We encourage you to check out the website for the national rainwater collection organization called ARCSA (American Rainwater Catchment Systems Association) at www.arcsa.org. Our founder Bob Drew is on the board of directors.
Also, a newly formed non-profit based in Georgia ia called SERHSA, Southeast Rainwater Harvesting Systems Association. we are dedicated to promoting rainwater as a viable and significant water supply to help combat georgia's water supply problems in a smart way. See www.sersa.com.
The Natural Resources Defense Council (NRDC) recently came out with this white paper regarding rainwater collection and it's role in water supply and management. Click Here.
For underground tanks, ECOVIE uses a variety of tank to meet your needs. We use Graf or Roth HDPE tanks for residential or light commercial application to larger systems Xerxes fiberglass or WRS tanks are a better fit.
Here's a great video on rainwater harvesting from Graf, Click Here
For above ground tanks, there are a wide range of style and functionality depending on your needs. Our bread and butter tank for residential and small commercial projects is the Chemtainer line of polyethylene tanks.
We use a wide variety of filtration and pumping solutions depending on your particular needs.