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Lake Hancock PowerPoint Presentation
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Lake Hancock

Lake Hancock

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Lake Hancock

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  1. Winter Haven Lakeland Lake Hancock Saddle Creek Peace Creek Peace River

  2. Northern Chain of Lakes Peace Creek Outflow TMDL Lake Southern Chain of Lakes Wahneta Outflow

  3. 50 LAKES IN WINTER HAVEN 30 Lakes Inside City Limits 10 Lakes Partially in the City 10 Lakes Bordering the City

  4. Point Sources: Wastewater Treatment Plants Industrial Discharges

  5. Stormwater Sources 13,000 Pounds Phosphorus 58,000 Pounds Nitrogen 350,000 Pounds BOD 2.8 Million Pounds Suspended Solids 9500 Pounds Heavy Metals

  6. INTERIM STORMWATER QUALITY UTILITY • Adopted in 1998 as an Interim Measure • Flat Rate Fee ($2.50 per water meter) • Large Properties pay same as small • Not based on quantity or pollutant • loading • Not based on pollutant characteristics • of land use type

  7. Lake Howard Alum Injection Project(Cooperatively funded with the SWFWMD) Treats Annually: 175 Acre Urban Watershed 180 Pounds Phosphorus 130 Pounds Nitrogen 2700 Pounds BOD

  8. Lake Howard Nature Park and Stormwater Pond Property Size: 11 Acres

  9. COOPERATING AGENCIES Florida Communities Trust (Land) SWFWMD (Water Quality/Basin Management) FDEP – Pollution Recovery Fund (Water Quality FFWCC (Wildlife Habitat/Water Quality) FDEP – FRDAP (Recreation) City of Winter Haven (All of the above)

  10. Treats Annually: 578 Acres 400 # Phosphorus 2600 # Nitrogen 7000 # BOD

  11. Final Stormwater Quality Utility • * Adopted July, 2004 • * Based on Pollutant Loadings from Land Use • * Combined Pollutant Parameters • Total Phosphorus – 50% • Total Nitrogen – 25% • Biochemical Oxygen Demand – 25%

  12. Stormwater Loading from Land Uses as kg/acre (From Harvey Harper, 1994) Land UseTPTNBOD Single Family 0.594 4.68 14.3 Multi-Family 1.72 8.51 38.4 Low Intensity Comm. 0.65 5.18 36.1 High Intensity Comm. 1.96 13.0 79.3 Industrial 1.24 7.3 39.5 Recreation/Open .046 1.07 0.956

  13. Land Use Types with Pollutant Loading Index Land Use Pollutant Rate per IndexAcre/Year Home less than/= 0.5 acres 6.50 30.00 Home more than 0.5 acres 6.50 59.67 Low Intensity Commercial 9.03 82.90 Industrial 13.43 123.29 Multi Family Complex 16.45 151.01 High Intensity Commercial 23.40 214.82

  14. LAKE MAY ALUM PROJECT (Cooperatively funded with the SWFWMD) Treats 343 Acres of Highly Urbanized Watershed, Including 2 Major Storm Pipes and 1 Medium Pipe

  15. Treats Annually: 786 Pounds Phosphorus 3,177 Pounds Nitrogen 26,246 Pounds BOD

  16. LAKE LULU ALUM PROJECT (Cooperatively funded with the SWFWMD) Treats 275 Acres of Highly Urbanized Watershed, Including 2 Large Storm Pipes

  17. Will Remove Annually: 425 Pounds Phosphorus 1200 Pounds Nitrogen 7000 Pounds BOD

  18. Lake Hartridge Stormwater Project Lake Hartridge Nature Park: Cooperating Agencies Florida Communities Trust (Land), SWFWMD (Water Quality/Basin Management), FDEP – 319 Nonpoint (Construction), FDEP – FRDAP (Recreation), City of Winter Haven

  19. Property Size: 8 Acres

  20. Treats 105 Acres of Urban Watershed Area

  21. Will Remove Annually: 275 Pounds Phosphorus 1400 Pounds Nitrogen 9000 Pounds BOD

  22. LAKE CONINE WATERSHED RESTORATION PROJECT Lake Smart Lake Conine Stormwater Inflow Property Size: 34 Acres Watershed Area: 328 Acres Stormwater Inflow Stormwater Inflow

  23. Motor Pool Stormwater Treatment Pond

  24. Lake Silver Stormwater Pond

  25. 1990 TSI VALUES 0-4950-5960-6970 Above Lucerne 25 Spring 50 Jessie 61Lulu 70 Gem 27 Buckeye 52 Fannie 65 Shipp 70 Martha 28 Maude 53 Deer 67 Howard 73 Silver 33 Mariam 54 Cannon 67Mirror 74 Elbert 39 Pansy 56 May 76 Hartridge 41 Idylwild 58 Idyl 80 Citrus 41 Ida 59 Conine 82 Swan 42 Smart 83 Otis 42 Link 43 Red = Impaired List

  26. 2004 TSI VALUES 0-4950-5960-6970 Above Martha 37 Swan 50 May 66 Elbert 35 Maude 55 Shipp 69 Gem 39 Silver 52 Cannon 60 Deer 50 Idyl 58Mirror 62 Ida 44 Citrus 54 Smart 66 Lucerne 45 Idylwild 56Conine 61 Hartridge 46 Jessie 59Lulu 60 Pansy 49 Link 54 Spring 60 Otis 47 Buckeye 58Howard 63 Mariam 55 Fannie 61 Red = Impaired ListAverage County TSI: 56

  27. 2007 TSI VALUES 0-4950-5960-6970 Above Martha 36 Swan 50Cannon 63May 73 Elbert 37 Idyl 58Conine 67Shipp 76 Gem 39Idylwild 57 Deer 61Howard 70 Maude 42 Fannie 54 Mirror 60 Smart 70 Ida 44Citrus 54Lulu 69 Lucerne 45Link 54 Silver 48 Spring 55 Otis 47 Buckeye 55 Mariam 54 Hartridge 55 Jessie 58 Pansy 59 Red = Impaired ListYellow = 2004 #s Average County TSI: 60

  28. TMDLs for Southern Chain of Lakes Comparison for Existing Projects

  29. Chain of Lakes Water Quality Management Plan & FDEP BMAP Process

  30. Organic Sediment (Muck) Removal? Lakes Shipp, May, Lulu?

  31. Hydroperiod Improvement/Residence Time? Lake Shipp 2005: 1.5 Years Lake Lulu 2005: 1.3 Years

  32. Stormwater Maintenance Utility Stormwater System Maintenance Flooding, Drainage CIP

  33. Lake Cannon Lake Hartridge Nature Park Chain of Lakes Natural Resource Center Lake Hartridge

  34. CHAIN OF LAKES NATURAL RESOURCES CENTER Components: Educational Center, Nature Based Recreation Offices, Limnological Research LEED Certified, Florida Friendly Landscaping Construction: Spring, 2009

  35. Other City Programs: ● Stormwater Treatment from Redeveloped Areas ● Environmental/Lakefront Lands Purchase Program ● Upper Peace Kayak Environmental Education Program (in conjunction with the CHNEP) ● Integrated Water Resources Planning Program

  36. The “End”