Federal · SOR/2002-222

Metal and Diamond Mining Effluent Regulations

Under the FISHERIES ACT

Current version date June 4, 2026 · official source text · watch this law (RSS)

Energy & Environment

Change history

Federal · AmendedDate recorded June 4, 2026

Metal and diamond mine effluent rules updated: new lethality test, broader notification duties, and clarified reporting

Canada's Metal and Diamond Mining Effluent Regulations have been updated in several practical ways. A new acute lethality test using the marine copepod Acartia tonsa (Reference Method STB 1/RM/60) is added alongside e…

SOR/2002-222Energy & EnvironmentConstruction & Real Estate+45 / −35 lines