Benton County Water Quality
Philomath High School senior class project that monitors water quality of swimming holes. Includes photos of the sites and water quality results.
Clean Lakes Program
EPA's information resources on clean lakes, including links to on-line documents, the latest  published 305(b) report, and ordering instructions for other documents about clean lakes.
Applying ecological principles and natural systems to create water and waste solutions for households, communities, agriculture, landfills and industry.
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.
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 Products
Magazine offering editorial content on developments in water conditioning, filtration and disinfection for residential, commercial and industrial systems. Lists forcoming trade shows, product and careers database, articles, newsletter, subscriptions based in the USA.
Watershed and Coastal Resources of Orange County, California
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.