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Great Lakes Nearshore Waters: Water Quality
Great Lakes
Lake Superior
Lake Huron
Lake Erie
Lake Ontario
Nearshore Framework
water quality
ecosystem health
cumulative stress
Contaminants in Water & Sediment
Water Quality
Summary of water quality data, by the number of exceedances of contaminants with published guidelines, at provincial and federal survey stations in Canadian Great Lakes nearshore waters; data is part of the Overall Assessment of the State of Nearshore Waters.
<DIV STYLE="text-align:Left;font-size:12pt"><DIV><DIV><P><SPAN><SPAN>This data was derived as part of the Overall Assessment of the State of Nearshore Waters. Contaminants in water can have acute and chronic impacts on aquatic organisms that depend on water for some part of their life cycle. </SPAN></SPAN></P><P><SPAN>The number of exceedances of contaminants with published Provincial Water Quality Objectives or Canadian Water Quality Guidelines for the Protection of Aquatic Life has been summarized for each station</SPAN><SPAN>, using the most recent sampling years</SPAN><SPAN>. </SPAN><SPAN>In Lake Ontario, the most recent MECP sampling years are 2006, 2009, 2012; in Lake </SPAN><SPAN>Erie</SPAN><SPAN>,</SPAN><SPAN>2007, 2010, 2014 and 2016; Lake Superior from </SPAN><SPAN>2016 & 2019 (ECCC) and 2011 </SPAN><SPAN>(</SPAN><SPAN>MECP</SPAN><SPAN>); and Lake Huron from 201</SPAN><SPAN>5</SPAN><SPAN>, 2017 & 2018 (ECCC)</SPAN></P><P><SPAN>Data is from the Ontario Ministry of Environment, Conservation and Parks Great Lakes Nearshore Index Station Network </SPAN><SPAN>and </SPAN><SPAN>ECCC's Great Lakes Water Quality Monitoring and Surveillance Data</SPAN><SPAN>.</SPAN></P><P><SPAN>Low Stress: 0 exceedances; Moderate Stress: 1 - 2 exceedances; High Stress: >2 exceedances</SPAN></P></DIV></DIV></DIV>
Environment and Climate Change Canada (ECCC) - Strategic Policy Branch - RDGO
ECCC Great Lakes Water Quality Monitoring and Surveillance Data and MECP Great Lakes Nearshore Index Station Network - Water Chemistry