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11/W22,3:43 PM Item Goversheet <br /> Public Works <br /> DATE: 10/10/2022 <br /> MEMO: 2022-57 <br /> TO: Mayor Julie Moore Wolfe and City Council <br /> FROM: Scot Wrighton,City Manager <br /> Matt Newell,P.E.,Public Works Director <br /> Keith Alexander,Water Production Manager <br /> Jennifer Gunter,Watershed and Lake Manager <br /> SUBJECT: <br /> Resolution Authorizing Amendment No.3 for Professional Engineering Services Agreement with Northwater Consulting <br /> for Lake Decatur Watershed Management Plan,City Project 2019-38. <br /> SUMMARY RECOMMENDATION: <br /> It is recommended that the City Council approve the attached Resolution authorizing the Mayor to sign,and the City Clerk to <br /> attest,to Amendment No.3 for Professional Engineering Services Agreement with Northwater Consulting for Phase 4 of the Lake <br /> Decatur Watershed Management Plan for a cost not to exceed$880,585.76. <br /> BACKGROUND: <br /> WHAT IS THE WATERSHED MANAGEMENT PLAN AND LONG TERM STRATEGY? <br /> The Watershed Management Plan was presented to the City Council on May 10,2021. In a nutshell,the Plan provides financial <br /> incentives and technical assistance to watershed landowners and farmers to manage their properties to significantly reduce the <br /> amount of sediment and nutrients entering Lake Decatur, This is currently being accomplished by: <br /> • Subwatershed planning,which identifies sediment/nutrient reduction strategies or Best Management Practices that can be <br /> implemented within the area. <br /> • Entering into land use agreements with watershed landowners to install Best Management Practices(BMPs)to improve <br /> water quality. <br /> • Promoting and financially incentivizing water quality improvement farming practices <br /> • Managing over$10 million in federal and state funded RCPP and 319 grants. <br /> • Installing and managing a water quality monitoring network for the lake, <br /> WHAT HAVE BEEN THE RESULTS OF THE NORTHWATER AGREEMENT? <br /> 1.The Lake Decatur Watershed Management Plan&Initiative Long-Term Strategy was completed and presented to the City <br /> Council in May 2021, This strategy,which is currently being implemented,is designed to significantly reduce the amount of <br /> sediment and nutrients entering Lake Decatur. <br /> 2.Northwater spearheaded efforts which enabled the City to obtain over$10 million in federal and state grants. It is anticipated <br /> that the City will soon receive an additional$250,000 in state grants to construct watershed improvements. <br /> 3.Northwater obtained over$15 million in cash and in-kind services from over 50 private and public partners for the City's <br /> USDA RCPP federal grant recently awarded to the City. <br /> 4.Detailed subwatershed plans have been completed and others are ongoing which identify high priority locations to install <br /> sedimentation/nutrient reduction improvements. They also allow the City to continue successfully competing for future <br /> federal and state grant funds. <br /> 5.A comprehensive water quality monitoring network has been established at several watershed locations including Lake <br /> Decatur to estimate the inflow of sediment and nitrate nitrogen into Lake Decatur and the effectiveness of the watershed <br /> management plan. A real time monitoring website and data management system have also been established. <br /> 6,Northwater assisted with the City's Oakley sediment storage basin management,assessment of City controlled properties for <br /> water quality improvements,and developed draft guidelines and by-laws for lakeshore properties. <br /> httpe:P/docatur.novusagende.com/AgandoWeb/CoverShest.sapx?ltemlDm4O6O 113 <br />