California State University, Sacramento, Stormwater Program - Analytical tools and information on water quality standards, stormwater management, and impaired water bodies in California.
CEEP - Centre Européen d’Etudes sur les Polyphosphates - Information concerning the impact of phosphates on aquatic systems and the environment, the properties and performance of polyphosphate products, and measures to reduce phosphate discharges.
Clean Lakes Program - EPA's information resources on clean lakes, including links to on-line documents, the latest [1994] published 305(b) report, and ordering instructions for other documents about clean lakes.
Great Lakes Water Quality Agreement - The U.S. and Canada have been working together to restore the (transboundary) quality of the Great Lakes and the St. Lawrence River
MembraneOnline: Resource for Membrane Technology - Information, products, and links related to filtration and membrane technology, particularly as applied to water and wastewater treatment, including desalination of water.
North Carolina Nonpoint Source Management Program - Programs to reduce water pollution from land use practices such as construction and agriculture.
North Carolina State University Water Quality Group - A multidisciplinary team that analyzes and conducts natural resource management programs with an emphasis on nonpoint source (NPS) pollution policy,assessment, and control technologies.
Nutrient Net Demo - Demonstration of a market-based approach for protecting and improving water quality. Nutrient trading involves allowing sources to trade in ways that meet local and watershed-wide water quality goals.
Nutrient Pollution - Discusses how nitrogen and phosphorus enrichment affect Chesapeake Bay and other aquatic systems.
Rain Gardens - How-to information on maintaining native plant gardens to reduce the amount of stormwater runoff entering surface waters.
Stormwater Managers Resource Center - A technical clearinghouse for stormwater practitioners and U.S. local government officials. Extensive information on nonpoint pollution and protecting stormwater quality.
USGS National Analysis of Trace Elements - Assessment of trace elements in ground water, surface water, streambed sediment, and fish and clam tissue across the United States.
USGS Toxics Substances Hydrology Program - Goal is to provide unbiased earth science information on the behavior of toxic substances in U.S. hydrologic environments.
Water Quality Document Database - Bibliography of reports about water quality in the U.S., sorted by geographic area.
Waterwatch Victoria - Organisation which carries out monitoring programs, and the testing of physical and chemical properties of water.