cdc.gov - CDC: collecting rainwater and your healthcdc.gov (mosquitoes) - CDC: preventing mosquitoes (screen and cover barrels)
epa.gov - EPA Soak Up the Rain: rain barrels, how to set one upepa.gov (WaterSense) - EPA WaterSense: save water outdoors
ecology.wa.gov - Washington Department of Ecology: water rights and rainwater
extension.colostate.edu - Colorado State Extension: Colorado rain barrel law (two barrels, 110 gallons)
twdb.texas.gov - Texas Water Development Board: rainwater harvesting manual and rules
waterboards.ca.gov - California State Water Resources Control Board
worldpopulationreview.com - Rainwater collection rules by state (summary; confirm with your state)
amazon.com - Amazon: rain barrels and diverters
aquabarrel.com - Aqua Barrel: rain barrels (on the old page)
gardeners.com - Gardener's Supply: rain barrels and garden gear
greatamericanrainbarrel.com - The Great American Rain Barrel: recycled food-grade barrels (on the old page)
homedepot.com - The Home Depot: rain barrels
kentuckybarrels.com - Kentucky Barrels: whiskey and wine barrels for DIY rain barrels (on the old page)
lowes.com - Lowe's: rain barrels
rainwatersolutions.com - Rain Water Solutions: community rain barrel programs (on the old page)
bushmanusa.com - Bushman: rainwater harvesting tanks
enduraplas.com - Enduraplas: water storage tanks
norwesco.com - Norwesco: polyethylene water tanks
rainwaterhog.com - Rainwater HOG: slim modular tanks (on the old page)
watercache.com - Water Cache: rainwater systems and installation (Austin, Texas) (on the old page)
arcsainternational.org - ARCSA International: rainwater industry standards and accredited pros
extension.oregonstate.edu - Oregon State University Extension: rain gardens and barrels
harvestingrainwater.com - Brad Lancaster: Rainwater Harvesting for Drylands and Beyond