Source Water Protection

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Water Treatment

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Harmonization of species regulations draft copy

Harmful Algal Blooms

Lead in Drinking Water


Lead Inventory Status by Jurisdiction




Stormwater management


Maritime shipping cargo


Coastal wetland acreage


Diverse & Resilient Wetlands: Acreage of Projects


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Percent of Great Lakes Coastal Wetlands protected, by state or province.  By Stephanie Hickel, The Nature Conservancy

Phosphorus throughout the year


Annual Phosphorus Targets

Phosphorus in spring


Spring Phosphorus Targets



Strategies to reduce phosphorus


Sources of Total Phosphorus


In the above graphic, source types may be turned off and onto more closely examine sources within the stacked bar graph.


Domestic Action Plans in place for Lake Erie under the GLWQA


Harmonization of species regulations

Recreational boating AIS prevention programs

Monitoring for priority species and sites

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