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

Guideline tools

Guideline summary reports

Guideline technical reports


Fresh Water Aquatic Life:
Look-up a copper guideline without using the BC BLM Software

Calculate a copper guideline using the BC Biotic Ligand Model Software

Water quality guideline documents


Guideline supplemental information