IDAHOCommittee approves technology
Members of Idaho’s Individual and Subsurface Sewage Disposal Technical Guidance Committee keep the state’s Technical Guidance Manual current by providing oversight for alternative technologies. The committee approved adding the extra-depth sand mound to the manual and updated the list of piping materials to meet current standards. “The extra-depth sand mound, with at least 2 feet of sand below the drain-rock bed, has the potential to be a game changer,” says committee member Joe Canning, P.E., and president of B & A Engineers in Boise. “If nutrient reduction is not a significant issue, this becomes an excellent option for















