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ATTACHMENT A GRANT WORK PLAN Egret Marsh Regional Stormwater Management Facility COOPERATING ORGANIZATIONS : Indian River Farms Water Control District St. Johns River Water Management District Indian River County Cooperative Extension Service PROJECT LOCATION : An Algal Turf Scrubber® stormwater treatment system is proposed to be constructed in the unincorporated area of Indian River County to treat water flowing in the canal system of the Indian River Farms Water Control District (IRFWCD) . The 35 -acre site, owned by Indian River County, is located in the southwest portion of the county adjacent to the Lateral C canal at the southeast corner of 4t' Street and 74`h Avenue . The project location is latitude 270 36 ' 32" and longitude 80° 28 ' 46". The system will treat water contributed by a 9,000-acre agricultural drainage basin, a part of the approximately 50,000-acre IRFWCD . Currently, the flows from the IRFWCD discharge with little treatment to the Indian River Lagoon near to or in the City of Vero Beach. The Indian River Lagoon is an Estuary of National Significance and a St. Johns River Water Management District ( SJRWMD) SWIM program priority water body. The IRFWCD is located in central and south Indian River County, as shown on the attached project location map. The Hydrologic Unit Code for the Indian River Lagoon is 03080203 . POLLUTION REDUCTION STRATEGY: Indian River County ' s Egret Marsh Regional Stormwater Management Facility is proposed to be located within the watershed of the Indian River Lagoon, an Estuary of National Significance and a Surface Water Improvement and Management (SWIM) Plan priority water body. The Watershed Restoration Action Strategies that this project helps fulfill, as presented in the Indian River Lagoon Comprehensive Conservation and Management Plan (IRLNEP(a), 1996), include : FSD-3 Develop and implement pollution load reduction goals (PLRGs) for all areas of the Indian River Lagoon. FSD -4 Develop and implement new and improved best management practices (BMPs) for management of freshwater discharges or stormwater management. FSD-5 Develop a comprehensive drainage map of the Indian River Lagoon basin. FSD- 11 Educate residents and property owners about the impacts of freshwater and stormwater discharges on the Indian River Lagoon and what they can do to reduce those impacts. FSD - 12 Undertake a review of the plan of reclamation, standard operating procedures and project works of each large drainage system. Develop strategies to reduce discharges to the Indian River Lagoon. FSD- 14 Develop appropriate mechanisms to fund and undertake the operation, maintenance and improvement of stormwater management systems . The 1994 Indian River Lagoon SWIM Plan strategies that this plan helps to fulfill are : IR- 1 - 101 -D Water quality monitoring network/point and nonpoint sources, IR- 1 - 104-D Nutrient loadings ; assessment of point and nonpoint sources, IF-3 - 107-D Stormwater management : nonpoint source identification and control . DEP Agreement No. G0143 , Attachment A, Page 1 of 9