This report presents a comprehensive dataset of surface water quality parameters collected in Manitoba between 1974 and 1976. The data was compiled by the Water Resources Branch of Canada to provide a detailed record of water conditions during that period.

This publication serves as a factual record of historical water quality data for Manitoba. Its value lies in its direct presentation of scientific measurements, offering a resource for researchers and environmental agencies studying long-term trends or specific water quality issues in the region. The data provides a baseline for comparative analysis with contemporary water quality studies.