Haulers wishing to use the Landfill should contact the MCUA at . - Since 1980.Safe, reliable pickups. The MCUA will accept solid waste generated in Middlesex County for disposal if in the opinion of the MCUA. Middlesex County offers various recycling programs that are free to North Brunswick and county residents. For more information, click the links below. For a curbside Bulk Waste appointment, call the Public Works Department at . Interstate Waste Services has acquired Bridgewater Disposal Services. Interstate Waste Services (IWS) is pleased to welcome new customers and employees. Note: Other services at these dropoff sites are for township residents only.