Pontchartrain Basin Clearinghouse

America’s Wetland

American Planning Association

Amite River Basin Commission

Canoe and Trail Adventures

Center for Watershed Protection

Clean Water Network

Coalition to Close the Mississippi River Gulf Outlet

Coalition to Restore Coastal Louisiana

Earthjustice

Earth Force

Envirolink Network

Environmental Education Links

Environmental News Network

EPA's Surf Your Watershed

Fish of Lake Pontchartrain

Gulf Restoration Network

LACoast

Lake Pontchartrain Basin Research Program

Land Trust Alliance

Lake Maurepas Society

League of Women Voters of Louisiana

Local Government Environmental Assistance Network

Louisiana Department of Agriculture and Forestry

Louisiana Dept. of Environmental Quality

Louisiana Department of Health and Hospitals

Louisiana Dept. of Natural Resources

Louisiana Dept. of Wildlife and Fisheries

Louisiana Environmental Action Network

Louisiana Garden Club Federation, Inc.

Louisiana Nature Center

Louisiana Rural Water Association

Louisiana State Legislature

Mississippi River Basin Alliance

National Park Service:
Rivers, Trails, & Conservation Assistance Program Field Office

National Wetlands Research Center

Nonpoint Education for Municipal Officials

North American Association for Environmental Education

Northlake Nature Center

Sierra Club - Louisiana

Smart Growth for Louisiana

St. Bernard Sportsmen's League

Society of Environmental Journalists

Southeast Watershed Forum

State Environmental Resource Center

The Nature Conservancy (Louisiana Field Office)

The Trust for Public Land

University of New Orleans - Coastal Research Laboratory
* For specific information on Lake Pontchartrain on the UNO website click here.

U.S. Army Corps of Engineers
* New Orleans District Office
* Vicksburg District Office

U.S. Environmental Protection Agency

U.S. Fish and Wildlife Service

USGS Real-Time Data for Nitrates around Lake Pontchartrain
* Rigotets at Hwy 90
* Pass Manchac at Turtle Cove near Pontchatula
* Tchefuncte River at Madisonville
* Tangipahoa River below Bedico Creek near Madisonville

Water and Wastewater Industry (waterwebster)