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NYSDEC IMPAIRED WATERS
In 2021, New York assessed Cannonsville Reservoir as impaired after a 7-foot culvert blocked fish passage. 2 years later, the new culvert scored 0.88 for aquatic passageA culvert replacement project in Delaware County, New York, addressed stream-flow, erosion, sediment, and fish-passage problems along an un...
In 1996, New York flagged Upper Tonawanda Creek as a water-supply concern. 16 years later, NYSDEC removed it from the impaired list after farm BMPs improved water qualityNew York's Tonawanda Creek was once impaired by agricultural pollution. Farmers implemented best management practices to reduce soil erosio...
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 listKeuka Lake DDT cleanup shows how a pesticide banned decades ago kept affecting fish through contaminated soil and runoff. The problem began...