Genesis Septic Solutions $750.00 towards Residential Septic Tank Only Install. This certificate is good for 750.00 towards a residential septic tank and install of tank only. Includes and Oregon or Washington approved 1000 gallon septic tank. This would be for someone who has a septic tank failure and just needs to replace the tank portion of a septic system. Call for appointment. Service areas include Sherman, Wasco, Hood River, Klickitat, and Skamania Counties.