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Ohio Department of Natural Resources

Water Resources

• Groundwater Information
• National Institutes for Water Resources
• National Water Conditions, U.S. Department of the Interior U.S. Geological Survey
• Water Resources Photo Library
• United States Geological Survey (USGS) Water Resources by State
• Hydrology Related Internet Resources

Water, Soil and Air Quality

• National Extension Water Quality Database
• National Agricultural Library (NAL) Water Quality Information Center
• Water Quality Fact Sheets, University of Nebraska Cooperative Extension
• Water Quality Topics, Florida Agricultural Information Retrieval System (FAIRS)
• Drinking Water Supply and Sanitation, FAIRS
• Drinking Water Related Publications, Ohio State University Extension
• Office of Ground Water and Drinking Water, Environmental Protection Agency
• Air and Water Quality Sites, Galaxy Database

Water Quality Projects and Laboratories

• Management Systems Evaluation Area (MSEA)
• Lake Erie Agricultural Systems for Environmental Quality
• Farm*A*Syst and Home*A*Syst
• National Water-Quality Assessment (NAWQA) Program
• Water Quality Program, California Department of Water Resources
• Heidelberg College Water Quality Laboratory
• National Soil Tilth Laboratory, USDA-Agricultural Research Service
• Great Lakes Environmental Research Laboratory
• Great Lakes Information Network

Wetlands

• Olentangy River Wetlands Research Project
• Hydric Soils of the United States
• National Wetlands Inventory
• Wetlands Information, Environmental Protection Agency

Forestry

• USDA Forest Service
• Ohio Forestry Information
• Additional Forestry Links

Fish and Wildlife Management

• US Fish and Wildlife Service
• The Fish and Wildlife Information Exchange

Economics Public Policy

• Political, Economic and Environmental Data Sources
• Environmental Economics Using GIS, School of Environmental Sciences, England  

General Environmental Information

• Enviro Web
• Environmental News Network
• Earthweek, A Diary of the Planet
• Earth Viewer
• ECONET
• BookNet Subject Category Habitat and Species Conservation
• Agricultural Biological Environmental Links, ASAE

Environmental Related Organizations

• Environmental Working Group
• Committee for the National Institute for the Environment
• Greenpeace
• Sierra Club
• The American Water Works Association (AWWA)