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 passage
A culvert replacement project in Delaware County, New York, addressed stream-flow, erosion, sediment, and fish-passage problems along an unnamed tributary to the Little Delaware River. The failing 7-foot-diameter metal culvert was replaced with a 9-by-13-foot concrete box culvert designed to accommo...


