Dams

Water flows through Conowingo Dam, a hydroelectric dam spanning the lower Susquehanna River near Conowingo, Md., on Thursday, May 16, 2019. Officials once counted on the dam to block large amounts of sediment in the Susquehanna from reaching Chesapeake Bay, the nation's largest estuary, but the reservoir behind the dam has filled with sediment far sooner than expected. (AP Photo/Steve Ruark)
July 06, 2019 - 9:24 pm
CONOWINGO, Md. (AP) — When the Conowingo Dam opened to fanfare nearly a century ago, the massive wall of concrete and steel began its job of harnessing water power in northern Maryland. It also quietly provided a side benefit: trapping sediment and silt before it could flow miles downstream and...
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In this Tuesday, May 28, 2019 photo, people watch the water flow on the Arkansas River near the Highway 7 bridge in Dardanelle, Ark. Thunderstorms are expected to bring unwanted rain to areas along the Arkansas River, which is predicted to crest Wednesday well above record levels in western Arkansas. (Staton Breidenthal/The Arkansas Democrat-Gazette via AP)
May 29, 2019 - 1:57 pm
FORT SMITH, Ark. (AP) — The Arkansas River neared a historic crest Wednesday in Arkansas' second-largest city, but officials said the levee system was "performing admirably" from the rush of water coming downstream from rain-soaked Oklahoma and Kansas. Still, the river was nearly twice the level it...
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May 24, 2019 - 10:03 am
TRAVERSE CITY, Mich. (AP) — The U.S. Army Corps of Engineers' commanding officer has endorsed a $778 million plan for upgrading a lock-and-dam complex near Chicago to prevent Asian carp from invading the Great Lakes. Lt. Gen. Todd Semonite signed the final report Thursday. It now goes to Congress,...
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May 04, 2019 - 12:31 pm
FLAGSTAFF, Ariz. (AP) — Ted Kennedy sums up what he sees along the river in the Grand Canyon: "It's buggy out there." That is to say, an experiment to change the flow of water from a dam near the Arizona-Utah state line appeared to boost the number of aquatic insects that fish in the Colorado River...
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In this Friday, April 12, 2019 photo, bridges over the Missouri River connect Plattsmouth, Neb., bottom, and Mills County, Iowa, top. This spring’s massive flooding along the Missouri River unearthed bitter criticism of the federal agency that manages the river while devastating communities and causing more than $3 billion in damage. The flooding and the U.S. Army Corps of Engineers’ actions will be the focus of a U.S. Senate hearing in western Iowa on Wednesday, April 17, and critics will demand the agency make flood control its top priority. (AP Photo/Nati Harnik)
April 17, 2019 - 3:12 pm
GLENWOOD, Iowa (AP) — The federal agency that manages dams along the Missouri River received stern criticism from several U.S. senators Wednesday during a hearing held in Iowa to examine the massive spring flooding this year that caused more than $3 billion in damage in the Midwest. The flooding...
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This Feb. 20, 2019, photo shows the Oroville Dam spillway in Oroville, Calif. California officials say the flood-control spillway at the nation's tallest dam is expected to be deployed as early as Tuesday, April 2, 2019, for the first time since it was rebuilt after it crumbled during heavy rains two years earlier, forcing nearly 2000,000 people to evacuate. (AP Photo/Rich Pedroncelli)
April 02, 2019 - 1:03 am
OROVILLE, Calif. (AP) — Water will rush down the main spillway at the nation's tallest dam for the first time since it crumbled in heavy rain two years ago and threatened to flood California communities. The state Department of Water Resources anticipates releasing water down the spillway at...
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FILE - In this file photo taken on Feb. 8, 1966, the results of three-years of dismantling the temples of Abu Simbel in Egypt lie in a storage area behind the huge escarpment before being moved and re-assembled on higher ground. The global campaign that saved the ancient Egyptian temples of Abu Simbel from inundation by the Aswan Dam 50 years ago was remembered this week as an unprecedented engineering achievement and a turning point in the perception of cultural treasures as a responsibility of all humanity. (AP Photo)
February 06, 2019 - 5:40 pm
TURIN, Italy (AP) — Egyptologists and other experts gathered in Italy this week to celebrate a successful campaign to save ancient Egyptian temples from being submerged by a dam project 50 years ago and heard of cultural sites facing similar threats now. The international campaign that saved the...
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Tereza Ferreira Nascimento, center, her sister-in-law Sonia Santos, left, and her brother Pedro Ferreira dos Santos dig with garden tools in search of the body of Tereza's and Pedro's missing brother Paulo Giovane Santos, days after a mining company's dam collapsed in Brumadinho, Brazil, Wednesday, Jan. 30, 2019. "We are here since Friday taking turns between brothers, brothers-in-law, searching for the body so that we can at least give him a dignified burial,” said Nascimento, holding back tears. “So far it has been in vain.” (AP Photo/Andre Penner)
January 30, 2019 - 1:44 pm
BRUMADINHO, Brazil (AP) — Under a scorching sun, Tereza Ferreira Nascimento on Wednesday dug through the mud with garden tools and her hands in search of her brother Paulo Giovane dos Santos, resigned to the reality that he was most likely dead six days after a Brazilian dam holding back mine waste...
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An aerial view shows a collapsed bridge caused by flooding triggered by a dam collapse near Brumadinho, Brazil, Friday, Jan. 25, 2019. The dam that held back mining waste collapsed, inundating a nearby community in reddish-brown sludge, killing at least seven people and leaving scores of others missing. (Bruno Correia/Nitro via AP)
January 30, 2019 - 1:38 pm
BRUMADINHO, Brazil (AP) — The Latest on the deadly collapse of a dam at a Brazil iron ore mining complex (all times local): 4:30 p.m. Environmental experts say mining companies should move away from wet mine tailings, which is the storage of waste in reservoirs. The process is used by a large...
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A Pataxo Ha-ha-hae indigenous woman points toward the Paraopeba River as she speaks to a member of the Brazilian Environmental Institute (IBAMA) in her village, in Brumadinho, Brazil, Tuesday, Jan. 29, 2019. Mining giant Vale representatives insisted that the slow-moving mud spreading down the Paraopeba River following the Jan. 25 collapse is composed mostly of silica, or sand, and is non-toxic, but environmental groups contend the iron ore mine waste contains high levels of iron oxide that could cause irreversible damage. (AP Photo/Leo Correa)
January 29, 2019 - 4:46 pm
BRUMADINHO, Brazil (AP) — Brazilian authorities arrested five people Tuesday in connection with a dam collapse that killed at least 65 people and left nearly 300 missing, and dead fish were seen downstream floating at the banks of a river that an indigenous community depends on for food and water...
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