St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District St. Johns River Water Management District
St. Johns River Water Management District - floridaswater.com
Water bodies, watersheds and storm water

Orange Creek Basin

The 600-square-mile Orange Creek Basin, primarily in Alachua County, is part of the lower Ocklawaha River watershed. Limestone beneath much of the surface of the basin has resulted in the formation of sinkholes, large shallow lakes and broad wet prairies. These shallow water bodies fluctuate over a broad range due to droughts or heavy rains, natural processes essential for healthy shallow lakes and marshes.

The Orange Creek Basin contains a variety of aquatic habitats, including Paynes Prairie, an extensive shallow marsh within a state park preserve. The largest lakes in the basin — totaling 29,000 acres — are Newnans, Lochloosa and Orange.

Location of the Orange Creek Basin

Orange Lake, Lake Lochloosa, Paynes Prairie, River Styx, Cross Creek and Lochloosa Creek are “Outstanding Florida Waters,” a state designation that provides a high level of protection because of the exceptional richness of aquatic and wetland habitats. Paynes Prairie Preserve State Park is also a recognized National Natural Landmark.

Water quality, altered hydrology, excessive organic sediment accumulation and management of invasive exotic species are the biggest challenges in the basin. Excess phosphorus flows (or “loads”) into Newnans Lake making its way through Prairie Creek and Camps Canal to Orange Lake. Invasive plants, especially hydrilla, have led to excessive organic sediment accumulation, especially in Newnans and Orange lakes. Multi-year droughts since 2000 that have resulted in low lake levels have aggravated water quality problems in the basin lakes.

Solutions

The St. Johns River Water Management District’s Governing Board added the Orange Creek Basin to the Surface Water Improvement and Management (SWIM) program priority list in 2003. The program goal is to restore and maintain healthy aquatic and wetland habitats in the basin’s three large lakes and Paynes Prairie. This is necessary because water quality and aquatic and wetland habitats in these lakes have declined over the past century due to development in the basin.

Hatchet Creek is a scenic area in the Newnans Lake Conservation Area.

Hatchet Creek is a scenic area in the Newnans Lake Conservation Area.

The Orange Creek Basin SWIM program is focused on reducing pollutants, especially excess phosphorus in Newnans, Lochloosa and Orange lakes, initially through scientific development of estimates of pollutant reduction needed to restore the lakes to state water quality standards. Major activities include monitoring water quality and plankton communities, modeling pollutant loading, quantifying sources of nutrient pollutants and coordinating with state and local governments. Currently, the District is providing matching funds and technical assistance to the city of Gainesville to reduce pollutants in Sweetwater Branch before it flows into Paynes Prairie. Construction of the Sweetwater Branch Project began in late 2012.

In 2011, the District prepared and the agency’s Governing Board approved an updated Orange Creek Basin Surface Water Improvement and Management (SWIM) Plan to guide restoration of water quality and wetland and aquatic habitats, primarily in Newnans, Lochloosa and Orange lakes. This plan is an update to the 1996 Surface Water Management Plan and serves as the first official SWIM plan for the Orange Creek Basin, meeting SWIM Act requirements.

Vistas, such as the view of this expansive prairie, are common in the Orange Creek Basin.

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St. Johns River Water Management District
4049 Reid Street, Palatka, FL 32177
(800) 725-5922