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in the Great Lakes Region

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Environment:  Air and Land | Water | Flora | Fauna | Pollution

General Resources
Illinois Bureau of Water
Illinois Environmental Protection Agency

Illinois Office of Water Resources
Illinois Department of Natural Resources (DNR)

Illinois State Water Survey

Indiana Division of Water
Indiana Department of Natural Resources (DNR)

Indiana Office of Water Management
Indiana Department of Environmental Management

Michigan Surface Water Enforcement Unit
Michigan Department of Environmental Quality (DEQ)

Michigan Water Division
Michigan Department of Environmental Quality (DEQ)

Minnesota Water Division
Minnesota Pollution Control Agency

Minnesota Waters Division
Minnesota Department of Natural Resources (DNR)

New York Division of Water Resources
New York Department of Environmental Conservation (DEC)

Ohio Division of Water
Ohio Department of Natural Resources (DNR)

Ohio Water Related Programs
Ohio Environmental Protection Agency (EPA)

Ontario Clean Water Agency

Pennsylvania Office of Water Management
Pennsylvania Department of Environmental Protection (DEP)

The Waterhole
The Waterhole, a collaborative project of Environmental Defence, and the Canadian Environmental Law Association, is a meeting place for those concerned about the protection of water. On this site you can find information on legislation and policies, check the latest news, contact groups working on the issue, or find related events.

Wisconsin Division of Water
Wisconsin Department of Natural Resources (DNR)

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Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data

llinois State Water Survey and NWS
Midwestern Climate Center

Canadian Coast Guard, Central and Arctic Region
Marine Environmental Data Service

Canadian Hydrographic Service
Data Acquisition and New Products Division
Tides, Currents and Water Levels Unit

Meteorological Service of Canada

Meteorological Service of Canada
Canadian Ice Service
Canadian Meteorological Centre

International Lake Superior Board of Control
International Niagara River Board of Control
International St. Lawrence River Board of Control

Great Lakes Environmental Research Laboratory
National Data Buoy Center
National Geophysical Data Center
National Ice Center
National Ocean Service
National Snow and Ice Data Center
National Weather Service

National Geophysical Data Center
Marine Geology and Geophysics Division

National Ocean Service
Oceanographic Products and Services Division

National Weather Service
Forecast Offices
Hydrologic Information Center
National Operational Hydrologic Remote Sensing Center
Northeast River Forecast Center
Office of Hydrology
Ohio River Forecast Center

USACE: Buffalo District
USACE: Detroit District

Water Resources Division

U.S. Coast Guard Ninth District

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Centre for Sustainable Watersheds (CSW)
CSW is a non-governmental, non-profit organization, dedicated to facilitating community involvement in water resource protection in Canada.

Crystal Lake Watershed Fund
CLWF is a nonprofit organization of concerned citizens nterested in protecting the integrity of Crystal Lake, Benzie County, Mich.

Finger Lakes Resource Conservation & Development Council, Inc.
As stewards of our soil and water resources as well as advocates of best management practices in the disciplines of agriculture and silviculture, the Council believes mankind can live in harmony with nature.

Fox-Wolf Watershed Alliance
Dedicated to ensuring cost-effective public policy and private action to achieve and maintain high quality surface waters in Wisconsin's Fox-Wolf River Basin.

Friends of the Chicago River
Organized to foster the vitality of the Chicago River for the human, animal, and plant communities within its watershed.

Friends of the Shiawassee River
The organization consists of over 200 residents from Owosso, Mich., Corunna, Mich., and other parts of the Shiawassee River watershed, as well as numerous people from more distant areas that have a personal affinity for the River.

Georgian Bay Association
Representing member associations along Georgian Bay and the inland lakes, the GBA works with water-based communities to ensure the careful stewardship of the greater bay area.

Grand River Conservation Authority
The GRCA manages vital land and water resources in the Grand River watershed.

Michigan Citizens for Water Conservation
Organized for educational and scientific purposes, MCWC's goal is to protect and conserve Michigan's water, natural resources and the public trust in those resources for the benefit of the public.

Michigan Lake and Stream Associations, Inc.
A non-profit corporation comprised of individuals and associations who desire to conserve and improve Michigan's water resources.

Rivers Unlimited
An Ohio statewide river preservation organization working to preserve and restore the state's rivers and watersheds.

Rouge River National Wet Weather Demonstration Project
The Rouge Project recognizes the importance of addressing wet weather pollution problems in the river and developing a cost-effective watershed wide approach to deal with them.

Saginaw Bay Watershed Initiative Network
WIN was created to enhance the quality of life in the Saginaw Bay Watershed by creating regional networks of on-the-ground projects that demonstrate sustainability.

St. Joseph River Watershed
Located in the southwest portion of the Lower Peninsula of Michigan and the northern portion of Indiana, the St. Joseph River Watershed spans the Michigan-Indiana border and empties into Lake Michigan at St. Joseph/Benton Harbor, Michigan.

Tip of the Mitt Watershed Council
Celebrating its 25th year in 2004, the Watershed Council works to maintain the environmental integrity and economic and aesthetic values of lakes, streams, wetlands and ground water in Michigan's northern lower peninsula.

Water Resources Education Network
League of Women Voters of Pennsylvania
WREN is a collaboration among organizations and public officials working for the protection and management of Pennsylvania's water resources through education and informed policy making.

Watershed Organizations in Pennsylvania
Pennsylvania Department of Environmental Protection (DEP)

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Related Resources
GLIN: Great Lakes-St. Lawrence Hydrology
GLIN: Great Lakes-St. Lawrence Water Levels
GLIN: Watersheds in the Great Lakes Region

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Updated: November 24, 2017
Selected Photos: Copyright ©John and Ann Mahan
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