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01.25.21 WRAB MinutesWRAB Minutes 01/25/2021 Page No. 1 CITY OF BOULDER, COLORADO BOARDS AND COMMISSIONS MEETING MINUTES Name of Board / Commission: Water Resources Advisory Board Date of Meeting: 25 January 2021 Contact Information for Person Preparing Minutes: Karen Sheridan, 303-441-3208 Board Members Present: Kirk Vincent, Ted Rose, Trisha Oeth, Gordon McCurry, John Berggren Board Members Absent: Staff Present: Joe Taddeucci, Director of Utilities Joanna Bloom, Utilities Business Relations Manager Chris Douville, Wastewater Treatment Manager Kim Hutton, Water Resources Manager Josh Meck, Utilities Maintenance Manager Jon Stoddard, Water Treatment Manager Douglas Sullivan, Principal Engineer Bronwyn Weygandt, Billing Services Supervisor Meghan Wilson, Water Quality Manager Kate Dunlap, Source Water Quality Project Manager Alisha Powell, Stormwater Compliance Coordinator Brandon Coleman, Utilities Engineering Project Manager Melissa Mimna, Laboratory and Industrial Pretreatment Program Supervisor Chris Olson, Civil Engineer II Katie Knapp, Engineering Project Manager – Flood Management/Greenways Candice Owen, Program Supervisor – Stormwater Quality Karen Sheridan, Board Secretary Agenda Item 1 – Call to Order [6:01 p.m.] Agenda Item 2 – Approval of 16 November 2020 Meeting Minutes [6:05 p.m.] Approval of November minutes as presented. No meeting was held in December. Motion to approve by: Vincent Seconded by: Rose Vote: 5:0 Agenda Item 3 – Public Participation and Comment [6:06 p.m.] Public Comment: Steve Pomerance: I live right next to King’s Gulch, which is a tributary of Skunk Creek. It runs through my property, actually, and so I’m intimately familiar with the problems that occurred in 2013 there. So, a couple of things that I would just like to mention to you. First, the flood map is missing the flooding that occurred on the east side of 17th Street. At least two houses, probably more, got flooded because, and this is point number two, the 17th Street and King Avenue intersection is higher than 17th Street. So all the water that ran out of the ditch didn't go down the drain, ran between the houses to the west, basically created a lake in 17th Street and flooded the houses on the east side, which goes to the adequacy of the plan on 15th Street to divert any runoff back into the channel. That's a critical point on this whole thing. If that doesn't happen properly, all the rest of it is kind of irrelevant, and to do that properly is going to probably require tearing up the guy’s yard that's on the west side of 15th Street because that's where that pipe goes. So, in addition to regrading the intersection here so it doesn't form a lake, whatever improvements get made, based on my experience in this last one, it's entirely possible that there will be a failure and water will run out into the streets. So, however the work gets done going down King Avenue to install a new pipe, I would be super careful to make sure that if things don't work out as planned, the water actually runs down the street, not through people's yards and into their houses. And my final comment goes to the size of the pipes. I don't know what level the flood was. Was it 100- year flood? I've heard, or somewhere I read that somebody asserted it was a 10-year flood, which is nonsense, because I've lived here for 50 years in this neighborhood and we've never had a flood before. In any case, my point is put in the biggest pipes you can. Once you go through all of the brain damage of digging up the streets and digging the trenches and it's tearing up people's yards, you might as well put in the biggest pipe possible so that we don't have the problems we had in 2013. That's pretty much it. Any time you guys want feedback on the details of what happened in King Gulch, I'm happy to provide WRAB Minutes 01/25/2021 Page No. 2 that because I looked at everything while it was flooding, and a lot of it was happening, like I said, in my yard, so I could give you some good feedback. Anyway, there you go, thanks for the time. Christopher Oliviero: Okay, thanks. I appreciate the time and I'll be brief. I live more or less across the street from Steve, on 17th Street, so I 'm at 340 17th Street. My name is Chris Oliviero. I actually purchased the house after the flood, but I know from when we were buying it that this house was probably one of the most heavily impacted on 17th by the waters. It was kind of a low point that the water ran down and through. So, to Steve's point about making sure that the east side of 17th Street is recognized as having significant flood damage, you know the basement in this house was essentially full. And my concern is kind of echoing Steve's; water today goes down Bluebell and then diverts at 17th Street along 17th to the corner of King. And it would seem like if we're going to divert water from neighborhoods that are above 17th, that there is an obligation to make sure that there's adequate carryout and takeaway at that corner, otherwise you're really subjecting this neighborhood to an unfair burden. So, I just wanted to go on record with that. I appreciate your time and your consideration. Thank you. Agenda Item 4 – 2020 Year in Review [6:13 p.m.] Alisha Powell, Stormwater Compliance Coordinator, presented this item. EXECUTIVE SUMMARY This memo is intended to provide WRAB with a broad overview of Utilities’ accomplishments and challenges in 2020, including highlights of major infrastructure and policy initiatives. It also outlines operational adjustments in 2020 due to COVID-19, and significant work efforts anticipated for 2021. While WRAB is primarily responsible for making recommendations regarding the capital improvement program and significant policy issues, information about day-to-day operations, maintenance, construction, and administration may provide relevant context to inform those decisions. WRAB Board Discussion Included: • Question whether level of valve replacement referenced is typical. • Clarifying Question about number of stormwater drainage areas cleaned weekly. • Question how COVID data from wastewater is being shared and what the next steps are for the project. • Question if the Drought Plan update remains a priority for 2021. • Comment about exploring potential of COVID data tracking for early detection of new variants. • Question if year-in-review report documents are available to public. • Question what equity lenses/criteria are used in plan updates. • Question about public feedback regarding rate changes. Agenda Item 5 – Flood Mitigation Plan Update [6:59 p.m.] Brandon Coleman, Utilities Engineering Project Manager, presented this item. EXECUTIVE SUMMARY The city’s Stormwater and Flood Management Utility uses a life-cycle approach to addressing flood risks throughout the community that includes mapping, mitigation planning, and design/construction phases. The city, in partnership with Mile High Flood District and the community, has developed draft flood mitigation plans related to the second life-cycle phase for two major interconnected drainageways; the Upper Goose Creek and Twomile Canyon Creek (UGT) located in North Boulder and the Skunk Creek, Bluebell Canyon Creek and King’s Gulch (SBK) drainageways in west-central Boulder. Community input in 2017 and 2018 informed development and selection of the current draft mitigation recommendations for both UGT and SBK. Application of selection criteria; including, mitigation goals, community values and budget feasibility, have resulted in draft recommendations that will be presented to the community beginning in early 2021. Community engagement on UGT and SBK will be in two phases, with UGT engagement and WRAB action anticipated in Q2 or Q3 of 2021. SBK engagement will follow the UGT process with an anticipated request for a WRAB recommendation on SBK in 2022. Request for council approval of both flood mitigation plans is anticipated in 2022. The purpose of this item is to provide a review of previous engagement efforts and development of flood mitigation WRAB Minutes 01/25/2021 Page No. 3 recommendations and provide WRAB members with an opportunity to ask questions or request additional information. WRAB Board Discussion Included: • Question about design plan for transitioning from an open to a closed structure. • Suggestion that the 100-year extent be made more visible on presentation slide. • Question about possibility of overlaying the 2013 view in the materials. • Request for explanation of cost-benefit ratio. • Question about impact of less than 100-year protection upstream (reach 2) with 100-year protection downstream (reach 3). • Question about efficacy of system with many transitions from open channel to pipes creating opportunities for blockages. • Question regarding overflow potential at Linden Avenue and cost of 100-year protection upstream with less than 100-year protection downstream. • Question about detention facility within North Boulder Park. • Question about timeline for submitting LOMRs. • Question if a faster timeline for community engagement is feasible. • Comment about communicating implications/potential benefits of a LOMR to homeowners. • Comment about posting public engagement information at locations of potential impact. Agenda Item 6 – Matters from Board [8:01 p.m.] • Board Member Vincent: Spatial extent of wildfires north of Boulder Creek were extensive in 2020. Concern about water being fouled by ash and sediment in the spring, regionally. Will continue discussing with South Platte Basin Roundtable and remain focused on the issue. This type of sediment yield will end up being somewhat like a drought in that the water will be unfit to use. Suggests that this is noted in the Drought Plan as “when treatable water is not available.” • Board Member McCurry: Encourages staff to touch base with Denver Water. • Board Member Rose: Recently attended the first meeting of the Comprehensive Flood and Stormwater Master Plan Community Working Group. Great kick-off session and use of technology to get people engaged. Meeting again next month. Agenda Item 7 – Matters from Staff [8:06 p.m.] • Response to wildfire discussion under Matters from Board: - Staff talking to other stakeholders and can report back on discussions with Denver Water. - Northern Water very focused on this issue with the significant impacts to Fort Collins. - Northern Water system facilitates water sharing through leasing programs. - Future updates coming on wildfire planning and emergency supply plans. It is considered as part of the Drought Plan. - Emergency response planning is perpetual in Utilities. • Annual Letter to Council: - Compliments to Board Chair Vincent for his presentation of letter to Council. - Presence of so many board representatives at meeting a reminder of the large number of boards and forums for engagement and process in the city. • CU/South Boulder Creek Project Update: - Focus on upstream analysis. - January 5 Council meeting postponed to February 2. - Acknowledgement of board members Vincent and McCurry’s participation in advisory group. - Open Space Board unanimously agreed not to further pursue the upstream concept but still expressed some concerns about variant 1-100 environmental impacts. • Water Now Alliance: - Former Mayor, Matt Applebaum, is a member. He met with staff at annual summit and encouraged staff and board member representation in the organization. - New membership applications currently being accepted, and annual summit being held in April as a virtual event. • Encampment Cleanups: - New position in Utilities (Public Space Reclamation Supervisor). WRAB Minutes 01/25/2021 Page No. 4 - Flood, drainageways, and some stormwater facilities are greatly impacted by encampments. - Each department responsible for its own cleanup costs. - Divided perspectives of Council and community on how to manage. • Statewide Water Conditions/Drought: - Status of water supply usually deferred until April (historically, largest snowfalls in March and April); however, close attention is being paid because of other factors being tracked. - State has declared a drought stage. - Boulder storage levels slightly lower than average in part because of Barker Dam maintenance. - Drought Plan modifications being considered. - Board member commented about notifying customers in the water bill as well as conveying 2020 accomplishments. Agenda Item 8 – Discussion of Future Schedule [8:22 p.m.] • February: No meeting • March: Water Meter Replacement Program (Information); Drought Plan Update (Information); CU/SBC Update (Matters) • April: Swearing in of New Board Member/Election of Board Officers; Water Supply Update (Information); Northern Water Update (Information); Capital Improvement Program (Information) Agenda Item 9 – Adjournment [8:24 p.m.] Motion to adjourn by: Rose Seconded by: McCurry Motion Passes 5:0 Date, Time, and Location of Next Meeting: The next WRAB meeting will be held online on Monday, March 15, 2021 at 6:00 p.m. APPROVED BY: ATTESTED BY: Board Chair: _________________________ Board Secretary: ____________________________ Date: _______________________________ Date:______________________________________ An audio recording of the full meeting for which these minutes are a summary is available on the Water Resources Advisory Board web page. https://bouldercolorado.gov/boards-commissions/water-resources-advisory-board-next-meeting-agenda-and-packet 03.17.2021 Per attached email 03.17.2021 From:Kirk Vincent To:Sheridan, Karen Cc:Kirk Vincent Subject:WRAB chair approval of January 25 2021 meeting minutes Date:Tuesday, March 16, 2021 5:51:08 PM External Sender Karen: I am writing to state that I (as Chair) approve the minutes of WRAB’s January 25, 2021 meeting, that the board voted 5/0 to adopt during the March 15, 2021, meeting. For the historical record, WRAB did not hold a meeting in February, 2021. Regards, Kirk Vincent, PhD City of Boulder Water Resources Advisory Board (WRAB) Chair