 Five months later, Leisure World offered the units for sale again at increased prices.In September 1976, the developer agreed to build the 300,000-gallon wastewater treatment plant.Almost one year later, the developer sued the state of Maryland, saying Washington Suburban Sanitary Commission failed to complete a 1965 contract to provide water and sewer connections to the area because the Maryland Department of Health and Mental Hygiene had ordered a halt to sewer connections in 1973.