A:
Agricultural chemicals. - Overview of the Toxic Substances Hydrology Program role in investigating the occurrence and fate of agricultural chemicals with links to investigations, headlines, on-line fact sheets, new publications, bibliographies and photo gallery. [Department of the Interior, U.S. Geological Survey (USGS)]

C:
Compliance and Enforcement - Information about environmental requirements. [Department of Agriculture (USDA)]

Conservation and Production Research Laboratory (CPRL) - Research in water management and irrigation, renewable energy sources, and reduce environmental risks posed by accumulations of feedlot wastes [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Crop Science Research Laboratory (CSRL) - Research in genetics and molecular processes in cotton and corn and improve nutrient removal from lands heavily fertilized with waste [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

M:
Manure Management - Key Topic (ERS) - Provides the customer with ERS expert analysis of the extent of manure problems, their economic and environmental implications, and the economics of management practices. [Department of Agriculture (USDA), Economic Research Service (ERS)]

N:
National Agriculture Compliance Assistance Center - Is the first stop for information about environmental requirements that affect the agricultural community [Environmental Protection Agency (EPA)]

Natural Resources and Environment - Information on sustainable soil and water conservation and management practices, whole farm environmentally-friendly farming, and providing a gateway to information on invasive plants, animals, and microbes. [Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library]

P:
Pfiesteria and funding for water quality improvement. - This site describes the primary mission of the Agricultural Research Service's Water Quality and Management National Program. The main points of the mission are to develop innovative concepts for determining the movement of water and its associated [Department of Agriculture (USDA), Agriculture Research Service (ARS)]

T:
Toxic Substances Hydrology Program - Homepage which provides scientific information on contaminated sites and on human and environmental health. Links to news, topical information, investigations, meetings, publications, and photos [Department of the Interior, U.S. Geological Survey (USGS)]

W:
Water Quality Assessment and Monitoring [USDA, Natural Resources Conservation Service] - Farmstead to watershed, NRCS helps American farmers and ranchers tackle issues and provide solutions on water quality issues deriving from sediment, nutrients, concentrated animal production and pesticides [Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

Water Quality Information Center (WQIC) - Collects, organizes, and communicates the scientific findings, educational methodologies, and public policy issues related to water quality and agriculture [Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]