Lower Hillsborough Wilderness Preserve
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Draft Land Management Plan Lower Hillsborough Wilderness Preserve July 2, 2021 The Southwest Florida Water Management District (District) is a science-based organization responsible for managing and protecting water resources in west-central Florida. The District’s job is to ensure there are adequate water supplies to meet the needs of current and future users while protecting and restoring water and related natural resources. The District encompasses all or part of 16 counties, from Levy County in the north to Charlotte County in the south. It extends from the Gulf of Mexico east to the highlands of central Florida. The District contains 97 local governments spread over approximately 10,000 square miles, with a total population estimated to be 5.4 million in 2020. ii Executive Summary Acres: 16,064 Acquisition Dates: 1965-1970s Plan Term: 10 Years (2022-2032) Primary Basin: Hillsborough River Secondary Basin: Trout Creek, Clay Gully, Basset Branch, Two Hole Branch, Flint Creek, Cow House Creek, Tampa Bypass Canal Location: Hillsborough County (County) Funding Source: Water Management Lands Trust Fund, Florida Forever, Ad Valorem Partnerships: Hillsborough County Park & Recreation Department and School Board of Hillsborough County Natural Systems: The Lower Hillsborough Wilderness Preserve (Preserve) is dominated by forested wetlands including an extensive riverine swamp associated with the floodplain of the Hillsborough River. The riverine swamp occurs on frequently flooded soils along the Hillsborough River and Trout Creek. Cypress swamps generally occur within isolated wetland systems in the flatwoods. Pine flatwoods are the most prevalent natural upland community on the Preserve. Mesic hammocks occur in areas that do not frequently burn due to soil moisture or position in the landscape. Water Resources: Water management benefits associated with the property include water supply, flood protection, and water quality protection and enhancement. The vast majority of the Preserve occurs within the floodplain of the Hillsborough River, while a small portion of the site occurs within the floodplain of Trout Creek. To accommodate the Four River Basins, Florida Project (FRB), the District acquired lands around the Hillsborough River up to an elevation of 40 feet to provide for protection during a 100-year flood. The Morris Bridge Wellfield (MBW) is located in the northwest portion of the Preserve. Tampa Bay Water (TBW) manages the MBW as a potable water supply source. The Hillsborough River also serves as a major water supply source for the City of Tampa downstream of the Preserve. Water quality on the project site is influenced by both development around the site and by activities occurring within the Preserve. Land Management: The District’s land management practices applied on Preserve result in healthy, natural systems. Management activities include prescribed fire, forest management of silvicultural zones, management and monitoring of resident wildlife to maintain existing biodiversity, feral hog control, and control of several invasive exotic (non-native) plant species. Cultural and Historical Resources: The Preserve is an area that is steeped in a rich history. The Preserve contains approximately 40 archaeological sites that have been recorded in the Florida Master Site File of the Florida Division of Historical Resources. These sites are prehistoric iii campsites and mounds from the late Paleo-Indian through Transitional periods. Artifacts suggest that the Archaic period was the most intense time of occupation. Portions of the Old Morris Bridge Road and a former railroad between Tampa and Thonotosassa are found on the Preserve. Recreation: The types of recreation that are offered at the Preserve provide for passive, resource- based recreation, and expansive recreation opportunities, dependent upon the area of the Preserve. The Preserve has nine areas within its boundaries that provide for recreational opportunities: Dead River Park, Flatwoods Park, John B. Sargeant Park, Morris Bridge Park, Trout Creek Park, as well as the Wilderness Park Off Road Trails, the Jefferson, Washburn Equestrian Area, and Oak Ridge Equestrian Areas. Areas where recreation is managed by the County offer a modern outdoor experience with a variety of park amenities. The recreational uses at the County recreation areas include bicycling, inline skating, fishing, birding, boating, and hiking. Areas where recreation is managed by the District provides for a passive, resource-based outdoor experience with camping, horseback riding, fishing, and hiking opportunities in an undisturbed, natural setting. Special Use Authorization: There are various special uses on the Preserve, which require Special Use Authorization (SUA) approval from the District as set forth in Florida Administrative Code §40D-9. The typical special use types occurring on the Preserve can be categorized as recreation, research, educational, and training. Access: Public access to the property is provided at the nine access points for the recreation areas on the Preserve to allow the general public to partake in the available outdoor recreation opportunities. Flatwood Park has two access points, Bruce B Downs and Morris Bridge Road. Access to the Washburn site requires a SUA or camping reservation. Real Estate: Under a partnership agreement between the District and the County, the County manages six individual park sites (Dead River Park, Flatwoods Park, John B. Sargeant Park, Morris Bridge Park, Wilderness Park Off Road Trails System, and Trout Creek Park) known collectively as the Wilderness Park and accounting for approximately 7,100 acres of the Preserve. An approximately 3,000 acre “outparcel” of the Hillsborough River State Park occurs between the Dead River Park and Sargeant Park. Three additional recreational areas, consisting of the Jefferson Road Equestrian Area, the Oak Ridge Equestrian Area, and the Washburn Equestrian Area, are managed by the District. The District will continue to consider the opportunities of purchasing adjacent lands to the Preserve with the goal to promote the District’s mission of protecting the natural features of conservation lands for the benefit of flood attenuation, water quality, and water supply. Cooperative agreements, leases, and easements: The District holds a management agreement with the County for the management of the previously mentioned recreation areas. There is a cooperative agreement with the City of Tampa for the New Tampa Nature Park to allow the trails within the New Tampa Nature Park to connect to the trail system within Flatwoods Park. There is iv a land use agreement with the School Board of Hillsborough County for the Nature’s Classroom. The District also holds multiple easement types which are assigned to utility companies, State of Florida agencies, and local municipalities, as well as a land use agreement with the Florida Fish and Wildlife Conservation Commission (FWC) for the purposes of providing a Wildlife Management Area. There is a designation agreement with the Florida Department of Environmental Protection for the recreation trails on Preserve. Finally, the District holds license agreements with TBW for public water supply purposes. v Table of Contents Executive Summary ....................................................................................................................... iii Introduction and General Information ............................................................................................ 1 Management Plan Purpose .......................................................................................................... 1 Management Authority ............................................................................................................... 2 Location ....................................................................................................................................... 2 Acquisition .................................................................................................................................. 5 Current Land Use ........................................................................................................................ 9 Local Government Land Use Designation .................................................................................. 9 Adjacent Land Uses .................................................................................................................... 9 Management Challenges ........................................................................................................... 10 Water and Natural Resources........................................................................................................ 11 Water Resources and Core Mission .......................................................................................... 11 Water Supply ............................................................................................................................. 11 Water Quality ............................................................................................................................ 11 Flood Protection ........................................................................................................................ 11 Hydrogeology ............................................................................................................................ 11 Natural Systems........................................................................................................................