Indian River County Florida
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Pollution Warning Sign

Report Illegal Dumping 772-226-1888

Stormwater Facilities

Egret Marsh Stormwater Park and Wildlife Sanctuary

Egret Marsh removes dissolved nutrients from canal water before the water enters the Indian River Lagoon. Egret Marsh began operation in April 2010 and it cost $7.3 million to construct, including improvements. It removes dissolved nitrogen and phosphorus from eight million to ten million gallons of canal water each day. Egret Marsh’s treatment system includes a 4.6 acre algae farm that removes much of the water’s nitrogen and phosphorus load. Additional nutrient quantities are removed when the water flows through a large downstream polishing pond system and a created wetland before reentering the canal system. Egret Marsh is also a dedicated wildlife sanctuary and is home to many reptile, mammal, and bird species. Egret Marsh Presentation and Photos

PC Main Screening System

PC MainPC Main removes floating and suspended material from the Indian River Farms Water Control District’s Main Relief Canal, preventing the material from entering the Indian River Lagoon. PC Main began operation in August 2008 and it cost $5.3 million to construct. Using a series of self-cleaning bar screens, PC Main removes particles from the water that are as small as 1/16th inch in diameter, about the thickness of the wire in a paperclip. Along with huge quantities of trash and debris that harms the Lagoon’s wildlife, PC Main removes thousands of tons of aquatic plants from the canal water each year. If these plants reach the Lagoon they will die and create muck deposits on the Lagoon’s bottom, and release nitrogen and phosphorus that they assimilated into their tissue from the canal water. By preventing debris, trash, and freshwater aquatic plants from entering the Lagoon, PC Main provides significant benefit to the Lagoon’s ecosystem. PC Main also has two sedimentation basins in the canal bottom just upstream of the screening system. These basins can remove thousands of cubic yards of sediment and mucky material from the water each year. PC Main Presentation and Photos

Osprey Marsh Stormwater Park

Osprey Marsh removes dissolved nutrients from canal water and from the South County Water Treatment Plant’s reverse osmosis brine discharge, before the water flows into the Indian River Lagoon. Osprey Marsh began operation in the spring of 2015. Each day, it removes dissolved nitrogen and phosphorus from ten million gallons of canal water and from up to 1.5 million gallons of reverse osmosis brine discharge. Osprey Marsh’s treatment train includes a 4.6 acre algae farm that removes much of the water’s nitrogen and phosphorus. Additional nutrients are removed in a polishing pond and a created wetland. Osprey Marsh was designed by Public Works Stormwater Division but it is operated by The County Division of Utility Services due to the reverse osmosis brine input.

Osprey Acres Stormwater Park & Nature Preserve

This 83.7 acre facility boasts a range of natural Florida ecosystems including uphill pine, mesic oak hammock, a small scrub area, and now manmade wetlands. Having these various habitats promotes a wealth of biodiversity within the property. Originally slated for more than 400 home parcels, Osprey Acres was bought by Indian River County, to not only preserve these fragile ecosystems, but to aide in further treatment of storm-water and reverse osmosis reject water before these waters enter the Indian River Lagoon. Waters for treatment come from both Osprey Marsh (next door) and untreated canal water. More Osprey Acres Stormwater Park information

Grants for Osprey Acres provided by:
  • St. Johns River Water Management District Cost-Share Grant = $1,200,250
  • Florida Department of Environmental Protection TMDL Grant = $1,200,000
  • State of Florida Legislative Grant = $1,234,286
Please do not call this office - Please call the Road and Bridge Division at 772-770-5095