1972 February: Barwidgee River Bridge. Pesticide detected: DDT

“In 1971/2, this Department conducted a pesticide survey of the Ovens River catchment which was chosen because of reported heavy use of pesticides on the tobacco crops in that area…” (Commission of Public Health 6 February 1976).

9/2/72: Barwidgee River Bridge DDT 0.02ug/L