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.

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

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

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

Brownfield Redevelopment and Sustainable Drainage - 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.

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

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.