(12) UIllt€d States Patent (10) Patent No.: US 8,153,005 B1 Wanielista et al. (45) Date of Patent: Apr. 10, 2012 (54) RETENTION/DETENTION POND 3,820,280 A 6/1974 Gilgen STORMWATER TREATMENT SYSTEM 2 lg gafige a a 3. (75) Inventors: Martin Wanielista, Winter Park, FL 2 (US); N1-Bln Chang, Wlnter Sprlngs, FL 4,764,282 A * 8/1988 Snyder ........................ .. 210/690 (US) 5,014,462 A 5/1991 Malmgren 5,573,349 A * 11/1996 Paoluccio ..................... .. 405/52 (73) Assignee: University of Central Florida Research 5,624,576 A * 4/1997 Lenhart 6' a1~ ~~~~~~~~~~~ ~' 210/767 Foundation, Inc., Orlando, FL (U S) 2 ( * ) Notice: Subject to any disclaimer, the term of this (Continued) patent is extended or adjusted under 35 FOREIGN PATENT DOCUMENTS U.S.C. 154(b) by 0 days. GB 2375761 11/2002 (21) Appl. No.: 13/049,586 (Continued) (22) Filed: Man 16’ 2011 Primary Examiner * Fred Prince Related US_ Application Data (74) Attorney, Agent, or Firm f Brian S, Steinberger; Phyll1s K. Wood; Law Offices of Brian S. Ste1nberger, P.A. (62) Division of application No. 12/726,903, filed on Mar. 18, 2010, now Pat. No. 8,002,985, which is a division of application No. 12/462,622, filed on Aug. 6, 2009, (57) ABSTRACT HOW Pat N0~ 7,824,551, Which is a division Of Materials, compositions, substances and methods and sysapplication N0- 12/200,140, filed 011 A118 28, 2008, tems for stormwater treatment in wet ponds, dry ponds and a HOW Pat. NO. 7,897,047~ green roof system. A first embodiment provides in-situ treat(60) Provisional application NO‘ 60/967,259’ filed on Aug‘ ment unit within the retention pond by withdrawing the stored 31 2007 stormwater to circulate the stored stormwater1nto the 1n-s1tu ’ ' treatment unit to sorb nitrogen from the stored stormwater. A 51 I t_ CL second embodiment provides uses a riprap apron, a perfo( ) 5102 F 3/32 (200601) rated riser located at the bottom of the riprap apron and a B01D 15/00 (200601) geotextile media encased in a sorption media jacket around _ _ _ the erforatedriser.Athird embodiment rovides a reen roof (52) U.S.Cl. ................. .. 210/602,210/617,210/170.03, t P t t t t t tht . lpd tgt. f 210/679 s orrnwa er rea men sys~em a 1nc u es pro ec ion or (58) Field of Classification Search 210/602 waterproofing and insulating the roof, a pollution control 210/615 616 660 679’ media layer for filtration and sorption of solids and dissolved See a lication file for CO’m léte Se’arCh1'1iSt’O ’ materials found in stormwater, a growing media for growing pp P ry' vegetation, and a cistern to store the runoff stormwater - between irri ation events. The reen roof s stem includes (56) References Cited g g y
recycling runoff stormwater by irrigating the green roof with
