Septic tanks key to island system installationProblem: On Farm Island, north of Minneapolis, most installation work stops during the winter. When Septic Check was asked to design and install a septic system for a 1,400-square-foot, year-round dwelling, they took an unusual step by waiting for winter to enable transporting project materials on a trailer over the frozen lake to the remote island site via a 3,400-foot-long snowplowed road across the ice.Solution: A tank-based advanced treatment unit system was selected to meet Minnesota regulations requiring a 3-foot minimum separation between a conventional system drainfield and the water table. The system with a UV
