Drinking Rain Water
Ask a scientist: why can't I drink rain water?
http://www.newton.dep.anl.gov/askasci/wea00/wea00044.htm

Rainwater Harvesting
information on the history of water harvesting methodologies in Tamilnadu and the modern methods adopted for rain water harvesting structures and advised by TWAD Board for both the individuals & professionals.
http://www.aboutrainwaterharvesting.com/

Rain Water System Design Report
Report on rain water system designs for the new environmental science and engineering building at the University of Waterloo, Canada.
http://www.adm.uwaterloo.ca/infowast/watgreen/projects/library/760/final.html

USGS -- Water Resources of the United States
Home page for water resources information from the US Geological Survey
http://water.usgs.gov/

Clean the Rain, Clean the Lakes: Mercury in Rain Is Polluting The Great Lakes
Mercury runs many processes in our lives but we must take a stand to prevent mercury pollution because it can adversely affect wildlife and people's health.
http://www.nwf.org/mercury/

Sharka Computers
Store that offers water blocks, radiators, reservoirs, fittings, tubings, and other water cooling accessories.
http://www.sharkacomputers.com/

Rain Barrel Information and Sources
Read how to set up rain barrels to reduce your consumption of public water and save money, and where to buy them. Rain barrels help leave water in tapped streams so aquatic creatures can survive through drought.
http://dnr.metrokc.gov/wlr/PI/rainbarrels.htm

Van Essen Instruments
Offers water monitoring products including ground water, rain water, and sewage system overflow sensors.
http://www.vanessen.com

Environmental Management of Drinking Water
A diverse research laboratory in water quality and testing
http://www.uvic.ca/water

PRP Engineering Inc
water/wastewater engineers for water pump station design, reservoirs pipeline sewage lift stations storm drains and sewers. CA Certified Small Business/Civil / mechanical/ structural and electrical engineering services surveying/ architectural design/project management
http://www.prpengineering.com/