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EGRET MARSH STORMWATER PARK
10 MGD FROM LATERAL D CANAL
PUMP STATION
4.58 ACRE ALGAL TURF SCRUBBER
PRIMARY POLISHING POND
INTERMEDIATE POLISHING POND
FINAL POLISHING POND
WOOD STORK HABITAT
LATERAL C CANAL
HARVEST WATER POND
POLISHING POND RECYCLE PUMP STATION
TO INDIAN RIVER LAGOON
EGRET MARSH STORMWATER PARK FLOW SCHEMATIC
HARVESTED ALGAESCREENED ALGAE
SETTLED ALGAE
DECANT WATER
TREATED WATER Capacity: 10 MGD
Construction Cost ~ $7.28 Million
APRIL 2009
INTERMEDIATE POLISHING POND
FINAL POLISHING POND
WOOD STORK HABITAT AREA
COMPOST PAD
HARVEST WATER POND
DUCK & MOORHEN NURSERY
NUTRIENTS REMOVED BY EGRET MARSH FLOWAY(Nutrient Reduction by Polishing Pond and Wetland Systems Not Included)
Total Nitrogen Total Phosphorus12,146 Pounds 2,891 Pounds6.07 Tons 1.45 Tons
April 13, 2010 startup** Floway taken out of service for repairs between 8-16-2012 and 2-5-2013
TOTAL EGRET MARSH NUTRIENT REMOVALFLOWAY, POLISHING PONDS, AND WETLAND SYSTEM
Total Nitrogen Total Phosphorus23,150 Pounds 5,782 Pounds11.58 Tons 2.89 Tons
April 13, 2010 startup** Floway taken out of service for repairs between 8-16-2012 and 2-5-2013
SUMMARY OF NUTRIENTS REMOVED THROUGH OCTOBER 9, 2013 forPC MAIN AND EGRET
MARSH
POUNDS NITROGEN REMOVED
EGRET MARSH FLOWAY AND PC MAIN
TOTAL NITROGEN : 21,579 Pounds10.79 Tons
EQUIVALENT BAGS OF FERTILIZER: 5,395 Bags*
TOTAL INCLUDING REMOVALS BY EGRET MARSH POLISHING POND AND WETLAND SYSTEM:
TOTAL NITROGEN: 32,583 Pounds16.30 Tons
EQUIVALENT BAGS OF FERTILIZER: 8,146 Bags*
*based on a 40 pound bag of 10-5-10 (N-P-K) fertilizer
POUNDS PHOSPHORUS REMOVEDEGRET MARSH FLOWAY AND PC MAIN
TOTAL PHOSPHORUS : 5,567 Pounds2.78 Tons
EQUIVALENT BAGS OF FERTILIZER: 2,784 Bags*
TOTAL INCLUDING REMOVALS BY EGRET MARSH POLISHING POND AND WETLAND SYSTEM
TOTAL PHOSPHORUS: 8,458 Pounds4.23 Tons
EQUIVALENT BAGS FERTILIZER: 4,229 Bags*
*based on a 40 pound bag of 10-5-10 (N-P-K) fertilizer
$$ PER POUND OF POLLUTANT REMOVED
NITROGEN
EGRET MARSH $60 $35 $22
PC MAIN $154 $37 $37
PHOSPHORUS
EGRET MARSH $239 $140 $88
PC MAIN $541 $130 $130
CAPITAL COST OMITTED – O&M
ONLYINCLUDING
CAPITAL COSTINCLUDING
GRANT FUNDING
INDIAN RIVER COUNTY’SEGRET MARSH REGIONAL STORMWATER PARK
WILDLIFE
INDIAN RIVER COUNTY STORMWATER DIVISION