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Qrw of INDIAN RIVER COUNTY, FLORIDA low MEMORANDUM TO: Jason E. Brown, County Administrator THROUGH: Richard B. Szpyrka P.E., Public Works Director FROM: W. Keith McCully, P.E., Stormwater Engineer SUBJECT: Approval of SJRWMD Cost -Share Grant #36528 for Moorhen Marsh Low Energy Aquatic Plant System DATE: February 19, 2021 DESCRIPTION AND CONDITIONS St Johns River Water Management District (SJRWMD) recently awarded Indian River County a $1,250,000 Cost -Share Grant for the proposed Moorhen Marsh Low Energy Aquatic Plant System, which is nearing design completion. The facility will remove nitrogen and phosphorus from waters of the Indian River Farms Water Control District's North Relief Canal prior to discharge into the Indian River Lagoon. Based on a one- year pilot plant study, staff estimates that approximately 4,854 pounds of nitrogen and 785 pounds of phosphorus may be removed from the canal water annually. SJRWMD staff prepared the attached Cost - Share Agreement (Contract #36528) and forwarded it to the County for review and execution. Staff has reviewed the Agreement and has no recommended revisions. FUNDING The predesign estimated project cost is approximately $7,960,000. The SJRWMD Cost -Share Grantwill fund up to $1,250,000 of the project cost, which equals approximately 15.7% of the estimated project cost. Currently, the 20/21 approved Capital Improvement Element has $2,950,000 budgeted in 20/21 and $3,400,000 budgeted in 21/22 in Optional Sales Tax/Public Works/Construction in Progress/PC North — Account #31524338-066510-16018. The project has a $650,000 legislative grant (Agreement Number LPA0018). RECOMMENDATION Staff recommends that the County Commission approve the attached Cost -Share Agreement and authorize the Chairman to execute it on behalf of the County. ATTACHMENTS Cost -Share Agreement with SJRWMD (Contract #36528) IRC Grant Form APPROVED AGENDA ITEM FOR MARCH 2.2021 92