Introduction

Figure 1

Mercury concentration in Lake Champlain fish tissue

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Figure 2

Reported public beach closures on Lake Champlain

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Figure 3

Combined sewer overflows in the Lake Champlain Basin

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Infographic

Cyanobacteria formation

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Figure 4

Cyanobacteria monitoring reports on Lake Champlain

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Figure 5

Annual phosphorus loading to Lake Champlain by land cover

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Infographic

Load vs. concentration

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Figure 6

Annual average phosphorus concentration by Lake segment

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Figure 7

Phosphorus loading to Lake segments compared to TMDL limits

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Figure 8

Annual phosphorus load from wastewater treatment facilities by jurisdiction

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Figure 9

Annual average ratio of nitrogen to phosphorus in Lake Champlain

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Figure 10

Annual average chloride concentration in Lake Champlain

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Figure 11

Landlocked Atlantic salmon habitat access in Lake Champlain tributaries

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Figure 12

Seasonal air temperature trends in Burlington, Vermont

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Figure 13

Surface freeze-over of Lake Champlain

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Figure 14

Probability of Lake Champlain surface freeze-over

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Figure 15

First detection of aquatic non-native and invasive species in Lake Champlain

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Figure 16

Non-native species threats to the Lake Champlain Basin from connected waterways

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Figure 17

Annual sea lamprey wounding rates in Lake Champlain 

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Figure 18

Waterbodies with aquatic invasive species visited prior to launch into Lake Champlain

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Figure 19

Invasive water chestnut coverage in Lake Champlain

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Figure 20

Public beaches on Lake Champlain and conserved lands in its watershed

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Figure 21

State park and campground visitation in the Lake Champlain Basin

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Figure 22

Lake Champlain boat launch steward program summary, 2018–2020

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