Archival material held in the Facility includes an extensive photographic and negative collection dating back to the Board of Water Supply and Sewerage (1880) some plans, reports standing orders and instructions, books, journals, films and video tape, board minutes, etc. pertaining to Sydney Water, WaterNSW and their predecessors:
- Board of Water Supply and Sewerage (BWSS)
- Metropoliton Board of Water Supply and Sewerage (MBWS&S)
- Metropolitan Water, Sewerage and Drainage Board (MWS&DB)
- Water Board
- Sydney Water Corporation (SWC)
- Sydney Catchment Authority (SCA).