The DNCWS Carries out periodical surveys and assessments about the Community Managed Rural Water Supply Systems in Sri Lanka. For public awareness and research purposes, the details are presented.

The various research organizations, funding agencies, and development projects prepared several reports, and research articles regarding the improvement of CBO Managed WSS. Those are organized and presented.

The DNCWS is a governing, facilitation, and management body on behalf of the government of Sri Lanka. Currently, the dept facilitates around 1 Million people thorugh approx 5,000 CBOs on the island.