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The series consists of surveys that were carried out by the Survey Branch and its predecessors to facilitate the investigation, design, and construction of water management projects. The records include studies, topographic surveys of natural and man-made features including profiles, cross-sections and contour surveys as well as vertical and horizontal control survey notes.

The series consists of hydrometeorological field notes created by the Survey Branch and its predecessors. The data was collected by the branch as part of the surface water inventory for the province and was used in hydrologic analysis for water resource management. The field notes are filed by project and include water levels, streamflow, precipitation, evaporation, temperature, and sediment information.

The series consists of records created by the Irrigation Office of the Department of Interior, Dominion of Canada as well as by later departments within the Government of Alberta that relate to the administration of water resources. Most of the records address irrigation.

The pre-1926 records include information about irrigation projects, administration and finance, conferences, proposals, reports, correspondence about land and mineral resources, as well as other related documents. The records dating 1926-1971 contain correspondence concerning routine administrative matters; reports completed by regional and head offices; information about specific water projects, including the William Pearce / Bow River Development Projects; photographs; records from the Irrigation Secretariat, Irrigation Council, Irrigation Policy Committee, and other committees; news clippings; drawings of the Northern Saskatchewan Irrigation District (1919-1948); and other related documents.