Aspen's original sanitation district, The Aspen Sanitation District, was formed in 1955 and consisted of a trickling filter plant within the city, on North Mill Street. This plant was expanded several times until in the early 70's it could no longer meet its discharge permit limitations and had become a odorous neighbor to the blossoming business district. In 1984, the two separate districts were merged to form the Aspen Consolidated Sanitation District. The facility receives its influent from the City of Aspen, an old mining town of the 1800's turned skiing mecca of the 1990's. The Collection Division is staffed by a Collection Superintendent, Crew Foreman and crew members.
Operations consists of three operators.
Maintenance consists of two maintenance technicians and two seasonal workers. Laboratory Services staffs two Microbiologists and provides for all in-house testing and performs outside contract testing as well. The Treatment Facility has its own State Certified Drinking Water Laboratory and provides this as a service to the public at large. Treatment Facility Management consists of a Superintendent and an Operations Foreman. The Treatment Facility is undertaking a study dealing with biosolids processing from its aerobic digesters.