British Columbia has released updated WQGs for dissolved lead. These can be viewed in Table 20 of “British Columbia Approved Water Quality Guidelines:
Aquatic Life, Wildlife & Agriculture”. The Long-term Chronic WQG values for Freshwater Aquatic Life now depend on Hardness and DOC. The Short-term Acute WQG value appears to have been removed.
The new lead value is now available in the “BC WQG Fresh Water Aquatic Life—Long Term Chronic” standard in the ESdat Environmental Standards library. The full document will be reviewed in the coming days for any other changes.
BC Approved water quality guidelines
Approved water quality guidelines are policy statements and apply all over B.C.
Water quality guidelines are used to:
- Protect water values, including aquatic life, wildlife, drinking water sources, agriculture (livestock watering and irrigation), and recreation
- Inform water quality assessments
- Support resource management decisions
- Provide the basis for water quality objectives
- Report on the state of water quality
- Promote water stewardship
ESdat is an intuitive and user-friendly software that helps environmental scientists and engineers manage a wide range of groundwater and environmental data. ESdat accepts and compiles data from laboratories, field programs, data loggers, sensors, historical sources, and environmental standards.
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