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HomeMy WebLinkAboutPacket Water Work Session Jan 17 2023Whatcom County Council Water Work Session COUNTY COURTHOUSE 311 Grand Avenue, Ste #105 Bellingham, WA 98225-4038 (360) 778-5010 Meeting Agenda Tuesday, January 17, 2023 10:30 AM Civic Center Building Garden Room / Hybrid Meeting HYBRID MEETING - (PARTICIPATE IN -PERSON, SEE REMOTE JOIN INSTRUCTIONS AT www.whatcomcounty.us/joinvirtualcouncil, OR CALL 360.778.5010) COUNCILMEMBERS Barry Buchanan Tyler Byrd Todd Donovan Ben Elenbaas Carol Frazey Kaylee Galloway Kathy Kershner CLERK OF THE COUNCIL Dana Brown -Davis, C.M.C. Council Water Work Session Meeting Agenda January 17, 2023 Call To Order Roll Call Announcements Individuals who require special assistance to participate in the Council's meetings are asked to contact the Council Office at 360.778.5010 at least 96 hours in advance. Water Resources Update Acme Floodplain Project Update Discussion with WRIA 1 Planning Unit December Flood Event Report Other Business Adiournment Whatcom County Page 2 Printed on 41712025 WHATCOM COUNTY PUBLIC WORKS DEPARTMENT ELIZABETH KOSA Interim Director MEMORANDUM ►1_1111111111:41-11111111N=+110111:161=F ? 322 N. Commercial Street, Suite 110 Bellingham, WA 98225 Telephone: (360) 778-6230 FAX: (360) 778-6231 www. whatcomcoun ty. us TO: The Honorable Satpal Singh Sidhu, Whatcom County Executive, and Honorable Members of the Whatcom County Council THROUGH: Elizabeth Kosa, Interim Director FROM: Gary S. Stoyka, Natural Resources Program Manager DATE: January 11, 2023 RE: January 17, 2023 Council Water Work Session Please refer to the proposed agenda below for the next Water Work Session. Additional supporting documents may be distributed at or before the meeting. AGENDA Date: Tuesday, January 17, 2023 Time: 10:30 a.m. to 12:00 p.m. Place: Hybrid Meeting: In Person: Civic Center Garden Level Conference Room (322 N Commercial St, Street Level) Virtual: For instructions on how to watch or participate in this meeting, please visit us at www.whatcomcounty.us/ioinvirtualcouncil or contact the Council Office at 360.778.5010. View meeting schedules, agendas, minutes, videos, and archives at www.whatcom.legistar.com. Time Topic Council Action Background Information Requested Attached 10:30 AM — Water Resources Update Informational None 10:45 AM 10:45 AM — Acme Floodplain Project Update Informational None 11:15 AM 11:15 AM — Discussion with WRIA 1 Planning Unit Discussion None 11:30 AM 11:30 AM — December Flood Event Report Informational None 12:00 PM If you have questions, please feel free to call me at (360) 778-6218. cc: Dana Brown -Davis Kristi Felbinger Jill Nixon Jennifer Schneider Karen Frakes Erika Douglas John Thompson Paula Harris Barb Thompson Kraig Olason Cathy Craver Jim Karcher Doug Ranney Melissa Donnelly Bennett Knox Roland Middleton Mark Personius Josh Fleischmann Tyler Schroeder Sue Sullivan Brandy Reed Chris Elder Erin Page ACme imipoapiain-acquisitiom-- a -ter/Wor .,.,5ession ........ ....... -1 wl I K�L so TO 44, Wi, Oil Ii. 'N lk Acme Floodplain • Project Overview • Status update • Next steps Acme Floodplain — Project Overview • Approximately 143 acres • Almost 130 of which are floodplain • 2 homes located in floodway will be removed • Facilitate the removal of ^'2,300 feet of rip rap and floodplain reconnection • Support implementation of Fishcamp Project • Reduce flood pressure on the town of Acme Fmmnom rlprap upsumm of SR9 cro56ingand low-Cr bankdownslream %&M". - M, .. -A Ug rau#ened riprap ; a M-d Sevtral small Engirk"red Log Jams (EMS) on the laf! bank and one Iargt ELJ with a -diti-onal ELJs t< r Lng MughtWd siprE�ip wza' Fbamme culvert and fIII aM add side chanmi- L p a Remo IIII Below 6NSF. Wiith in & Ming 150 flex treSllc. eleration laweroe a bout 5 it IA u uniform el@Wation of 284 k. 1 Wieln a}fin remoree:$0}L .. ..fir. . s mm�ml Set bank back 10 ft to remove the r uck revetment that exLenes Into ' ' the water. � Lx nglh: 2.300 ft width: 10 ft bank elevatlon: 275 It 9 lower IeYee to elevatlon of 6urrGlrnel ng to rra In Wleth: about 60It •- iin el"allan: aba ut 3 to 5 ft .� �eCarease Acme Floodplain —Status updates • Appraisal complete - $1.5 million land value for Acme Floodplain • Boundary Line adjustment almost complete to separate upland from floodplain • Fishcamp project selected for Puget Sound Acquisition and Restoration (PSAR) funding (subject to legislative approval) • South Fork Nooksack Integrated Floodplain Reconnection project just below PSAR funding line Ole, g'11• �4: *�'ly�ti h�A1 i �F ii y { i n WWI - Nk ,.�,s �.` ,+'� .r, ,� t ark �§ � i e < .M 6`�•4 .. b vr. Christmas Eve Ice Jam Flood and Marine Drive Levee Damages Whatcom County Public Works Department River & Flood Division January 2023 I iIll ATV2N d ��111 il, bl IIIN III sizi,mai-, Ferndale Gage Graph Christmas Eve O OKSACK RfVER A T FERNDA Unlvarsall Tlma (UTC) 10Z 10Z 10Z 10Z 10Z 10Z 10Z 10Z 10Z Dec 22 Dec 23 Dec 24 Dec 25 Dec 26 Dec 27 Dec 28 Dec 29 Dec 30 23 48.9 22 Latr:n t ob:m ery ed v olue: 16.55 ft at 2:1 5 Ara 41.4 PST 2S-Dec-2022. Flood Stage Is 18 ftZ0 � 24.5 18 Minor, 1R-O' 17.71 f j18.04 ft 2-2. 3 16 - 17.6 :PI14 � 1.3 M 12 11.1 � 10 J � 6 - I a 6 I 3.2 4 1.3 tam tam tam tam tam tam Zam tam tam Thu Fri Sat • Sun Flan = Tua Wed Thu Fri Dec 22 Dec 23 Dec 24 Dec 25 Dec 26 Dec 27 rDec 28 Dec 25 Dec 30 Site Time (PST) ---- Graph Created [2:35AM Dec 25. 2022) + Observed t ForecastIissued Vk: 16PM Dec 24) NK SW1 (p I otti n g HGIRG) "Gage 0" Datum: 8.34' 1 Observations courtesy of US Geological Survey Ferndale Gage Readings Christmas Eve 12124 23:15 16.05ft 17.9kcfs 12124 23:00 15•68ft 17.2kcfs 12124 22:45 16kcfs 15.02ft 12124 22:30 15.22ft% 16.4kcfs 12/24 22:15 / S 18.1kcfs 12/24 22:00 16.18ft {p 17.11ft` 20.2kcfs 12/24 21:45 p 17.71ft 21.6kcfs m 12/24 21:30 ; 12/24 21:15 17.33ft 20.7kcfs 12/24 2 1 : 0 0 16.68ft 19.2kcfs 12/24 2 0 : 4 5 1 15.93ft 17.6kcfs 12/24 2 0 : 3 0 14.91ft 15.8kcfs 12/24 20:15 14.30ft 14.8kcfs 12124 20:00 13.51ft 13.5kcf: 12/24 19:45 12.37ft` 11.7kcf; 12/24 19.30 11.62ft 10.5kcf 12/24 19:15 �• 11.47ft S. 10.3kcf 12/24 19:00 11.18ft 9.9kcfE 12/24 18:45 11.28ft 10kcf s 12/24 18:30 11.45ft 10.3kc: 12/24 18:15 11.49ft 10.4kc 12/24 18:00 11.53ft 10.4kc 12/24 17:45 11.23ft 9.9'kc 1 12/24 17.30 9.05ft 6.96kc 12/24 17:15 8.85ft 6.69kc Ice Jam Below Slater Road • Ice jam below Slater road started backing up the river about 5:30 PM 12/24, by 9:30 PM the Ferndale gauge had risen 8.66 ft. At about 10:00 PM the County sign crew reported to Travis that the river had stopped flowing at Marine Drive. At about the same time water was flowing over the Rayhorst Levee (100- year LOP) and water was beginning to flow into Marietta (about 1-1:30 AM 12/25. • King tide at 8:00 AM • River Crest in Ferndale about 10:00 AM at 18-Ft Photo looking upriver from the Marine Drive Bridge about 1:00 AM Christmas Morning View of the Marine Drive Levee Breach (Photo provided by the Lummi Natural Resources 12/28/2022) N 1 7 •: � -;:� a� z Si � �, K JAI � F� �f may, \ t ■ 'r•�r-!y - +.�r�.".,� ,:� ems= _ . ,z — Im �; gow s I„ .�MYWNWRI PA �'� aY6 N �a a Additional levee damage below the breach (This is one of many areas) jo WX j r+. Wil J -46 R -TZ - y - - Cal►` FJL I a p T .4m - - - OVA 45-: 12/29/2022 Progress 1/2/2023 :■WEVE.Mbart:frlI MR, ONS ip ; T err l�t 1- f ♦ UUS _ - RAL-AV HORN LN imwiL _. W s L ^RV �`. T