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TECHNICAL MEMORANDUM JOnP.SEdmUndS� <br />No. 1 <br />Blue Cypress Lake -.Water Quality. Study <br />,�,lani'� c� k� �renmental,-Inc.�i/` <br />TO: Vincent Burke, PE, Utilities Director, Indian River County <br />FROM: Brett Cunningham, PE, Jones Edmunds <br />Anthony Janicki, PhD, Janicki Environmental <br />XC: Bill Lynch, PE, Jones Edmunds <br />Jon Perry, Janicki Environmental <br />DATE: September 19, 2018 <br />SUBJECT: Task 1 - Data Collection and Task 3 - Trend Analysis <br />Jones Edmunds Project No. 08620-002-01 <br />1 INTRODUCTION <br />This Technical Memorandum is part of a Water Quality Study for Blue Cypress Lake (BCL). <br />When complete, the Study will determine whether anthropogenic influences are a significant <br />causative factor in water quality. More specifically, whether the application of biosolids in <br />the tributary watershed discharging to BCL is affecting water quality will be determined. <br />2 OBJECTIVES <br />The project objective is to gather, validate, and assess the water quality data associated <br />with BCL and its watershed, including the permitted use of land application .of biosolids. This <br />Technical Memorandum reports on the results regarding the water quality data collection <br />completed as part of the Task 1 and Task 3 examination of temporal trends in the water <br />quality data of the BCL Water Quality Study. Information related to land application of <br />biosolids within the BCL watershed will be presented in Technical Memorandum No.2 <br />following collection and review of information. <br />3 DATA SOURCES <br />To address the changes occurring in BCL, available data were extracted from the Florida <br />Department of Environmental Protection (FDEP) Impaired Waters Rule (IWR) Run 55 <br />dataset for the Waterbody Identification (WBID) containing BCL and the surrounding <br />WBIDs. A WBID is the spatial unit used by FDEP for assessing a waterbody's ability to meet <br />its designated use.. <br />08620-002-01 1 <br />September 2018 Task 1 — Data Collection and Task 3 — Trend Analysis <br />