Concrete cisterns allow you to bury the tank much farther down in the ground than poly tanks allow. Great for heavy clay areas. For all cisterns, backfill must be complete before filling with liquid. Allow cistern sealants a minimum of 24 hours to settle before filling above the joint. 18,150L (4,000gal) or larger cisterns dig size must be a minimum of 271” long x 174” wide as they must be assembled on-site. The exterior of the tank must remain completely dry during the entire assembly process. Any moisture present will not allow the membrane to adhere.
Cistern tanks are available starting at 1000 GAL.
Risers and accessories are available.
Still searching for the correct cistern or septic tank? View the rest of our tank options here. You can also view Concrete Cistern frequently asked questions.
*Always check with your municipal requirements prior to installation.