fish ladder

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fish ladder

[′fish ‚lad·ər]
(civil engineering)
Contrivance that carries water around a dam through a series of stepped baffles or boxes and thus facilitates the migration of fish. Also known as fishway.
References in periodicals archive ?
American shad is the target species for the fish lifts, but many species of fish benefited from the lifts.
In fact, in 2006, thousands of fish passed through the brand-new fish lift at Lockwood Dam.
With more than 80,000 American shad passed through Conowingo's East Fish Lift already this year, the restoration effort on the Susquehanna River continues to prove to be an outstanding success.
Since it began operation, the fish lift has transported 170,000 shad over the dam, and more than 64,000 since the opening of this year's migration season.
Amongst the plentiful gizzard shad and many other fish species like walleye and bass, nearly 1,800 American shad were elevated above the 105-foot high dam on Conowingo's east fish lift as of April 25, 1999.
PECO Energy operates two fish lifts at Conowingo, which crosses the Susquehanna River at Route 1 in Maryland six miles below the Pennsylvania border.
May 29 /PRNewswire/ -- Representatives from governmental agencies and environmental and sporting groups joined with utility officials on the lower Susquehanna River today to dedicate the newly constructed fish lifts at the Safe Harbor and Holtwood hydroelectric dams in southeastern Pennsylvania.
May 16 /PRNewswire/ -- The fish lifts on Pennsylvania Power & Light Co.
Sunday - Hadley Falls Fish Lift on the Connecticut River.
With the temperature warming to 57 degrees on the Connecticut River, 7,239 shad went over the Holyoke Dam Hadley Falls fish lift this past week.
Crazy commentator Tony Gobbledegook continues to spout nonsense about double reverse teapots, aeroplane spins and rotating fish lifts.
The expansion would also include significant improvements to fish passage operations at the Holtwood dam, according to PPL, which said it has been working with state and federal agencies on ways to improve the efficiency of fish lifts that help American shad and other species get over the dam during their annual migration.