HomeMy WebLinkAboutSept2025_Watershed PresentationWelcome!
Community Engagement Committee
September 18, 2025
District Managers
2
Bruce Loney Frank Boyles Cristian Morkeberg
Beverly Burnett Matt Tofanelli
District Staff
3
Joni Giese
Teresa GostonczikJeff Anderson
Emily Dick Danielle Studer
Zach Nagel
9/19/2025 4
Water Quality
•Maintain of improve quality of
water resources
Aquatic Invasive Species
•Manage existing and prevent new
Aquatic Invasive Species (AIS)
Flood Mitigation
•Reduce Flooding Impacts
Three Guiding
Principles of
the
Lakes of the City of Prior Lake
Tier 1 Lakes
•Lower Prior Lake
•Upper Prior Lake
•Spring Lake
Tier 2 Lakes
•Pike Lake
•Arctic Lake
Tier 3 Lakes
•Jeffers Pond
•Haas Lake
•Crystal Lake
•Rice Lake
Lakes of the City of Prior Lake
Tier 1 Lakes
•Lower Prior Lake
•Upper Prior Lake
•Spring Lake
Tier 2 Lakes
•Pike Lake
•Arctic Lake
Tier 3 Lakes
•Jeffers Pond
•Haas Lake
•Crystal Lake
•Rice Lake
Lower Prior Lake
Lower Prior Lake
Lower Prior Lake
Inside the
Outlet
Structure
Lower Prior Lake
Upper Prior Lake
Upper Prior Lake
2nd Half of 2020 dose coming 2026
Aquatic Invasive Species Success - Upper Prior Lake Carp
Significantly reduced carp populations in Upper Prior Lake
453.5 453.5
332.9 303.8
249.9
211 190.2
36.8
0
5
10
15
20
25
30
35
40
45
0
50
100
150
200
250
300
350
400
450
500
2017 2018 2019 2020 2021 2022 2023 2024
Ca
r
p
R
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1
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0
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)
St
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a
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P
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p
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l
a
t
i
o
n
(
k
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Upper Prior Lake
Carp Removals (lbs)Population (kg/ha)Maintenance Threshold
Aquatic Invasive Species Success - Upper Prior Lake Carp
Significantly reduced carp populations in Upper Prior Lake
453.5 453.5
332.9 303.8
249.9
211 190.2
36.8
0
5
10
15
20
25
30
35
40
45
0
50
100
150
200
250
300
350
400
450
500
2017 2018 2019 2020 2021 2022 2023 2024
Ca
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p
R
e
m
o
v
a
l
(
1
,
0
0
0
l
b
s
)
St
a
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t
o
f
Y
e
a
r
P
o
p
u
l
a
t
i
o
n
(
k
g
/
h
a
)
Upper Prior Lake
Carp Removals (lbs)Population (kg/ha)Maintenance Threshold
Spring Lake
FeCl Improvements
•“Powerhouse” for nutrient reduction
•Removes almost 60% of the phosphorous that is readily available to algae
•Updates to the system are currently under construction
Swamp Iron Enhanced Sand Filter
•Most upstream project, long downstream benefit
•Funding support from Clean
Water Funds, Watershed
Based Implementation Funds and Spring Lake Township
•Construction underway now!
Spring Lake West Iron-Enhanced Sand Filter
•Critical location for filtering water high nutrient water before reaching Spring Lake
•Design in Fall 2025 and Construction
expected 2026 or 2027
Pike Lake
Pike Lake
Arctic Lake
Haas and Crystal Lakes
Education and Outreach
Watershed Week
Thank you!
Questions?
Danielle Studer
dstuder@plslwd.org
952-440-0069