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Currents · WorldNews · 2026-08-28

In 1998, New York listed Keuka Lake as impaired after DDT contamination

In 1998, New York listed Keuka Lake as impaired after DDT contamination. 16 years later, fish-tissue data led officials to remove the lake from the impaired waters list. DDT was widely used to control agricultural pests before New York banned it in 1972. The chemical is persistent, meaning it can remain in environmental systems long after its original use ends.

Why it matters. Why it matters: In 1998, New York listed Keuka Lake as impaired after DDT contamination.

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