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10/5/2020 Item Coversheet <br /> Public Works <br /> DATE: 9/28/2020 <br /> MEMO: 2020-127 <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 /> SUBJECT: Resolution Authorizing Amendment No. 1 to Professional Engineering Services Agreement with Northwater <br /> Consulting Inc.for Lake Decatur Watershed Management Plan City Project 2019-38. <br /> SUMMARY RECOMMENDATION: <br /> It is recommended that the City Council authorize the Mayor to sign,and the City Clerk to attest,to the following resolutions: <br /> 1. Resolution authorizing Amendment No. 1 for Professional Engineering Services Agreement with Northwater <br /> Consulting Inc.for Phase 2 of the Lake Decatur Watershed Management Plan for a cost not to exceed$299,463.22. <br /> 2. Resolution authorizing Proposal with Illinois State Water Survey for Hydrologic, Sediment and Nutrient Monitoring of <br /> the Upper Sangamon River(Lake Decatur)Watershed for a cost not to exceed$30,905.00. <br /> BACKGROUND: <br /> Phase 1 Overview <br /> The Lake Decatur Watershed Management Plan(Plan)is a high priority project of the City Council. Since March of 2020, <br /> Northwater has successfully completed these Phase 1 tasks of the Plan(Details are included in the attached Phase 1 Executive <br /> Briefing)and include: <br /> 1. Stakeholder Engagement&Audit—Formally engaged with stakeholders to initiate the watershed planning process. <br /> 2. Data Mining&Initial Watershed Characterization—Determined a preliminary understanding of the watershed and identified <br /> important data gaps. <br /> 3. Monitoring Strategy&Plan—Designed a monitoring plan to estimate the input of sediment and nitrogen into Lake Decatur. <br /> 4. Monitoring Setup&Commissioning—Most of this will occur during Phase 2 so that the cost can be used as a dollar for <br /> dollar cost share match for watershed improvement grant applications. <br /> 5. Grant Applications—Led the preparation of two significant watershed improvement grant applications. An IEPA Section 319 <br /> Nonpoint Source Pollution Control grant application has been submitted with the potential for lip to$15Q,000 in state funding. A <br /> USDA Regional Conservation Partnership Program grant application will be submitted by November 4 with the potential for ups <br /> $jQ,000,000 in federal funding. <br /> 6. Five Year Strategy—Developed a near term strategy for the City and relevant watershed partners. <br /> The Phase 2 Agreement <br /> With Northwater's high quality work on Phase 1,and their ability to maximize the amount of potential watershed improvement <br /> grant funding,City staff recommends that Northwater be authorized to proceed with the Phase 2 tasks described below. Phase 2 <br /> work flows directly from the findings and activities of the first phase.The updated Phase Two tasks are detailed in the attached <br /> Exhibit A,Phase 2 Scope of Services&Budget,and include: <br /> 1. Nine-Element Watershed Plan and 319 Application for Bluffs Watershed—Complete the entire Watershed Plan and apply for <br /> 2021 IEPA Section 391 Nonpoint Source Pollution Control grant. Nine-Element Plans are highly detailed and mandatory to apply <br /> for state and federal watershed improvement grant funding. <br /> 2. City Property Assessment and Planning—Assist with Oakley dredged sediment storage basin management,assessment of <br /> City controlled properties for water quality improvements,and develop guidelines and by-laws for lake shore properties and <br /> potential transactions of same. The guidelines and by-laws will be completed this fall. <br /> https://decatur.novusagenda.corn/AgendaWeb/CoverSheet.aspx?ltemlD=3009 1/3 <br />