B-1. 2014 AIS Annual ReportIUATIC INVASIVE SPECIES PROGRAM
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Program Background
• 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.
• Funding partners include the Riley Purgatory Bluff
Creek Watershed District, Lotus Lake Conservation
Alliance, Minnesota Department of Natural
Resources and the City of Chanhassen.
• The MnDNR has also conducted watercraft
inspections at the Lotus Lake Public Water Access.
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Watercraft Inspection Program
• The City of Chanhassen contracts with Volt Workforce
Solutions to staff the City's Watercraft Inspection Program.
• The inspections are conducted on a voluntary basis — no
refusals to comply with the voluntary inspections have
been reported.
• Inspectors are certified as Level I inspectors through a
MnDNR -led Aquatic Invasive Species (AIS) Watercraft
Inspection Training Program.
• Inspectors are stationed at all three city -owned public water
accesses at peak usage times.
• Carver County deputies have also received training in watercraft
inspection and watercraft transportation.
nDNR
atercraft
Inspection
Certification
Training
Chanhassen
Recreation
Center
2014 Watercraft Inspection Program
Program Summary
• The city inspection program included three lakes —Lake
Ann, Lake Susan and Lotus Lake.
• Inspectors were scheduled to work 3,236 hours from
May 10t" —Nov. 15t" (program concluded five days
early due to cold temperatures).
• The MnDNR also completed 545 hours of inspections
at Lotus Lake through a grant received by the Riley
Purgatory Bluff Creek Watershed District.
Program Summary, continued
• A total of 3,856 inbound and outbound inspections
were completed for an overall inspection rate of 1.02
inspections per hour.
• The Lotus Lake public water access is the most
popular with an arrival inspection rate of 0.67
watercraft per hour.
• Lake Susan saw an arrival inspection rate of 0.42
watercraft per hour.
• Lake Ann (non - motorized) experiences the lowest
level of boating with 0.35 watercraft inspections per
hour or one boat every three hours.
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Program Summary, continued
• The most common violation was the transport of aquatic
vegetation on a watercraft or trailer (1.73 %), followed by
failure to transport with the drain plug removed (1.08 %).
• The third most common violation was transporting a
watercraft with water on board (0.33%).
• The least common violation was the transport of zebra
mussels (0.14 %).
Zebra Mussels Found
• Inspectors identified that zebra mussels were transported on three
occasions.
• Watercraft arriving at the Lotus Lake boat landing with zebra
mussels attached were stopped on June 8, August 5 and
September 7, 2014.
• The boat arriving on June 8 at 8:23 am had last been on Prior Lake.
The boats arriving on August 5 at 7:18 pm and on September 7 at
12:41 pm had last been on Lake Minnetonka.
• The zebra mussels identified were attached to the watercraft,
watercraft trailer, or vegetation attached to the trailer.
• In concordance with MnDNR protocol, the boaters were notified of
the violation and the found zebra mussels were removed by hand
or through a washing process prior to launching.
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Total Inspections
Total
3856
Susan
546
Ann
452
Lotus
2858
Total Arrivals
2136
301
251
1584
Number arriving with plug in place
63
10
3
50
Percent arriving with plug in place
2.95%
3.32%
1.20%
3.16%
If plug was in, people were asked if it was in when they arrived.
Number who say they arrived with plug in
23
2
1
20
Percent who say they arrived with plug in
1.08%
0.66%
0.40%
1.26%
Number arriving with aquatic plants
37
8
2
27
Percent arriving with aquatic plants
1.73%
2.66%
0.80%
1.70%
Number arriving with zebra mussels
3
0
0
3
Percent arriving with zebra mussels
0.14%
0.00%
0.00%
0.19%
Number arriving with water on board
7
0
0
7
Percent arriving with water on board
0.3396
0.00%1
0.00%1
0.44%
2014 Watercraft Inspection Program Revenue
Revenue:
Riley- Purgatory -Bluff Creek Watershed District
City of Chanhassen
MN Department of Natural Resources
Lotus Lake Conservation Alliance
TOTAL
$23,235
$12,058
$4,000
$12,548
$51,841
2014 Watercraft Inspection Program Budget
Budget:
Inspections: 3,236hrs x $16.02 = $51,840.72
Total $51,840.72
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Inspection Recording
• Utilization of Apple iPad mini - tablets and the
MnDNR watercraft inspection application has:
• Improved accuracy of recorded data
• Eliminated duplication in data analysis
• Reduced overall program costs
■ Improved efficiency of the program
State of Minnesota Aquatic Invasive
Species Prevention Aid Dollars
• The State of Minnesota is allocating Aquatic
Invasive Species (AIS) Prevention Aid Dollars
directly to Minnesota counties.
• It is currently unknown how Carver County
will be investing these new AIS prevention
dollars ($132,602 in 2015).
• Carver County may elect to award AIS grants
to cities and other organizations.
2015 Program Recommendation
Maintain Current Project Partners, Approximate Inspection Hours and
Funding Sources:
• 714 Hours at Lake Ann from Memorial Day Weekend to Labor Day
• 714 Hours at Lake Susan from Memorial Day Weekend to Labor Day
• 2,098 Hours at Lotus Lake from Memorial Day Weekend to the end
of September
Funding Sources:
Riley- Purgatory -Bluff Creek Watershed District
Lotus Lake Conservation Alliance
City of Chanhassen (the city also provides program administration)
MnDNR (final grant application will be made in December 2014)
TOTAL
i
$25,000
$15,000
$12,500
$4,000
$56,500
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