2017-06-26-minutes-public-works-study-session

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and the issue died a quiet death. The resulting undesirable flooding in the Naneum watershed and clogging of creek tributaries now brings a new issue for consideration: water supply. While the Flood Control Zone District mission does not include ensuring water to water right holders, some could argue maintenance is a stated objective of the District. Any action to remove streambed materials will likely be seen by the community as the District's obligation. If the Board elects to take action removing streambed materials, it should do so recognizing the current dilemma faced by our WDFW partners. While we have the skill and ability to minimally adversely impact stream channels, unpermitted water right holders are expected to have less skill and may be less sensitive to habitat issues. Imbedding our Planner III with maintenance forces could provide a level of confidence to WDFW that the dredging operation will be properly managed. Should the Board elect to proceed with maintenance activities, it would be unwise to do so if WDFW would likely seek future mitigations as a result of our cooperation. The cost of three days of streambed dredging will likely approach $15,000. Adding mitigation costs to this total is not acceptable to the District. Deliberate actions should be made setting expectations of future actions taken by the County at the split. An effort gathering local water right holders is encouraged. Our partners should join District staff setting expectations for future maintenance operations. We should clearly state that we take any action responding to this season's extraordinary flooding event in the upper Naneum watershed.. A consequence of electing to remove streambed debris from the split results in approximately six miles of Vantage Highway that will not get chip sealed this year. Chip seal operations are slated to begin 07-05-2017. Removing resources from maintenance next week ensures insufficient workforce to complete necessary pre -level operations ahead of chip seal at Vantage Highway. FISCAL IMPACTS: Three days of streambed debris removal is estimated to cost approximately $15,000. Associated 2017 maintenance savings resulting from eliminating approximately six miles of chip seal from Vantage Highway. ATTACHMENTS: Exhibit 1: 2016 BOCC Briefing Exhibit 2: Department of Fish and Wildlife redline copy Page 2 of 4 PUBLIC WORKS BOARD OF COUNTY CONLMISSIONERS WORK SESSION STAFF REPORT