How did the CCME WQI come into being?
The CCME WQI is based on a water quality index developed by British Columbia in 1995. British Columbia presented its work on a water quality index to CCME during its development, and the CCME Water Quality Guidelines Task Group was asked to develop an index that could be used by other jurisdictions. The British Columbia index was modified by work undertaken in Alberta and by advice from an inter-jurisdictional committee.