese " ` � � / . Eg*_d R� n Locations / � MIL 3 9019-O Re , S144th \ �. S � / G_ . © MIL» 9020-±Only) f:D Due�n . '\ ,222 , ( . y, E/ Only) _ ± ■ MIL.3 \ , - ` �NO.0 v:wan } w / ter—a Na o 020-1 N/a�ndy� C. *� ® , / ~ e ® ■ Only) ` .� SPRu4 y � � � , a sRkwD a f\. l2 : SE sa! . O� A4 / f ;: @,e 2� . ; Q \f . ` < 5E 5L \ /. � \ \\D Moines \ , s=_hSI % �dw/ay SE aa,> I \E 2: ) \ W ~« _J `a.e Kentu6 «- Heim J D ( \ w Creek SE R ,\ Ea' + $ lvrrl's >n#. 4 x ;n - e - �' _ i I =a. f Green River Update Kent City Council Workshop December 13, 2022 Presentation Outline r Green River Watershed °° �' _, � h� , Overview L _ , �� • Howard Hanson Dam •\s King County Flood Control District River Monitoring • NOAA - Winter Forecast • Flood Season Preparation Endangered Salmon - - � �R 4qG��. �dg�7c�9'l ' §� ,�i1,�gi1���.�' '§ -d'�' 9 ����;�. �..,,� _ �.� �`/�''��•��o,� d jF j - MEN- van - __ S , f:F Watershed Overview^ Geography Clean Water - _ s r ' Y ' r • ' � Du" . rs : i \�er Waters - -; r i. •y . +r I ir Ri 40 Is Kent �/' ^r+ �, _ r �.. • � .e 'Y�� :� r_, ,jam! =�;�,' :,� ; Lower - Howard Hansen Dar 4� Green Rived rW.5,t ez- :• ` f. r`y 1 t 3 , Middle .Green River ' y Upper Green Fiver . : 't � � #• �' � � � ,fir � 1 1r . 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PHONE, ��{5 I11 WARNING APP MESSAGEOR [Roza D I S T R I T k �Wrn�rr•Mr�b rrfY-�-nF�l]{RT iYr�r T,9 W ft>b 4Mrtltlu n�nrdu rk�rrlrPrr���W dp xtairLL mF�rS�12 ll'1`.n r btu r ��--J RElY.iOH t Lower Green River Flood Hazard Management Plan � 5€A1JrC Next Steps • •,opMxnnr� - P,wK f sales■ _.. '17 - J wu rrswx ss■ DES _ *$ llNpN - si Alternative Analysisi f Process • Board Adoption and Implementation i 1*IYY tl i Lower Green Rr4er�orridar Ffoad Hazard�lanag�ment Plan and�rogamroallc En,rror+me++ta�Irnpatl 5ta�emenl Frio , OShdyJura �CE7r�4ea •]0 �rY1e � � �.r. .....r.+.�..... N0 1,200 2,400 4,800 LEVEES LINETYPE LEGEND A ®FEET �ExlsilxG 10axEAR LEVEE 112,00o ccsl �Y A 11NCH=1,200 FEET �EXISTING 500-YEAR LEVEE 118,800 CF5) 51)g Sr �IMPROVEMENTS NECESSARY FOR FEMAACCREDITATION 0 �Q � Q� 800 Feat 5180 ST SW 43 ST Lower Russell Levee Construction nearly complete ' IT Habitat Backwater Area 1 Inch=4t7O feet with Large wOpd Elements Scour Prol9olion m° � Expanded Floyd Corridor BRISCOE-0ESIMONE LEVEE � {hazbs and rack revelment]and - ao.�i REACHI ti -� "� Large Wppd Elements \ BRISCOE-0ESIMONE LEVEE S1g2 � . h REACH 2 S 192 ST.ST SE �Ill, 'i FEMA ACCREDITATION BRISCOE-DESIMONE LEVEE �� "�,�L��— .� REQUIRED IN TUKWILA REACH3 _ - ` BRISCOE-0ESIMONE LEVEE w r_ � � Z O� BOEING LEVEE `' e'r. 0: W M1"•� n. ���It �J Relocalpd Van DO[On 5 Park LOWE SELL ROAD LEVEE ; 6� �' w S 228 ST ro VET S C ae c. UPPER RUSSELL ROAD LEVEE Gree (SRS18 TO S 2Sist WA`/) C CIO a p N}{ JAMES STU 52405T SE 240 ST_ FOSTER PARK LEVEE a HAWLEY ROAD LEVEE S,P MILWAUKEE II LEVEE `^ __ sE.24a sr `� ' Russell Woods 7rallnead s SR 516 HORSESHOE BEND LEVEE PXASEII f C WEST REACH � RUSsell Road F=eCOn5lrUClipn � _ Legend Updated 1116I19 HORSESHOE BEND LEVEE PHASE II c ' EA3T REACH 1 SIGNATURE POINTE LEVEE '�-''�a Park Facilities - Gravel Trails �`� � .fir ��;,�. ' Pavement{asphalt,gravel,CvnC.] Water Main KENT AIRPORT LEVEE ` �• ' '�:4 ti.' - Aark Trails Park Boundary{1O_acres] HORSESHOE BEND LEVEE ¢ �'� ocoo �/ _ Regional Trail Qesign Contours 5E2l4 a„ � - • � Floodwall �_�:'-�: Existing Wetlands WAY_ s zn sr - ` ' :. Levee Gravel Section r GREEN RIVER LEVEES IN KENT ti •� ''�'`"�' _ Lower Russel I Le�ree Setback Project .......... Map Pnnf Dafe:Ocfober f0M,T01 •. - ., .A IA- _. '��` � ', �, ( �4=,,.,, �' ,�. _ - _ �- '"�yj.,gip �"7 a� �--.,�,• +4��-n^a�::._n . .' c�,�• - --- t � S .7Wk -_.- _ __- p_ �. Ac> -- - `V Ic r > i a a r � f - / _ ---�)�• , � s �"�r ray, /� i - Wr a � . A �• I r _ e ,- +a r � oil ,' -- yp„ � ., '��.� '_L"�" .: .. i- • 3'r""hP'"�+'r"�' _ I,'E .�. �..'""�G. �Yvo�? Y'� h .�n'fi' ,rw 4 s uv _ S i ..sue e* .. ,»..cam..- ... .. _ 0 1,200 2,400 4,800 LEVEES LINETVPE LEGEND _ `�' ®FEET �E%Isnx0loo.YEAR LEVEE 112.000 cFs) .i;-' _ .. Signature Pointe Levee Progressing Designs, Real Estate Acquisitions, and Habitat Work Group 11NCH=1,200 FEET �E%ISnNG 500-YEAR LEVEE 118,800 CFS) - ��a� V ---- � J� AICi S 1)g ST �IMPROVEMENTS NEOESSARY - - ) - - - FOR FEMAACCREDITATION - St80ST BRISCOE-DESIMONE LEVEE BRISCOE-DESIMONE LEVEE S1yZ REACH 2 5192 ST.ST SE 192 ST FEMA ACCREDITATION BRISOOE-DESIMONE LEVEE uwi e REQUIRED IN TDKWILA REACXS � > AS DOWNSTREAM TIE-IN _5 200 ST SE 200 ST ai BRISCOE-DESIMONE LEVEE c REACX 4 J O� BOEING LEVEE w 52085T SE 2085T 1 FRAGER ROAD 52125T � �� LEVEE ,� ee LOWER RUSSELL ROAD LEVEE y F� �'6 - q�s w S zze sr m z VETERAN$OR ?OS�<< UPPER RUSSELL ROAD LEVEE r (SR518 T05231st WA`/) ¢ �q 2 JAMS$ST U S 240 ST SE 240 ST FOSTER LEVEE S� MILWAUKEE II LEVEE � ss SE 248 ST HORSESHOE BEND LEVEE PHASE II � WEST REACX - A ti 2 HORSESHOE BEND LEVEE PHASE II x SIGNATURE POINTE LE KENT AIRPORT LEVEE HORSESHOE BEND LEVEE 3 9 92]25T 'f.. SE 2]4 L S 2]]ST �� GREEN RIVER LEVEES IN KENT MapPnntDab:Ocfdrerl0fM1,201 tif5� � � I Y I • ApWtrnerl#5 ClT•' CF KE:hrF - m �I s �_�y - �f fT� i� �� LC,� — • - r� Signature F {f J Rond Paint* f r 1.1raf err r aT +4 arlxner7t5 -w. SATE KING CQUVTIr �f lord.. Recreatk;pn Opportunity + ' QwNwzy rGa"mpn�»y mow. Art Ip Pedeswanl Maintenance Access Tait!Pledeshnan Access Levit�e F4etairl ing Wall 47� L fill Waterfront Access L .f I Z CpN,spac-eand salmon Habi#at Enhafiocement area \ ! 1XY x Salmon Habg#a4 1 � Enhanc-ement Area `' ,Y , Y 10 Riparian Planting Area °L S � m 515N1 M-NE rP01NiE LEVEE Pt IY YEWE" Z coLK mbs DepsrmeeeQ'.ExGL� SAC PC.WfE+ra e, a.rE { i 4swr�.tine. �: +4 N0 1,200 2,400 4.800 LEVEES LINETYPE LEGEND ®FEET EXISTNG 100-YEAR LEVEE(12,000 CM) A 1 INCH=1,200 FEET EXI3TNG 500-YEAR LEVEE(18,800 CF5) IMPROVEMENTS NECESSARY FOR FEMAACCREDITATION S 180 ST • SW 43 ST BRISCOE-DESIMONE LEVEE m REACHI Fi BRISCOE-0ESIMONE REACH 2 S 192 ST.ST SE 192 ST " Sii 6S FEMA ACCREDRATION BRISCOE-DESIMONE LEVEE REQUIRED IN TUKWILA REACH3 -—AS DOWNSTREAM TIE-IN z 1200 ST SE 200 ST ai - _` I•I 5,' C BRISCOE-DESIMONE LEVEE J - �„ p�� BOEING LEVEE '' � �• , w h S211 ST SE 211 ST y x. y FRAGE LEVEE 52125T a ROAD J' P LOWER RUSSELL ROAD LEVEE O O � O } R Q 5� GS w _2285T .J ork S VETERANS DR UPPER RUSSELL ROAD LEVEE ¢ �_ (SR516 T0S231st JAMES STD I 52405T /SE 2405T FOSTER PARK LEVEE ¢ _d HAWLEV ROAD LEVEE - •PS MILWAUKEE II LE s SR 516 IW. Y4- HORSES BEND LEVEE PHASE WEST CH Q� HORSESHOE BEND LEVEE PHASE II 3 '-f EAST REACH SIGNATURE POINTE LEVEE KENT AIRPORT LEVEE ^ X HORSESHOE BEND LEVEE - it i •_ �� 1272 ST SE WAV4 it 1277 ST q- h. C J. �T GREEN RIVER LEVEES IN KENT y: uJ ti + 4ROW .4,4114114 f . .. — � �. ! ; ; ''ACQUIRE AMRIK COMMERCIAL ' ,.- • » STREET r + RENTALS PROPERTY , __ LEVEE WITH CONNECTION e I y RELOCATION , � I x F} TRAIL ON TOP APPROX 1NETTED sio�r^, a�• - sw _ BACKWATER CHANNEL. �,. LIMITS AT 6�(?U CFS � ; ; _ ' - � w , f�` -� PARCEL 0MWI09ca Er- r r I i ly LLi 1 I 1 ��- . �, ,- I �f`, 7C FfC�F1UC0.Y4LL low Z F *r` PA1;(`� I =� --Am to �r ¢�" , rk. V J., � �`+.--ROW : FLOW THROUGH CHANNEL GO �OPERTY .�•4; _,,c �� ., 34a) r! r TO ALLOW REGULARIRE PORTION HABITAT UAOF PR FLUSHING OF BACKWATER ' - '-CHANNEL ` ltlf L — S 259'H ST �—CIMIT S��—•- � ON ROW ' -ROW 59TH BRI�E GREEN RIVER!NJ a. 1pr VEMENT �i.yrr—__ -- _ CITY LIMITS ;R °" �FLOOU WALL DEDICATE KING CO. PARKS : ' .-' _EVEE , PARCEL T4 CITY OF DENT - r TT I _. �. ,..,� APPRO UVE E❑ .., _ BACKWATER CHANNEL 1' " # `, ". , LIMITS AT 1000 CFS i TOP OF HABITAT BENCH, 4H UPRRx ' � TIE CONNECTION ! � ..� ACQUIRE V&S PROPERTIES AND f- TRAIL INTO GREEN + INVESTMENTS PROPERTY .�q �� ,��;i. �- .�, RIVER TRAIL —'" McCoy Levee - Flood Damage Repair US Army Corps of Engineers and King County � • t ir V. } r 4w rr •-. AS REACH 4 MCI—LIEVer. LEVEE z• i f t., r l 1_r % _ ts- s � � S 1- t 6• '{.+ tit' �rR •Jr L { r � r 9 Ab 0 Ab An An fee An N0 1,200 2,400 4,800 LEVEES LINETYPE LEGEND ®FEET — EXISTING 100.YEAR LEVEE 111,111 CFS) A 1 INCH=1,200 FEET —EXISTING600-YEARLEVEE(10,11-1.) S17's, —IMPROVEMENTSNELESSARY FOR FEMAACCREDI—ION SW 43 ST S 188 ST CH1 F R�"� *- • -DESIMON EE 1 BRISCOE T REACH S192S5T_SE192ST `� k �:r`,• y,� i S i196 S n •FEMA ACCREDRATION BRISCOE-DESIMONE LEVEE `- 'Y'` _ ' "•� S } REQUIRED IN TUKWILA REACH3 3 �f , , 'µ• '•^�' �'.', - - rI.F AS DOWNSTREAM TIE-IN 5 200 ST SE 200 ST Ci If . 4 Y }Y' - '" Y ••� 'y o f .I.y'���' � 1M.' - BRISCOE-DESIMONE LEVEE j •;:�• • '�' y �. - ^T--'��, - c REACH4 r rT � . .�� ^�� .. ■ 7 I ..y1F' O�Q� BOEING LEVEE w 52085 208 ST FRAGER ROAD S212 ST 0� ,:� M r'�'" yE , a '' •• y y¢ LEVEE - - y r. _ T4 4► ''.'� A � f'_f Y•-� — �T—���r '"Yr .- � •µ`me "']•• �• �'. �,+�e ;�. 1 LOWER RUSSELL ROAD LEVEE j 6 eeo5�' •t y. S 228 ST I` L•^ ` to VETERANS DR 'DoSFI� ¢ 'y L'I. .R f.• 1 . Ii� A '�,,. a!y�,`.l'G y •` ''a l r•-.r tit' UPPER RUSSELL ROAD LEVEE W G 3 1, �w,f, i,•-a±••."} F -•"'�: - �R (SR5le TO 5231 St WAY) c ¢ TT 2 } _ JAMES ST U S 240 ST SE 240 ST ' FOSTER PARK LEVEE HAWLEY ROAD LEVEE 4 S,PS 1 MILWAUKEE II LEVEE '0 I _ SE ST C ,0 HORSESHOE BEND LEVEE PHASE 11 II WEST REACH 'I ti HORSESHOE SE II BEND LEVEE PHA " EAST REACH 7L>�.11 SIGNATURE POINTE LEVEE 'I 4 KENT AIRPORT LEVEE rw w>x ill _. HORSESHOE BEND LEVEE a 1 S 2T2 Sl SE 274 WAY. S 277 ST .. GREEN RIVER LEVEES IN KENT MapPmf He:O obriIXM1,2018 i l: +� �i.•i:iM1 'trS. .� ..:Via! ,•!� _ �y 1 _ _ ''y ?!�; ��- _ ;] � :►� ' '. . - '.ter-: _ :�.• .�: �` '!�: - a4 .. t ter.. «,. =�1':.. •�� .�.. •` Mood sue• �„ ':. . .. _ ,• _ .- ;:. Y��.. =a._ 41. z ' Levee Erosion Areas 40 ft. M 051 FF r�' "S'. .'4 S•���w. .. .. -•�'r .fit-, ���', 'S- �•; 'v4,o- rg 5�•`��i 4.. y. .f � � F .�`te ,�'� ':� y E _alp �r•. :,; rs ., - � a �$$' •�'�� � r..'.�T•' F%•1. ;(�:�.;'• _ .. '.A -N' : i I River Monitoring All Gages =� g• " ° - �' ��� � City, U S G S Network }� 4 }, � vs �*�q Gage at Auburn f Rating Curve Calibration 4 f t _ • Communication at high flow events USGS Gage at o USGS reevaluation during high flow Auburn Rating Curve o Flood fighting material stockpile M1. �r - .r e Staff gages .. ; * , • Levee cameras r ? 7 ` 16 A ••Y `� � e '.� r�r 1 f j 41 + 1 aJR • Previous 121000 cfs water surface elevation : 67. 0 •1 ..- - --� • Current 12,000 cfs water _ surface elevation : 67 .8 -t A6 - f r /-a - � . -JF - NOA Winter Forecast * ' - f Pacific Ocean Condition11 t ► . , r •h Rev NOAA Climate,,.,. Out ook P . W-4h Ar ;' •' 4 I 'P y y r A.� ; r .; ,, �. ` ..1r r -k..f■• ti, r a ram. � iP4 • r. ti y� •r f y f -, . • i r�y -4 i SJfi. ti El Ni r io winters La Nina winters 42 NOV 2022 20N . . . . . . . . . .� ! '� • Variab;. ION " - ---` ---- - - - - - -- - -- --- -_ _ _. J poiarpet A stmo colder EO wetter + r % Wett 1 b5 •ti _ armer + v 5t4rrrl[raC�S 26S i W120E 1417E IHE 180 1600 .1" 12ow 1DDW BOW —3 —2 —1 —M 0 0.5 1 2 3 • � � - • • • M No a Seasonal Precipitation Outlook Seasonal Temperature Outlook Valid: Dec-Jan-Feb 2022-23 Valid: Dec-Jan-Feb 2022-23 Issued, October 20. 2022 Issued, October 20. 2022 Alyove 7 Below Equal ChancssL-- Equal —CWan Probability(Perco nt C han,011) Equal Above Nwwal Mra MwmW EqWlti uvv N�l I" NonnW Cb2A%M LOW" p 33 40% 33-W4 E=) Levning ChNrKM L091109 LJ 334C•w K;4 PjA. Leaning iL Above 40.6mi. 40.50% Below Abll Reim 564HM C"L"d 50-0% EqLud Kme" Chme" L&UMYI.6D-77M 60-TC% LikBN L" M 60-7U9M Abm* 70-00% u 7D4KftBelow Abom* M aD-WM OD-91ft M M GD-91M M W1W% JU-1 OWN so-lw% 90-1 Dy% Green River Flood Season Preparedness A Regional Approach tt • Continue to work on levee repairs _ - = � 0 Coordinate with USGS, Corps, King County Regional Flood Preparedness meetings • Flood Barriers • Annual trainings on levee patrols and water safety 5� Active river monitoring w FREE -..NG COUNTY FOLLOW US! PHONE,TEXT )D WARNING APP MESSAGE OR EMAIL KING COUNTY OGet real-time ftooding info with our tree app! y'01KCFloodDistrict and Sign up for free automated FLOOD Monitor current river Flows,river stage data, OKCDNRP flood alerts.You can I forecasts.and real-time flood phases. ALERT. 'Z personalize alerts by riper y ""' Sign up at kingcountygovlRood. © WKingCountyONRP and flood phase. kin county. ovlflood or call 206-477-4899 '" �., -�AppSeore ■ci.�kamy � �KingCountypNRP 9 9 c \a- l77 i Endangered - - • Downey Farmstead Restoration Project . • Lower Russell Habitat Area A y `lr Jai& 1�xt�..�I,N.. ' I' i i s�•�l r�P;l y�:d r i, V�.,, � \��.1,'�'};. i•is •--- Downey Farmstead Side Channels Completion of Construction ! Planting this winter WON ■11 ' yy , r � � * _—`_' ��� �•��III ' ��� r tY A } �` ai - W.., 4.r5ii4.�.h:.Y,k,��.. . .:w"h �4 .wf.da:x .. .•±��. .�,�16.. I M JIM �. ,ti y r f s i C a �4 S r _y . r S� ,. r is Y A � - F 1 _ - Z 7' Existing - -_. Green River Update Kent City Council Workshop December 13,, 2022