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

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Publications of the District

The District offers a variety of information to help you learn about water conservation, the District’s work, water resource protection and water quality. Most District materials have been designed as electronic download documents so you can access information quickly.

Multimedia materials

Our multimedia section offers a variety of ways to learn about the District’s work: through photographs, informational videos, computer wallpaper and slide shows.

Technical reports

In the course of their work, District scientists and other environmental professionals study a host of water-related topics and prepare technical reports on their findings. See an overview of each report published by the District.

Go to StreamLines - A news magazine of the District

Measurements taken over time at various water bodies, along the shore and elsewhere are combined to give water management scientists the big picture of water resources.

District looks to plants, animals to establish protective water flows and levels

Dangling from cabbage palms, hand ferns are rare in Florida. Their scarcity is generally attributed to the extensive drainage of natural wetlands over the decades.

If you’re lucky or determined, one of the few places you’ll find the hand fern — along with the occasional snowy orchid — is at Tosohatchee State Reserve, a mosaic of freshwater marshes, swamps, pine flatwoods and hardwood hammocks bordering 19 miles of the St. Johns River in Orange County.

The wetlands in Tosohatchee draw life from reclusive Taylor Creek. The creek receives its tea-colored flow from a dam at Taylor Creek Reservoir and winds its way to the St. Johns River. Sufficient water flow in Taylor Creek is critical to the survival of the hand fern and other wetland species found at Tosohatchee. St. Johns River Water Management District scientists realized this fact when establishing minimum flows and levels, or MFLs, for the creek.

The District sets MFLs for lakes, streams, rivers, wetlands, springs and aquifers to prevent significant harm to the water resources or ecology of an area resulting from permitted water withdrawals. MFLs define how often and for how long high, intermediate and low water flows and/or levels should occur to prevent significant harm. Two to five MFLs are typically defined for each system.

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