Philomath High School senior class project that monitors water quality of swimming holes. Includes photos of the sites and water quality results.

2003 water quality consumer confidence report describing water contaminant levels and sources responsible.

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.

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.

Web interface to database of water quality in Ireland. Interactive maps and graphs show water quality for rivers and lakes throughout the country. Also includes links to reports on inland water quality. (Requires Java 1.1 browser.)

Applying ecological principles and natural systems to create water and waste solutions for households, communities, agriculture, landfills and industry.

Programs to reduce water pollution from land use practices such as construction and agriculture.

A multidisciplinary team that analyzes and conducts natural resource management programs with an emphasis on nonpoint source (NPS) pollution policy,assessment, and control technologies.

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.

Discusses how nitrogen and phosphorus enrichment affect Chesapeake Bay and other aquatic systems.

7th graders Dave and Adnan built with website providing information on water testing, pullutants, and watersheds.

SEL Environmental is a sub-contractor specialising in engineered solutions for passive and active gas protection to structures, stormwater management, in-ground vertical geomembrane barrier and vent trenches.

Computer application being developed to help water managers to evaluate the effect of large nutrient loads on stream nutrient retention, by analyzing relationships between stream nutrient retention and several physical, chemical and biological parameters. Overview, participants, sample study sites in the Mediterranean region, and publications.

Charitable trust foundation that promotes education and research in water purification and related technologies.

Assessment of trace elements in ground water, surface water, streambed sediment, and fish and clam tissue across the United States.

Goal is to provide unbiased earth science information on the behavior of toxic substances in U.S. hydrologic environments.

Provideseditorial content including developments in water conditioning, filtration and disinfection for residential, commercial and industrial systems.

Judith Burke, British Columbia water inventory specialist, provides articles, photos and information related to water quality, testing, salmon restoration, and related topics. Also includes resume, paintings, and cartoons.

Presented to raise awareness of water-quality issues. Offers information on rainfall, weather, watersheds, stormwater projects, and pollution.

Organisation which carries out monitoring programs, and the testing of physical and chemical properties of water.