With over a century of environmental solutions, Doetsch Environmental Services has engineered and manufactured the equipment necessary to tackle the most difficult of all cleaning operations – Large Diameter Sewer Cleaning. While we have been successful with conventional sewer cleaning equipment, it was necessary to develop new innovations for performing large diameter or large bore sewer cleaning operations. Doetsch Environmental Services offers a variety of services when it comes to pipeline inspection to ensure that we can provide you with the ability to inspect anything as small as 1” to as large as 144”.