PurRain Corp.offers the full line of Brock galvanized tanks with 28 mil supported liners.  PurRain Corp has installed over 100 tanks in the San Juan Islands and Western Washington from a 6' diameter tank holding 600 gallons to two 42' diameter tanks for a local resort each holding 142,000 gallons.  Below featuring 36' diameter 100,000 gallon Brock stiffened tank for fire protection installed in Seismic Zone 3 in Western Washington.