Australian Pesticides Map
“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).
19/1/72: Ovens River East Branch: DDT 0.01ug/L
https://baddevelopers.nfshost.com/Docs/foewaterreport.htm#North