FY 2016 MARTIN COUNTY CAPITAL IMPROVEMENT PLAN (CIP) ECOSYSTEM RESTORATION & MANAGEMENT DIVISION EXPENDITURE SUMMARY

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1 Project C or N Priority Total To Date Unfunded FY2016 FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 FY2024 FY2025 All American Ditch Stormwater Retrofit N 8 3,335, , ,032, , Implementation of TMDL / BMAP Compliance 8,615, ,375, , , , ,000 2,220,000 1,445, ,000 2,400,000 Projects N 8 Environmentally Sensitive Lands Management N 2 3,060, ,000, , , , , , , , , , ,000 Cypress Creek Weir& Groves Stormwater Treatment 4,545, ,988, , ,000 1,500, , ,500,000 Area N 10 Delaplane Restoration and Public Access N 8 451,724 64, , , , , Willoughby Creek Water Quality Improvement Project N 8 1,850, ,000 1,550, , Clifton S. Perry Beach Public Access N 8 9,354,415 8,884, , Ranch Colony Berm Phase II N 1 500, , , Manatee Creek Technology Assessment N , , River Cove Site Development and Restoration Project N 8 FY 2016 MARTIN COUNTY CAPITAL IMPROVEMENT PLAN (CIP) ECOSYSTEM RESTORATION & MANAGEMENT DIVISION EXPENDITURE SUMMARY 103,235 7, ,000 41, East Fork Creek Water Quality Improvement Project N 8 2,350, , , ,000, , Expenditure Totals 34,364,774 9,158,970 9,543,000 4,634,014 2,061, , , ,000 3,550,000 4,720,000 2,170,000 1,250,000 5,300,000 ECOSYSTEMS RESTORATION & MANAGEMENT DIVISION REVENUE SUMMARY Revenue Total To Date Carryover FY2016 FY2017 FY2018 FY2019 FY2020 FY2021 FY2022 FY2023 FY2024 FY2025 Ad Valorem 12,000, ,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 District MSTU 190,000 19, , Donation 122, , Gas Tax 60, , , , Grant 12,083,782 4,550,047 1,411,735 1,040,000 2,732, ,000, , ,250,000 Impact Fee 67,224 30,480 36, Road MSTU 14,500 14, Sales Tax 4,995,868 4,443, , Stormwater MSTU 5,288, ,500 1,348, , , , , , , , , , ,000 Revenue Total 34,821,774 9,158,970 3,642,804 2,540,000 4,212,000 1,480,000 1,500,000 1,480,000 2,118,000 2,900,000 1,580,000 1,480,000 2,730,000 Unfunded: 9,543,000

2 Ecosystems / All American Ditch Stormwater Retrofit 8 (County is obligated to complete) 1244 Palm City 5 Revision 12/16/15 The All American Ditch Retrofit project is located in Palm City and will serve an approximately acre watershed. The project proposes to install a water quality weir, fill and re-grade a portion of All American Ditch to divert stormwater to a proposed pipe system that will convey the flows south to a Lake and Stormwater Treatment Area (STA), located on a 36-acre parcel, currently owned by the SFWMD. The lake will provide residence time, reduce velocities and allow sediments to settle out of the water column. The STA will be planted with both emergent and submergent plants for filtration and nutrient uptake. The SFWMD ranks the All American Ditch as the highest pollutant of the St. Lucie River for Total Nitrogen (TN) and Total Phosphorus (TP). The primary objective of this project is to treat runoff and reduce the nutrient loads of TP by an estimated 32.2%, TN by 37.7%, Total Suspended Solids by 59% to the South St Lucie Estuary, and assisting the County in meeting the Total Maximum Daily Load (TMDL). A Section 319 (h) grant in the amount of $1,125,000 has been successful obtained and executed in FY15, additionally a St Lucie River Issues Team Grant in the amount of $375,000 has been successful obtained and executed. A FDEP / TMDL grant has been applied for and if sucessful, funding is expected in FY16, 1st Quarter. Typically, annual maintenance costs for a Stormwater Treatment Area are approximately $ $1200 / year/acre. Project identified in County Stormwater Needs Assessment to meet the St Lucie Watershed Basin Management Action With an estimated 25-acre Lake / STA system costs would be between $25,000 to $30,000 per year. Plan (BMAP) requirements. Design 210, ,000 7,500 Construction 3,024,900 3,024,900 Monitoring 100, ,000 Expenditure Total 3,335, , ,032, , Grant 2,170, ,500 1,398, ,000 Stormwater MSTU 1,165, ,500 1,063,900 0 Revenue Total 3,335, ,000 2,462, ,

3 Ecosystem/ Implementation of TMDL / BMAP Compliance Projects 8 (County is obligated to complete) 1246 Countywide Countywide The Martin County Engineering Department has completed a county-wide Stormwater and Water Quality Needs Assessment intended to identify projects that, through their completion, will assist the County in meeting its obligations for water quality improvement mandated Total Maximum Daily Load (TMDL) in the St. Lucie Basin Management Action Plan (BMAP). The TMDL is a state and federal unfunded mandate to meet specific water quality goals. The BMAP is the implementation document which sets out a strategy for meeting those goals. The BMAP is a Florida Department of Environmental Protection enforceable document adopted on June 11, 2013 with a 15-year target to meet the water quality goals. Martin County will be required to meet specific reductions every 5 years within the 15-year timeframe. The list of projects attached and reflected in the budget below includes water quality retrofits, flood and drainage improvements, and septic-to-sewer conversions. THESE PROJECTS SHOULD BE STARTED IN FY16 TO MEET THE INCREMENTAL REQUIREMENTS ESTABLISHED IN THE BMAP. Notes: FY16 funds are allocated to East Fork Creek ($80,000) and Willoughby Creek ($200,000) FY17 funds are allocated to East Fork Creek ($280,000) There is a significant impact to the County's operating budget from the construction of these projects. On-going maintenance costs associated with maintaining stormwater or sewer infrastructure and mowing are expected Projects identified in County Stormwater Needs Assessment to meet the St Lucie Watershed Basin Management to come out of future operating budgets, and for the projects included in this CIP sheet, are anticipated at approximately $315,000 / year (approximately 2% of construction costs). These costs will be refined as project design is completed. Design 950, , , , , ,000 Land 3,400, ,000 1,000,000 1,500,000 Construction 4,015, ,000 1,220,000 1,220, , ,000 Monitoring 250, , ,000 Expenditure Total 8,615, , , , ,000 2,220,000 1,445, ,000 2,400,000 Ad Valorem 10,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 Stormwater MSTU 2,240, , , , , , , , ,000 Revenue Total 12,240, ,000,000 1,000,000 1,280,000 1,280,000 1,280,000 1,280,000 1,280,000 1,280,000 1,280,000 1,280,000 Unfunded:

4 Project FY16 FY17 FY18 FY19 FY20 FY21 FY22 FY23 FY24 FY25 Gaines Avenue 125,000 Hogg Creek 175, ,000 1,220, ,000 Manatee Pocket Southwest Prong STA 175,000 1,000,000 1,220, ,000 North River Shores Baffle Boxes 100, ,000 Leilani Heights 50, ,000 Warner Creek Phase IV 200,000 1,500,000 Horseshoe Point Road Exfiltration 125, ,000 Totals , , , ,000 2,220,000 1,445, ,000 2,400,000 Design 0 225, , , , ,000 Land 900,000 1,000,000 1,500,000 Construction 400,000 1,220,000 1,220, , ,000 WQ Monitoring 125, , , , , ,000 2,220,000 1,445, ,000 2,400,000 Grant Stormwater MSTU 0 280, , , , , , , ,000

5 Ecosystem / Environmentally Sensitive Lands Management 2, 4 (Facilities repair and reduction of operating costs) 2155 Countywide Countywide Martin County manages approximately 35,000 acres of environmentally sensitive lands. Activities include natural resource management, exotic species control, site control, and development of appropriate public access. The Conservation and Open Space Element of the Martin County Comprehensive Growth Management Plan sets goals to "effectively manage, conserve and preserve the natural resources of Martin County," and "to pursue an aggressive program to identify, preserve, and provide appropriate public access to areas of natural beauty and scenic importance." The activities related to this item support those elements. It is significant that there are approximately $2.7 million of site development requirements on properties acquired under the Florida Communities Trust (FCT) program which have been deferred for a number of years and are currently unfunded. On-going maintenance costs for the upkeep of facilities are expected to come out of future operating budgets, although we will pursue grant funding to the extent possible, and develop volunteer agreements for those groups willing to assist in activities like trail maintenance. The anticipated recurring maintenance costs for facilities (repair / maintenance of signs, gates, fencing, pavillions, trails, etc.) is $15,000 / year. Additionally, $200,000 / year is required for exotic vegetation maintenance-level treatment sweeps, half of which is currently funded by grants, which we will continue to pursue, but are not guaranteed in the future. Protection and enhancement of County conservation lands and public access facilities. Removal of exotics reduces Construction 1,000,000 Ongoing 100, , , , , , , , , ,000 Lands Management 2,060, , , , , , , , , , ,000 Expenditure Total 3,060, , , , , , , , , , ,000 Ad Valorem 2,000,000 Ongoing 200, , , , , , , , , ,000 Gas Tax 60,000 20,000 20,000 20,000 Revenue Total 2,060, , , , , , , , , , ,000 Unfunded: ($1,000,000)

6 This image cannot currently be displayed. MARTIN COUNTY FY 2016 CAPITAL IMPROVEMENT PLAN (CIP) Ecosystem / Cypress Creek Weir& Groves Stormwater Treatment Area 10 (unique criteria) 9057 South County 1 (Feasibility) 3 Martin County and the South Florida Water Management District cooperatively purchased the Cypress Creek property in an effort to restore the Northwest Fork of the Loxahatchee River. The Cypress Creek watershed includes natural areas, residential developments and golf courses. Historically, the lands drained eastward via sheetflow into Cypress Creek and then into the Northwest Fork of the Loxahatchee. Runoff leaving these areas is now routed through the Cypress Creek Canal, which runs along the boundary separating the Cypress Creek natural area from the Old Trail golf course community. The canal drains approximately 40 square miles into the Northwest Fork, and for years the high flows in the canal have caused scouring which has resulted in sediment deposition when it discharges into the river. When Old Trail was developed, they were required to set aside $122,000 to put towards hydrologic improvements in the watershed. The Cypress Creek Weir and Groves Stormwater Treatment Area is a component of the Comprehensive Everglades Restoration Plan (CERP). THe project is proposed to be constructed in Phases. Phase 1 would involve the construction of a weir and widening of the Cypress Creek Canal to improve the hydrology of the watershed and reduce the downstream impacts from high flow events. Phase 2 would involve the construction of a Stormwater Treatment Area (STA) in a portion of the former citrus groves. Operating budget impacts will be determined once project design is completed. Typically, annual maintenance costs for an STA and canal maintenance are approximately $ $1200 / year per acre. For a weir structure, annual costs can range from $ $3000 / year Chapter 9 (9.1G.3) Conservation and Open Space Element of the Martin County Comprehensive Growth Management Plan. Design 395, , ,000 Land 150, ,000 Construction 4,000,000 1,500,000 2,500,000 Expenditure Total 4,545, , ,000 1,500, , ,500,000 Donation 122, ,000 0 Grant 2,435,000 85,000 1,000, ,000 1,250,000 Revenue Total 2,557, ,000 85, ,000, , ,250,000 Unfunded: ($1,988,000)

7 This image cannot currently be displayed. MARTIN COUNTY FY 2016 CAPITAL IMPROVEMENT PLAN (CIP) Ecosystem / Delaplane Restoration and Public Access 8 (County is obligated to complete) 2121 Close to Linden Street / Gaines Avenue 2 Delaplane is a waterfront property on the South Fork of the St. Lucie River. It has several major natural plant communities including hydric hammock, mesic hammock, tidal swamp, and both scrubby and mesic pine flatwoods. This project will improve native plant communities on Delaplane by removing exotic vegetation and restoring on-site hydrology. The exotic work is slated to begin during the Spring of The County has a $42,341 grant with the Fish and Widlife Conservation Commission (FFWCC) to complete this work. However, FFWCC is not requiring a match and is hiring the contractor, so there is no fiscal impact to the County. A 6 car space parking lot, shell rock hiking trail, benches, picnic tables, kiosks, interpretive signage, canoe/ kayak launch and the replacement of an existing dock will all be constructed to provide public access and recreational opportunities. The canoe/ kayak launch will also create a waterway link to other conservation lands in the area. The Delaplane parcel was acquired with funding from the Florida Communities Trust (FCT) grant program. All of these project components are required by FCT through the Delaplane Land Management Plan and Grant Award Agreement with the County. Average annual maintenance costs for the facilities are anticipated to be approximately $3,000/year, although this estimate will be revisited once facility is built and the level of public use is determined. Condition of Grant Award Agreement required under the Florida Communities Trust (FCT) Program, and Ch. 9 Conservation & Open Space Element of Martin County Comprehensive Growth Management Plan. Design 64,110 64,110 Construction 387, ,614 80, ,000 Expenditure Total 451,724 64, , , , District MSTU 190,000 19, ,870 Impact Fee 67,224 30,480 36,744 Road MSTU 14,500 14,500 Revenue Total 271,724 64, , Unfunded: ($180,000)

8 Ecosystems / Willoughby Creek Water Quality Improvement Project 8 (County is obligated to complete) 9915 North County 2 The Willoughby Creek basin contains, portions of the airport property, Martin County Golf Course, and Field Operations facilities, the Fair Grounds and School Board facilities along Old Dixie Highway. Willoughby Creek has been identified as a major contributor of high concentrations for total nitrogen, total phosphorus, and copper by SFWMD water quality monitoring. The project proposes to install weirs and create Stormwater Treatment Areas and wet detention lakes within the golf course, and the School Board property, to provide treatment and ground water recharge. The primary objective of this project is to reduce the nutrient loads of TP by an estimated 60%, TN by 35%, Total Suspended Solids by 85% to the St Lucie Estuary, and assisting the County in meeting the Total Maximum Daily Load (TMDL). A FY15 St Lucie River Issues Team Grant in the amount of $100,000 for design has been applied for, and if successful, funding is expected in FY16, 2nd Quarter. Additionally, an EPA Section 319 grant, and a FY16 SLRIT Grant, will be applied for this year, and if successful, funding is expected in FY17, 2nd Quarter for construction. An TMDL Water Quality Restoration Grants will need to be applied for in FY17 to partially fund construction. The initial construction costs shown below include educational signage at the site. On-going maintenance costs associated with maintaining stormwater infrastructure and mowing are expected to come out of future operating budgets. Typically, maintenance costs are approximately $1000-$1200 / year per acre of STA. For Willoughby Creek, those costs are estimated at $7500 / year. Project identified in County Stormwater Needs Assessment to meet the St. Lucie Watershed Basin Management Action Plan (BMAP) requirements. Design 200, ,000 Land 0 Construction 1,550,000 1,550,000 Equipment 0 Monitoring 100, ,000 Expenditure Total 1,850, ,000 1,550, , Grant 1,332, ,000 1,232,000 Stormwater MSTU 518, , , ,000 Revenue Total 1,850, , ,000 1,370,

9 This image cannot currently be displayed. MARTIN COUNTY FY 2016 CAPITAL IMPROVEMENT PLAN (CIP) Ecosystem / Clifton S. Perry Beach Public Access 8 (County is obligated to complete) 2123C Hutchinson Island 1 Clifton S. Perry Beach was purchased through the Half Cent Sales Tax for Clean Water, Wildlife Habitat, Beaches and Parks and a grant from the Florida Communities Trust. The property supports several imperiled biological communities, including beach and dune, coastal strand, maritime hammock, and tidal swamp. The site also provides important habitat for several rare plant and animal species. This project provides the infrastructure and educational signage to preserve and showcase these rapidly disappearing native habitats. The amenities include a parking area, boardwalk, canoe/kayak launch, picnic pavilion, interpretive signage and park benches. Average annual maintenance costs are anticipated to be approximately $3,000/year. Condition of Grant Award Agreement required under the Florida Communities Trust (FCT) Program, and Ch. 9 Conservation & Open Space Element of Martin County Comprehensive Growth Management Plan. Design 71,915 1,915 70,000 Land 8,882,500 8,882,500 Construction 400, ,000 Expenditure Total 9,354,415 8,884, , Grant 4,448,547 4,448,547 Sales Tax 4,905,868 4,435, ,000 Revenue Total 9,354,415 8,884, ,

10 Ecosystem / Ranch Colony Berm Phase II 1 (eliminate public hazard) TBD South County 3 4 (Final Design) Martin County and the South Florida Water Management District cooperatively purchased the Cypress Creek property in an effort to restore the Northwest Fork of the Loxahatchee River. The Cypress Creek watershed includes natural areas, residential developments and golf courses. Historically, the lands drained eastward via sheetflow into Cypress Creek and then into the Northwest Fork of the Loxahatchee. Runoff leaving these areas is now routed through the Cypress Creek Canal. In cooperation with the Loxahatchee River Preservation Initiative, Martin County completed construction of approximately 2/3 of the Ranch Colony Berm, and replaced/enhanced two 84" culverts and two additional structures along the berm. There are 3 easements that need to be obtained to complete the remainder of the berm construction / enhancements. This project is to obtain the remaining three easements and complete construction of the Ranch Colony Berm enhancements. Martin County will initiate discussions with the South Florida Water Management District to discuss shared maintenance Mitigates flood hazard. responsibility for this facility. Martin County is currently maintaining the existing berm (mowing) and will continue to do so until such a time that other maintenance partners agree to shared responsibility. Construction 500, , ,000 Expenditure Total 500, , , Stormwater MSTU 500, , ,000 Revenue Total 500, , ,

11 Ecosystem / Manatee Creek Technology Assessment 10 (unique criteria) 1236A Port Salerno Four 4 (Final Design) This project is to monitor the entire project and specifically evaluate the efficiency of the de-nitrificiation bed to determine if this technology could be applied in other areas of Martin County to assist in meeting requirements under the Total Maximum Daily Load (TMDL) / Basin Management Action Plan (BMAP) program. A DEP / TMDL grant will be applied for, and if successful in obtaining a grant, funds would be expected in FY16. The Manatee Creek Retrofit Project has been a three-phased project starting with the design and construction of Phase I STA in 2006 to serve the Salvatori Road area. Phase 2 consisted of the design and construction of an STA system in the area of Front & Railway Avenues, Arthur Street, and Primrose Way. Phase 3 was completed in 2012 with the conversion of the retired Dixie Park Wastewater Treatment Plant converted into a 9.5 acre STA. As part of this construction, a specialized de-nitrification bed was installed as an innovative alternative treatment technology. None Investing in alternative treatment technologies has potential to reduce future water quality project costs associated with St. Lucie Watershed Basin Management Action Plan (BMAP) compliance. Monitoring 200, ,000 Expenditure Total 200, , Grant 100, ,000 Stormwater MSTU 100, ,000 Revenue Total 200, , ,

12 Ecosystem / River Cove Site Development and Restoration Project 2123B North of East Ocean Blvd. just east of the Stuart Causeway 1 The River Cove Parcel is located adjacent the Indian River on Hutchinson Island at the landing of the Stuart Causeway. This property was purchased with ½ cent sales tax conservation funds and is being maintained by the Ecosystem Restoration and Management Division. River Cove contains a mixture of habitats including beach shoreline, mangrove tidal swamp, maritime hammock and disturbed uplands. Site restoration components include creating a living shoreline, removing invasive/ exotic vegetation and restoring native plant communities on site. In 2013, fencing and a gate were constructed to limit access and protect the site's natural resources. Future site improvements will focus on providing enhanced and appropriate public access to environmental education programs such as those associated with Florida Oceanographic Society and the Environmental Studies Center. Facilities will include a parking area, a school bus turn around area, educational pavillion, picnic tables and bike racks. 8 (County is obligated to complete) $5,000/year Consistent with Ch. 9 Conservation & Open Space Element of Martin County Comprehensive Growth Management Plan, and with Ordinance 711 regarding public access on conservation lands. Design 20,000 20,000 Construction 83,235 7,445 34,000 41,790 Expenditure Total 103,235 7,445 54,000 41, Grant 13,235 13,235 Sales Tax 90,000 7,445 82,555 Revenue Total 103,235 7,445 95,

13 Ecosystem / East Fork Creek Water Quality Improvement Project 8 (County obligated to complete) 1248 Mid County 3 1 (Feasibility) This project proposes to construct a Lake and STA within portions of an unopened road right of way and an FDOT lateral ditch in the general vicinity of US Highway 1 and Seabranch Blvd, and to replace a failing culverts at SE Lexington Avenue within Heritage Ridge. The primary objective is to provide water quality benefits and improve flood protection, by maximizing storage capacity, and nutrient load reductionsto the St. Lucie Estuary, a nutrient impaired water body with an adopted TMDL and BMAP. The project will increase attenuation and residence time allowing for water recharge, and also, improve stormwater conveyance and provide reduced flooding benefits to Seabranch Boulevard, The Preserve, Heritage Ridge, Ridgeway Mobile Home Park, Osprey Street, and Poinciana Gardens Subdivisions. A FY16 St Lucie River Issues Team Grant in the amount of $85,000 for design, survey and permitting will be applied for, and if successful, funding is expected in FY16, 4th Quarter. Additionally, an EPA Section 319 grant, and a FY17 SLRIT Grant, will be applied for in FY17, and if successful, funding is expected in FY18, 2nd Quarter for construction. An TMDL Water Quality Restoration Grants will need to be applied for in FY16 to partially fund construction. On-going maintenance costs associated with maintaining stormwater infrastructure and mowing are expected to come out of future operating budgets. Typically, maintenance costs are approximately $1000-$1200 / year per acre of STA. For East Fork Creek, those costs are estimated at $4800 / year. Project identified in County Stormwater Needs Assessment to meet the St. Lucie Watershed Basin Management Action Plan (BMAP) requirements. Design 170, ,000 Land 80,000 80,000 Construction 2,000,000 2,000,000 Monitoring 100, ,000 Expenditure Total 2,350, , , ,000, , Grant 1,585,000 85,000 1,500,000 Stormwater MSTU 765,000 85, , ,000 Revenue Total 2,350, ,000 85,000 1,642, ,