A. Aquatic Invasive Species Program 2012 Annual Report . ,
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Program Background
• In 2010, Zebra Mussels were discovered in Lake Minnetonka.
• Over 100 Minnesota lakes and waterways have been confirmed as
containing zebra mussels.
• Concern over the close proximity of an abundant Zebra Mussel
population prompted the Lotus Lake Conservation Alliance to initiate a
volunteer -led AIS Inspection Campaign at the South Lotus Lake Park
Public Boat Access in 2011.
• In 2012, the City of Chanhassen initiated an Aquatic Invasive Species
Program at three City -owned and operated public water accesses — Lake
Ann, Lake Susan and Lotus Lake.
• The Lotus Lake Conservation Alliance (LLCA) continued to fill a portion
of the unstaffed hours at the Lotus Lake Public Water Access with
volunteer inspectors.
• The MnDNR also conducted watercraft inspections at the Lotus Lake
Public Water Access in 2012.
Program Description
In 2012, the City of Chanhassen initiated an Aquatic Invasive
Species Program with defined action steps:
• Watercraft Inspection Program
• Best Management Practices for Water Accesses
• Grants and Collaboration with other Project Partners
• Public Awareness and Education on AIS
Watercraft Inspection Program
• The City of Chanhassen contracted with Volt Workforce
Solutions to staff the City's Watercraft Inspection Program.
• The inspections were conducted on a voluntary basis — no
refusals to comply with the voluntary inspections were
reported.
• Inspectors were certified as Level 1 inspectors through an
MnDNR -led Aquatic Invasive Species AIS Watercraft
Inspection Training Program.
• Inspectors were stationed at all three City -owned public
water accesses at peak use times.
• All Carver County Deputies also received training in
watercraft inspection and were certified as Level
Inspectors.
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PHOTO COU RTESY OF RICHARD C
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CHANygSSEN VILLAGE- R_
2012 Watercraft Inspection
Program Summary
• The city inspection program included three lakes — Lake Ann, Lake Susan and Lotus Lake.
• Inspectors worked a total of 2,655 hours concentrated Friday through Sunday and on Holidays —
May 12th through September 30tH
• inspectors were also scheduled Monday thru Thursday at Lotus Lake during peak launch times.
• A total of 2,834 inbound and outbound inspections were completed for an overall inspection rate
of 1.07 inspections per hour.
• The Lotus Lake public water access had a rate of 1.7 inspections per hour — generally three times
the level of activity at Lake Ann and Lake Susan.
• Fishing boats were the most common watercraft inspected, followed by runabouts and personal
watercraft.
• Of the watercraft inspected upon entering a lake, 72% had been out of the water for three or
more days, 22% had been out of the water one day or less, and 6% had been out of the water
two days.
• Of the watercraft inspected upon exiting a lake, 84% had been in the water one day or Tess, 15%
had been in the water three days or more, and 1% had been in the water two days.
• Launches tallied by weekday were concentrated to Friday, Saturday and Sunday (74 %).
lake Ann
Arrivals in Violation
*1 Violator from Zebra Mussel Waterbody
No - 263
96%
Yes - 11
4%
lotus lake
Arrivals in Violation
*14 Violators from Zebra Mussel Waterbody
(1 Violator with Zebra Mussel found)
No - 1434
94%
t
Yes - 85
6%
t ire *Volt-
R � S •
_ n
Y
lake Susan
Arrivals in Violation
*1 Violator from Zebra Mussel Waterbody
No -308
95%
Yes -15
5%
Program Summary, continued
• Of the watercraft inspected upon entering a lake, 13% were arriving
from zebra mussel infested waters.
• Of the violations found at the time of entering a water body,
102 were first -time violators and 9 were second -time violators.
• Of watercraft inspected upon exiting a lake, 18 % exhibited some
kind of violation.
• Throughout this report, "violations" refers to a violation of Aquatic
Invasive Species state law governing the transport of watercraft.
• The most common violation was the transport of aquatic vegetation
on a watercraft or trailer, followed by failure to transport with the
drain plug removed. A distant third was transporting a watercraft
with water on board.
• A single zebra mussel was identified after being transported to the
Lotus Lake public water access.
2012 Watercraft Inspection Program
Financial Statement
Program Revenue:
Riley- Purgatory -Bluff Creek Watershed District $25,000
City of Chanhassen $10,000
MN Dept. of Natural Resources $7,500
Lotus Lake Conservation Alliance $7,050
TOTAL $49,550
2012 Watercraft Inspection Program
Financial Statement
Program Budget:
Inspections: 2,508 @ $15.75 each $39,501.00
Supervision: 150 hours @ $15.75 $2,362.50
Training: 100 hours @ $15.75 $1,575.00
Equipment /Materials /Uniforms $1,863.00
Total $45,301.50
Actual Program Expense:
Volt Workforce Solutions $42,000
Program Administration costs (approx.) $13,700
Best Management Practices for Water Accesses
• On February 27, 2012, staff reviewed proposed action steps for a 2012 Aquatic Invasive
Species Program, including proposed best management practices (BMP) for city -owned boat
access sites with the City Council.
• The goal is to educate the public about the presence of aquatic invasive species (AIS) in our
environment and how best to avoid spreading these species.
• Existing BMPs were inventoried and proposed BMPs were evaluated for both entering and
exiting watercraft.The Minnesota Department of Natural Resources delivered a variety of AIS
education signage to the city for installation at public water locations.
• Signage kiosks were manufactured and installed at all three city -owned public water access
locations and a "clean in /clean out" street stencil was purchased to facilitate painting this
message on the in -bound and out -bound approaches to each access.
• In total, $4,900 was invested in materials and supplies for Best Management Practices for
water access improvements.
• The largest portion of the 2012 BMP proposal, $11,400 for additional asphalt, was not
completed to minimize additional hard surface areas at the landings.
• The city will continue to procure and install AIS educational signs as they become available
and implement any new BMPs that are identified and approved.
Grants & Collaboration with other Project Partners
• City Council and staff have worked with numerous agencies and organizations in an effort to protect area lakes from
infestation by aquatic invasive species. Discussions between the Minnehaha Creek Watershed District and officials
from area municipalities were initiated on March 10, 2011. Subsequent to this meeting, additional organizations
became involved in seeking a solution including the MN Department of Natural Resources, Carver County Parks,
Riley- Purgatory -Bluff Creek Watershed District (RPBCWD) and Iakeshore associations and homeowners from
Minnewashta, Christmas and Lotus Lake.
• As a result of this collaboration, the City of Chanhassen, RPBCWD, and the Lotus Lake Clean Water Alliance
participated in a program to inspect watercraft entering and exiting Chanhassen area lakes with a city -owned access
point. In addition, the Department of Natural Resources offered training for inspections and funds to help defray
the costs of the inspection program. The cost of the program was divided between the participants as follows:
Riley- Purgatory -Bluff Creek Watershed District $25,000
City of Chanhassen $10,000
MN Dept. of Natural Resources $7,500
Lotus Lake Conservation Alliance $7,050
• The City of Chanhassen administered the program and performed all database management and reporting and
other tasks necessary to comply with grant requirements. The city also was responsible for installation and
maintenance of signage.
• The Minnehaha Creek Watershed District collaborated with the Christmas Lake Association, the Lake Minnewashta
Association and Carver County Parks to administer similar programs on Christmas Lake and Lake Minnewashta. The
public water access for Lake Minnewashta is owned by Carver County Parks and the Christmas Lake public water
access is located in Shorewood.
Public Education and Education on AIS
• The City of Chanhassen sponsored a public meeting on aquatic invasive species at the
Chanhassen Recreation Center on October 29, 2011. This meeting is available online on
the City's website, as are numerous links to other educational resources concerning
aquatic invasive species, as well as general lake management information. Staff from the
MN Department of Natural Resources, the Lotus Lake Clean Water Alliance, the Christmas
Lake Association as well as staff members from the City of Chanhassen and other
concerned community members provided input at this meeting.
• During the 2011 boating season, the city received signs from the Minnesota Department
of Natural Resources that were placed at the Lotus Lake boat launch. In 2012, additional
signage was added at Lake Susan and Lake Ann. Other methods to disseminate
information included literature and pamphlets available at city offices and collaborating
with Minnehaha Creek Watershed District and Carver County Environment and Natural
Resources on drafting articles for the Connection, the Villager and other publications.
2013 Program Recommendation
Maintain Current Project Partners, Inspection Hours, and Funding Sources:
• 714 Hours at Lake Ann from Memorial Day to Labor Day
• 714 Hours at Lake Susan from Memorial Day to Labor Day
• 1,227 Hours at Lotus Lake from Fishing Opener to the end of September
Funding Sources:
Riley- Purgatory -Bluff Creek Watershed District $25,000
RPBCWD has confirmed they will participate again at this level in 2013
City of Chanhassen $10,000
The city will also provide program administration
MN Dept. of Natural Resources $7,500
The city will make final application for this grant in December 2012
Lotus Lake Conservation Alliance $7,050
TOTAL $49,550