Watershed information

• Watershed Map
• Lake Information at Pensacola Dam (U.S. Geological Survey)
• Grand Lake Management Plan
• Grand Lake News Online
• Grand River Dam Authority

Fishing in Grand Lake

• Oklahoma Fishing Regulations
• Grand Fishing Report
• Oklahoma fly fishers
• Oklahoma bass fishing

Tri-State Mining District

• 2003 Fish Tissue Metals Analysis in the Tri-State Mining area
• 2006 Follow-up study of Fish Tissue Metals Analysis in the Tri-State Mining area

Local environmental groups

• L.E.A.D. Agency
• Grand Lake Watershed Alliance Foundation
• Elk River Watershed Improvement Association
• Waterkeeper Alliance – Grand Riverkeeper
• Spring River Wraps

Tribal environmental Programs

• Cherokee Tribe
• Eastern Shawnee Tribe
• Miami Tribe
• Modoc Tribe
• Ottawa Tribe
• Peoria Tribe
• Quapaw Tribe
• Seneca-Cayuga Tribe
• Wyandotte Tribe

State Environmental Resources

• Oklahoma Department of Environmental Quality (ODEQ)
• Oklahoma Department of Wildlife Conservation
• Oklahoma Water Resources Board
• Oklahoma Conservation Commission
• Oklahoma Office of the Secretary of Environment

Fish consumption advisories

• Tar Creek Area and Grand Lake (zinc, lead and cadmium)
• State of Oklahoma
• National fish and shellfish advisory information
• Saltwater (marine) fish
• Mercury in Fish: A Guide to Healthy Fish Consumption in Oklahoma

Mercury, Health, and the Environment

• Agency for Toxic Substances and Disease Registry
• U.S. Environmental Protection Agency (EPA)