Sewage backing up in a three-bedroom home on Lake Carmel in Carmel, N.Y., had created a hazardous mold condition under a bathroom floor. The homeowners summoned Pat Tyndall of Tyndall Septic Systems Inc. in Brewster, N.Y. He pumped the concrete block septic tank and put the people in touch with Chris Dellaripa, project coordinator for the Putnam County Septic Repair Program. Dellaripa immediately stopped the homeowners from using the bathrooms. Because the home was within a 500-foot radius of Lake Carmel’s high-water mark, the onsite system qualified for free replacement under the county program.“This was one of the most challenging








