Membership was increasing at Leisure Lakes Resort in Joliet, Ill., and the owners wanted to treat the park's wastewater rather than store it in concrete holding tanks, one for each of three recreational vehicle campsites.
Of the 235 pads, 163 discharged to three holding tanks in series: capacities 6,000 gallons, 3,000 gallons, and 1,500 gallons. Zeiter's Septics Unlimited in Morris pumped the tanks weekly from April to December. Since the company also designed and installed onsite systems, the resort owners hired president David Zeiter to find a solution.
"Initially, we thought a conventional system could treat the waste," says Zeiter. "But once
