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Lake Howell Hydrilla and MSBU Presentation
November 20, 2014
About Hydrilla
Hydrilla verticillata Exotic Grows quickly Chokes native species Impedes navigation Can cause fish kills, odors
About Hydrilla
About Hydrilla
One square meter of hydrilla can produce
5,000 tubers
Lake Martha 2011
Tuber production starts
in October
Must plan for the future
GenTest Cost: $935.00
(paid by Seminole County)
Hydrilla Management and Resistance
About Hydrilla
Hydrilla Control Methods Mechanical ($$$$)
Expensive Temporary Can make worse
Chemical ($ - $$$) EPA approved herbicides Greater species selective Good for large and small control needs
Biological ($) Triploid Grass Carp Used as part of maintenance, not control
Integrated Lake Management Plan
+ +
SAV & Lake Howell (Submersed Aquatic Vegetation)
0.73 ac SAV Mapping 2010
1 ac
SAV Mapping 2012
43 ac *hydrilla present
1 ac
SAV Mapping 2013
+70 ac
SAV Mapping 2014
+163ac
TSI Data
Aquatic Plants!!!
Biological Monitoring Lake Vegetation Index (LVI)
(collected annually)
2007: 35 impaired 2008: 34 impaired 2009: 34 impaired 2010: 47 healthy 2011: 47 healthy 2012: 44 healthy 2013: 41 impaired 2014: 23 impaired
Biological Monitoring Macroinvertebrate Sampling (LCI)
(collected annually) 2004: poor 2005: poor 2006: very poor 2007: very poor 2008: good 2009: poor 2010: poor 2011: good 2012: very good 2013: very good
Lake Management Program
What we do…
Importance of Rapid Response
Lake Management Program
•Establish Lake Management Plan with Liaisons •Technical oversight for Hydrilla Management •Vendor/Contract Management •Invasive Shoreline Management •Shoreline Restoration Workshops
After Before
14 MSBU waterbodies range from 4 ac to 800 ac; most with hydrilla
BCC recognition provides cost share
MSBU Lakes and LMP
LMP 2015 Contribution: •Product $25,000 •Sonar Treatment Testing
FasTests $900 oSamples every 14-21 days oOvernight Shipping costs
EffecTest $500
Eelgrass Management Anger Management
For FWC Permitting Info:
Invasive Plant Management Section Regional Biologist: Alicia Knecht Alicia.Knecht@MyFWC.com 321-246-0682
Eelgrass Management
Access Corridor Example
Shoreline Management
Torpedo grass
Cattail
Salvinia
Water lettuc
Water hyacinth
Does the County have a program that
offers the financial management services
needed to support the immediate and
long-term management of Hydrilla at
Lake Howell?
Municipal Services Benefit Unit Program
Resource Management Department
Kathy Moore, Program Manager Carol Watral, Project Manager
Establishing & managing funding for public services that offer local benefit.
Overview
What is an MSBU?
How does one get created?
What is the estimated cost for long-term management of hydrilla at Lake Howell?
What cost share (assessment) would be expected based on these costs?
What is the time line?
What is an “M-S-B-U” ? Funding Alternative [Assessment District]
Established by ordinance of local government
Provides funding for a municipal (public) service with a local benefit
A cost share (assessment) is collected from owners of property benefiting from the public service
Cost sharing is allocated on unit(s) of benefit
Collected annually via Property Tax Bill (eligible for early payment discount up to 4%)
How is an MSBU created? 1
Apply 1 Application – 1 fee $550
2
Define Scope & Assessment Boundary Hydrilla Management -Integrated approach
Inclusive of 85 Lakefront Properties - Extends to Common Element Land Associated Parcels
3
Petition to Determine Support 65% Support Rate required = 55 of the 85 Lakefront Properties
Primary Petition to establish % of 85; and several secondary petitions to establish CE Land Response
4
Create by Ordinance Public Hearing
5
Implement & Assess Fund Advance early 2015 & Initial Assessment – 2015 Property Tax Bill (November)
An MSBU
for Hydrilla Management
at Lake Howell?
Key Factors Multiple Government Jurisdiction City of Casselberry Unincorporated Seminole County Broad mix of Property Types on lake Single Family Residential Common Element Land Apartment Grazing Church Camps/Clubs Submerged Land Government Owned
Potential for Land Development Essential Need to Treat - Timing Critical Hydrilla high nuisance, high growth, high uncertainty, high
maintenance, high cost
Assessment Boundary
85 Lakefront Properties Exclusions Submerged Land Government Owned
How will the costs be allocated to benefiting property?
Benefit Unit [BU] Methodology 1)Base Benefit - Lakefront property [≤Average Waterfront]
2)Lake Frontage >Average Waterfront
3)Right of Use [ROU]
1 + 2 + 3
What are the projected costs to manage Hydrilla per current conditions?
1. Whole Lake Treatment - Early 2015 $ 190,300 Estimated Cost
- 25,000 Herbicide Product Contribution of $25,000 by LMP
$ 165,300 Balance Funded by Loan [MSBU Program Projects]
2. On-Going FY1516 FY1617 FY1718 FY1819
"Spot" Treat/Integrated/Admin ~$ 53K ~$ 53K ~$ 53K ~$ 163K Installment (Loan Payment) 1st 2nd 3rd Contingency (Reserve) Varies Varies Varies Varies
What is the $ amount per Assessment Component?
Allocation Per Component Based on 5 Yr Estimated Cost & Preliminary Information
(1) $725.00 Per Lakefront Parcel
(2) $ 0.90 Per Foot > Average Wtrfrt
(3) $ 38.00 Residential: 1 Per Parcel Common Element Land: 1 Per Associated Parcels Other: Varies By ROU Characteristics All: Minimum 1
1 + 2 + 3 Benefit Unit [BU] Methodology
Examples (1) (2) (3) Total Annual Assessment
Assessment Allocated to
Associated Parcels
SFR Residential ≤ Aver WtrFrt
$725 $0 $38 $763 NA
Common Element Land Sausalito Shores HOA $725 $68
[75 ft *$ .90] $10,525 [$38*277] $11,318 $41.00
Apartment Complex $725 $770 [855 * $ .90]
$15,504 [$38*408] $16,999 NA
Church (Separate Assessments for
Grazing & Vacant Waterfront Parcels)
$725 $1,010 [1123*$.90]
$1,596 [$38* 40] $3,255 NA
Based on 5 Yr Estimated Cost & Preliminary Information
What is the per property assessment?
Estimate for Supplemental Services – Permitted Species as Noted by LMP Does NOT include other Submersed Species Add ~ $100.00 to component (1)
Questions?
(Next steps & time line to follow MSBU Q&A period)
Timeline?
1
Apply Receive By
December 1, 2014 2
Review 2 Weeks
3
Petition Petition to Close no later than
January 14, 2015
4
Create Public Hearing no later than
February 24, 2015 5
Implement &
Assess
Treatment: By mid-March 2015 Initial Assessment: Tax Year 2015
(Bill November 2015 - due by March 31, 2016)
Treatment Timeline
Hydrilla Treatment
Feb/March preferred time for whole lake treatment
Summer treatment discouraged
Can cause algae blooms Can cause fish kills & foul odors
Hydrilla Treatment scheduled for March 2015 Biomass reduction in 2-3 months
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