When Lakes Go Bad

(Newser) - Floodwaters breached a levee and a temporary barrier today near a residential neighborhood in Des Moines, forcing authorities to call for a mandatory evacuation of 270 homes, the AP reports. “There’s not anything else we can do,” said a city official. Storms throughout the region have killed nine, and officials have cut power service and are bracing for the worst. More »

(Newser) - A town devastated by the Sichuan earthquake was flooded today as soldiers worked to drain a dangerous quake lake, reports Reuters. Water whooshed into Beichuan after explosives and missiles were used to blast holes in the dam created by the earthquake. Some 250,000 people downstream had already been evacuated. More »

(Newser) - Luxury homes around a Wisconsin lake were torn apart after heavy rain cut a channel through an earthen dam and drained the water. Lake Delton is a tourist center, and businesses that depend on it face ruin, reports the Milwaukee Journal-Sentinel . The region was one of several pummeled by days of heavy rains that have caused widespread flooding in three states. More »

(Newser) - Melting ice in a remote Chilean lake caused it to swell and suddenly empty, creating a “river tsunami,” the AP reports. Water from a melting glacier filled the lake and tunneled through the ice, emptying into a nearby river. More »

(Newser) - Lake Mead, the giant man-made lake behind the Hoover Dam and a major source of water for millions of people, is rapidly drying up, reports Live Science. A new study predicts a  50% chance the lake will be too low to produce hydroelectric power by 2017, and a 50% chance that it will vanish by 2021. More »

(Newser) - The brutal drought hitting Georgia is drying up an artificial lake and exposing the long-dead town that lies beneath—along with mountains of trash. "It's horrendous, it's unbelievable," said one local resident. Lake Lanier's receding shores have exposed debris of all shapes and sizes, including an old dirt racing track, foundations of buildings, sunken cars and boats, even a stretch of Georgia Highway 53. More »

(Newser) - Two scientists may be fishing cancer cures out of an abandoned, poisonous lake, Wired reports. Don and Andrea Stierle are finding microbes in the green goup of an old Montana pit lake that don’t exist anywhere else – and happen to make compounds that inhibit a lung cancer and an ovarian cancer. So far Big Pharma hasn’t taken enough notice to fund a full investigation of the underwater slime.  More »

(Newser) - Water levels in Lake Superior are down a whole foot this year, and scientists say man is to blame. The world's largest body of fresh water by surface area has suffered an on-and-off drought for four years, but levels may reach an all-time low this summer. Climate change is partially responsible, but one environmental group points to another culprit: the constant dredging of the St. Clair River for navigation. More »

(Newser) - Hopes for an enormous underground lake discovered recently in Darfur might supply enough water to end starvation and violence in the area were dimmed by a second opinion from  a French geologist. The area receives too little rain and has the wrong type of rocks for water storage, said a specialist in mineral and water exploration: the lake probably dried up thousands of years ago. More »

(Newser) - A giant lake discovered beneath Darfur could lead to resolution of the conflict in the region, where genocide has claimed the lives of more than 200,000 Darfuris and 2 million people have been left homeless since 2003, the BBC reports. Radar revealed the ancient body of water, comparable in size to Lake Erie, which could supply 1,000 wells, researchers say. More »

(Newser) - An Indian company's plans to build a plant to harvest soda ash, or sodium carbonate, from Lake Natron in northern Tanzania could spell the end for the endangered lesser flamingo, the smallest of the six flamingo species. The lake is the only major breeding site, and half a million of the pink birds flock to the lake every summer. More »

(Newser) - Industrial chemicals contaminate many species of fish that populate the Great Lakes, making them too hazardous for safe human consumption, says a Canadian conservation group. "The lakes continue to be polluted to such an extent that human health is threatened," says a report released yesterday that lists industrial pollutants such as dioxins, PCBs, and methyl mercury among the contaminants. More »

(Newser) - A Chilean lake that mysteriously went m