Drinking Water and Health Basics
U.S. EPA Office of Ground Water and Drinking Water information on drinking water and health, including the National Primary Drinking Water Standards, fact sheets on specific drinking water contaminants, and guidance regarding Cryptosporidium for people with compromised immune systems.
http://www.epa.gov/safewater/dwh/index.html

Massachusetts Drinking Water Education Partnership
Provides year-round educational programs and information to increase public understanding of drinking water issues. Dedicated to protecting drinking water supplies and public health through collaborative projects, culminating in Drinking Water Week events each May.
http://madwep.org/

National Drinking Water Clearinghouse
NDWC offers technical assistance and information about drinking water treatment, management, distribution, infrastructure, Safe Drinking Water Act regulations, and ground, surface and water conservation for America's small, rural communities.
http://www.ndwc.wvu.edu

Drinking Water Services
Anybody who uses a natural untreated drinking water source should confirm that it is a safe supply through regular testing.
http://www.drinking-water.co.uk

Association of Metropolitan Water Agencies [AMWA]
Association of Metropolitan Water Agencies [AMWA] - The site features items of interest in the fields of drinking water regulation and legislation, the Safe Drinking Water Act, Source Water Protection, Watershed Assessments, Drinking Water Treatment, and Competitiveness issues for Public Utilities.
http://www.amwa.net/

Sonitec Inc.
Sonitec is the leading provider of cooling tower filter, sand filter, cooling water filter, process water filter, and water filtration equipment for drinking water processing, recreational and commercial use, industrial processing, and HVAC and wastewater applications.
http://www.sonitec.com/

Sulfate in Drinking Water
Sulfate is a naturally occurring constituent in water. Site presents information on research by the U.S. EPA Office of Drinking Water into health aspects of sulphate in water.
http://www.epa.gov/safewater/contaminants/unregulated/sulfate.html

Niagara Drinking Water
Providers of clean drinking water to southern california since 1963. Also specialize in providing bottled water for club stores, other outlets and various distributors throughout the country.
http://www.niagarawater.com

Advanced Polymer Systems Inc.
Water and turbidity standards, turbidimeters and spectrophotomers, scientific instruments for the waste and drinking water plants.
http://www.apsstd.com

Wilkes University Drinking Water and Environmental Library
Online library of reports, pdf files, and fact sheets related to drinking water, water treatment, soils, water testing, septic systems
http://www.water-research.net/Waterlibrary/