active springs restoration: a review of current projects ......photograph by toni frissell weeki...
TRANSCRIPT
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Active Springs Restoration: A Review of Current Projects and
Future Prospects
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• Springs Health
• Approach
• Restoration Project Examples
– Completed SWFWMD
– Proposed SWFWMD
– Completed NWFWMD
– Proposed NWFWMD
Overview
Photograph by Toni FrissellWeeki Wachee, 1947
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Wakulla Springs, 1949Source: State Archives of Florida, Florida Memory
Chassahowitzka SpringSource: State Archives of Florida, Florida Memory
Weeki Wachee, Underwater Theatre, 1959Source: www.weekiwachee.com
Rainbow River Phosphate Operation, 1900’sSource: floridastateparks.org
Impacts Over Time
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FLO
W A
ND
DIS
CH
AR
GE
WA
TE
R Q
UA
LIT
Y
FISH
AN
D W
ILD
LIFE
HA
BIT
AT
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Snapshot of NO3 Concentrations in Select SWFWMD Springs (mg/L)
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Nitrate Concentration and Population Growth
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Habitat Loss
Kings Bay 1944Kings Bay 2010
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Land‐Use Change
Kings Bay
Kings Bay
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Flow Change from Consumptive Use
Spring County
Change in Average Annual Flow Attributable to Consumptive Use
Change Total Flow Change*
Rainbow Marion -1% -7.3 cfs
Kings Bay Group Citrus -0.9% -3.9 cfs
Homosassa No. 1 Citrus -0.9% -0.7 cfs
Chassahowitzka Main Citrus -1% -0.7 cfs
Weeki Wachee Hernando -6% -11.0 cfs
* Consumptive use impact based on Northern District Model
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Overall Approach
Education & Outreach Minimum Flows and Levels Monitoring & Research Promote Conservation Restoration Projects Land Acquisition
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Restoration on Two Fronts
• Stormwater Retrofits• Sinkhole Clean‐ups• Treatment Wetlands• Low Impact Development• Expansion of Reuse
1. In the Springshed – nutrient reduction2. In the Rivers and Bays – habitat
restoration
• SAV Re‐vegetation• Living Shorelines• Exotic Species Removal• Sediment Removal
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BEFOREBEFORE
AFTERAFTER
BEFOREBEFORE
AFTERAFTER
Weeki Wachee Sediment Removal and Re‐vegetation
Completed 2009Project cost: $592,515
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Unexpected Issue
January 14, 2009
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Photo by: Curt Bower,© 2009
Weeki Wachee at Night
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Weeki Wachee Volunteer Lyngbya Removal Event
Before After
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Chassahowitzka Sediment RemovalCompleted 2013
Project cost: $650,090
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Chassahowitzka Archaeology
1941
6,000 – 3,000 BC
100 AD
Unknown
1800’s
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Project Type No. of Projects Proposed SWFWMD Funding(subject to Governing Board
approval)
Restoration 24 $4,572,500
Data/Research 19 $1,907,000
Education 1 $60,000
MFL Development 6 $288,000
Total: 50 $6,827,500
FY14‐15 SWFWMD Springs Initiative Projects
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Current District Springs ActivitiesThree Sisters Springs
Construction of 8 acre wetland and hydric hammock to treat 100 acres of commercial and residential development.
Kings BayThree Sisters
Treatment Wetland
Kings BayThree Sisters
Treatment Wetland
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Current District Springs ActivitiesThree Sisters Springs
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Current District Springs ActivitiesKings Bay – Hunters Cove
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Northwest Florida Water Management District
William O. ‘Bill’ CleckleyDirector, Division of Land Management & Acquisition
[email protected](850) 539‐5999
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Why Protect and Restore?• Econfina Creek is the “Drinking Water Supply for Bay County and Surrounding Area”
• Threats to Springs Unauthorized Access Recreation Degradation Sovereignty Issues
Typical Summer DayAt Gainer Springs
Pitt, Sylvan & Williford Spring Runs
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Econfina Springs Complex Phase I: Pitt & Sylvan Springs
Timeline• Project initiated in 2007• Numerous Public Workshops held• Construction
– May 2010 ‐ January 2011• Site closed
– January 2011 ‐May 2012 • Grand Opening
– May 2, 2012
• Total Project Cost: $1.71M
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Pitt Spring 2005‐2009(exacerbated by drought)
Clogged by DebrisShoreline Degradation
Pitt Spring on a Good Day
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Pitt Spring Conceptual Design
• Shoreline Enhancement
• Expanded Boardwalks
• Spring Entrance Steps (ADA)/Deck
• Expanded Canoe Dock/Ladders
• Picnic Pavilions (3)
• Composting Toilets
• Tube Launch
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Landscape Plant Installation
Unexpected Issue
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“Managing Feet”
To Protect Water Resources& Sensitive Habitats
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Econfina Springs Complex Phase II: Williford Spring
Timeline• Construction
– May 2014 ‐ January 2015• Site Closed
– January 2015 ‐May 2016• Grand Opening
– May 2016– subject to satisfactory site stabilization and landscape plant grown‐in
• Total Est. Project Cost: $1.8M
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Current Condition
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Spring Restoration & Protection
Visitor Parking
Trail Connections
Open‐Air Pavilions
Boardwalk Systems
Spring Access
Spring Bank Restoration
Canoe Dock
Development Plan
Restroom Facilities
Site LandscapeRestoration
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Pitt SpringPitt Spring
Sylvan SpringSylvan Spring
Williford SpringWilliford Spring
Connector Tra i lInterpretive Boardwalk / Trail Loop
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Join us in theeffort to restoreour springs!
Join us in theeffort to restoreour springs!
WaterMatters.org/springsand
www.nwfwater.com