Overview of Lake Okeechobee Restoration Components

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Overview of Lake Okeechobee Restoration Components Water Policy Advisory Council December 7, 2012

Bob Brown Assistant Executive Director South Florida Water Management District

Presentation Outline  Background on Lake Okeechobee Watershed  Legislative History

 Northern Everglades and Estuaries Protection Program  LOW Source Control Program  LOW Construction Project

 Current Conditions and Challenges

Lake Okeechobee Watershed Background

Pre-Drainage Vs. Post-Drainage Conditions

Lake Okeechobee Watershed

Effects to Lake OkeechobeeThree Primary Problems

Lake Okeechobee

High and Low Lake Levels

Excess Nutrients

Exotic and Invasive Species

Legislative History

History Of Northern Everglades Legislation – SWIM Act and LOPA  1987 Surface Water Improvement and Management (SWIM) Act  FDEP Dairy Rule (62-670.500 F.A.C)  SFWMD Lake Okeechobee Works of the District Program (Chapter 40E-61, F.A.C.)

 2000 Lake Okeechobee Protection Act (LOPA)  Watershed approach to restoring and protecting Lake Okeechobee  Required development of the Lake Okeechobee Watershed Protection Plan (LOWPP)

History Of Northern Everglades Legislation - Lake Okeechobee TMDL  2001 Chapter 62-304.700, F.A.C. • DEP adopted Lake Okeechobee TP Total Maximum Daily Load (TMDL) (Chapter 62-304 F.A.C.)  140 metric tons per year (mt/y) TP load to Lake Okeechobee to achieve a target in-lake TP concentration of 40 ppb in the pelagic zone of the lake • 105 mt/yr from the watershed and 35 my/yr from atmospheric deposition  TMDL attainment based on a 5-year rolling average

History Of Northern Everglades Legislation - NEEPP  2007 Northern Everglades and Estuaries Protection Act (373.4595 Florida Statutes) • Amended LOPA to include the

St. Lucie and Caloosahatchee estuaries (known as the northern estuaries) • Requires watershed protection plans for each watershed • Improve the quality, quantity, timing, and distribution of water delivered to Lake Okeechobee and the northern estuaries • Establishes that Watershed Protection Plans shall provide the basis for BMAPs

Northern Everglades and Estuaries Protection Program (NEEPP)

Protection Plan Components and Goals Source Control Program

Construction Project & Dispersed Water Management

Research and Water Quality Monitoring Program

GOALS

1. Meet established Total Maximum Daily Loads 2. Manage Lake Okeechobee water levels within an ecologically desirable range 3. Maintain a desirable salinity balance in the estuaries

NEEPP – Coordinating Agency Responsibilities

LOW Source Control Program

Complementary Source Control Programs • FDEP Point and Non-Point Source Programs

• FDACS Agricultural Best Management Practices (BMPs) • SFWMD Regulatory Source Control Program a.k.a Works of the District • University of Florida Institute of Food and Agricultural Sciences (IFAS) BMP Research • Watershed Phosphorus Control Projects

• Alternative Nutrient Reduction Technologies

SFWMD Regulatory Source Control Program  1987 SWIM Act authorized the WOD program under Chapter 40E-61 F.A.C.  Set target TP concentrations to achieve 360 mt/yr discharge limit to Lake Okeechobee  Applied to non-point urban and agricultural sources  Presumption of compliance unless water quality monitoring indicated otherwise

Upcoming Chapter 40-61 Amendments • Statute expanded regulated area – Lake Istokpoga, Upper Kissimmee • 140 mt/yr TP TMDL for Lake Okeechobee • Coordinated with FDEP & FDACS programs thru MOU • Implementation timeline

• Update of permit criteria including monitoring requirements for permittees • Monitoring network to evaluate collective performance of source control programs

BMP Research and Demonstration

Optimize nutrient application rates for vegetables

Improve nutrient removal in above ground impoundments Tail water recovery and chemical precipitation

Cow/calf BMP Optimization

Floating aquatic vegetation control in farm canals

Watershed Phosphorus Control Projects P Source Control Grant Program Wetland Restoration Dairy Remediation Dairy Best Available Technology (DBAT)

New Alternative Treatment Technologies (NATA)  Provides a forum to explore additional nutrient reduction technologies  Uses the District’s request for proposal process

 Demonstration projects Permeable Reactive Barrier (PRB) Technology

LOW Construction Project

Construction Project  Toolbox of water quality and storage projects • Regional and Sub-regional Stormwater Treatment Areas (STAs) and Reservoirs • Wetland restoration • HWTT

• Aquifer Storage and Recovery • Dispersed Water Management

Northern Everglades Construction Projects  Construction Projects

• Lakeside Ranch STA – Phase 1 1,707 acres • Remove phosphorus from stormwater runoff in Taylor CreekNubbin Slough Basin before discharge into lake

 Taylor Creek STA – 118 acres  Nubbin Slough STA – 809 acres Lake Okeechobee

Kissimmee River Restoration Project Channelization 1962-1971

Floodplain Vegetation Pre-Restoration

Post-Restoration14

Hybrid Wetland Treatment Technology (HWTT) Inflow

Outflow

Limerock Bed for Buffering

Mixing Zone Filtration Zone

Contact Zone with Floc Reuse

Lemkin Creek

Polishing Zone

Flow Weighted TP Concentrations & % Reductions (PORs as Noted)

900

800 700

Mosquito Creek

ppb

600 500

400 300

79%

71%

200

79%

88%

100

0

66%

70%

Nubbin Slough

Ideal Grove

Mosquito Creek

Lemkin Creek

Wolff Ditch

Grassy Island

Inflow

844

190

395

83

88

575

Outflow

180

23

81

28

26

165

Kissimmee River ASR Pilot Project  Located on Kissimmee

River 2 miles North of Lake Okeechobee

 5 MGD well which stored

 Recovery efficiency near

100% after 4 cycles

 Phosphorus

concentrations in recovery water below 20 ppb

180

Total Phosphorus Concentration, in parts per billion

approximately 4,000 acre feet of water over the past year

160 140 120 100 80 60 40 20 0 0

Recharge Recovery 1 2

CYCLE 1

3 4 Recharge Recovery CYCLE 2

5 6 Recharge Recovery CYCLE 3

7

Dispersed Water Management Program

 Shallow water distribution across parcel landscape using simple structures • Increases water retention and reduces nutrient loads

• Provides shallow water recharge

Phipps Park/Tropical Farms Retrofit

• Improves wetland systems and habitat • Partnerships benefit local economies

 Three main approaches

Before Storage

• Cost Share/Cooperative agreements

• Easements • Payment for Environmental Services

After Storage

Dispersed Water Management Program (cont.)  Cost-Share Projects • Istokpoga Marsh Watershed Improvement District Project

 Easements (USDA-NRCS Wetland Reserve Program) • Voluntary program offering landowners the opportunity to protect, restore, and enhance wetlands on their property • Technical and financial support to help landowners with their wetland restoration efforts • Establish long-term conservation and wildlife practices and protection

Phase 1A: 308 acres previously acquired by IMWID

Phase 1B: 401 acres acquired in FY10

Dispersed Water Management Program (cont.) FRESP • Five-year pilot project to field-test and develop a Payment for Environmental Services (PES) Program

• Included multiple partners including eight ranchers • Some converting to permanent WRP easements

NE-PES Program  Offers cattle ranchers opportunity to compete for contracts for water and nutrient retention

 Provides economic sustainability for ranchers, ecological and habitat enhancements, attenuates water and nutrients

Northern Everglades Dispersed Water Management More than 100 collaborative projects with public and private landowners 61,000 acre-feet of water retention has been achieved though the DWM program, 38,000 of which are in the Lake Okeechobee Watershed $34 million investment through FY16 Solicitation for FY2013 PES projects now open

Current Conditions and Challenges

Lake Okeechobee Current Conditions Water Quality Water Year 2012 had a five-year rolling average of 387 metric tons total phosphorus

Surface Water Inflows Water Year 2012 had almost 2 million ac-ft of surface water inflows

Lake Level 15.08 ft (12/5/2012)

Water Storage Approximately 115,000 acre-feet of storage/retention has been created in the Northern Everglades with the majority (92,000 ac-ft) located in the Lake Okeechobee Watershed

Challenges  External loading to the lake  Legacy phosphorus  In-lake phosphorus loading  Funding for implementation  Lake stage management until Herbert Hoover Dike repaired  Comprehensive Everglades Restoration Plan (CERP) Lake Okeechobee Watershed Project Implementation

Some good news…  External loading to the lake has decreased

 Water clarity increased  Algal blooms activity very low

350 Total Phosphorus (ppb)

 Submerged aquatic vegetation in lake increasing

Inflow

Lake

300

250 200 150 100 50 0 1970

1980

1990 2000 May-April Water Year

2010

Questions????

Questions?