HydrOu World

Country: USAAuthor： Hal Boyle--Pulitzer prize-winning columnist

The earthquakes occur every 45 to 144 years, but the most recent was over 150 years agoStudying a 700-Year Earthquake Record

Front Royal official says town may begin accepting bids as soon as next week

FRONT ROYAL Va.  -- While there are policies and procedures that have to be followed, the demolition of the more than 100-year-old Riverton Dam remains on schedule.

The Tempe Town Lake dam was supposed to last for 25 to 30 years, said the experts. The inflatable rubber dam created Town Lake for the city of Tempe,

(July 16) -- Weaker than normal monsoon rains in the American Southwest sparked a government warning that droughts already afflicting Arizona, New Mexico and neighboring states could get worse through the peak summer months.

Axys Technologies sees a demand for its buoys, resulting in deliveries all over the world. The Marine Institute at Memorial University in Newfoundland has recently deployed two new monitoring platforms into their SmartBay monitoring network. A 3 metre aluminum discus buoy and a 1.75 Metre WatchKeeper buoy recently dropped anchor into two locations on Placentia Bay (Come by Chance Point and the Pilot Boarding Station).

Engineers in the US are using rocket-thruster technology to create a self-powered sewage treatment process that also reduces greenhouse gas emissions.

Using microbes to break down sewage produces nitrous oxide and methane,

Hoover Dam, often called Boulder Dam, is located on the Colorado River at the southern tip of Nevada and the Arizona border. In the early 1900s, after many failed efforts to control the lower Colorado River with levees and irrigation canals,

August 6, 2010- Billings, Montann---It is reported that construction begins Monday on a tunnel under Main Street in the Billings Heights. Sidewalks for the Alkali Creek trail extension project have already been poured, but digging the tunnel portion begins Monday morning.

Lake Delhi Dam failureWaters burst through the broken Lake Delhi dam in Northeastern Iowa, in this handout photograph taken and released on July 24, 2010. The small northeast Iowa town of Hopkinton was evacuated on Saturday after a "catastrophic" break in the dam sent a torrent of water dangerously close to the town, state officials said.

It is estimated by GlobalData that the accumulated installed capacity will reach to 140GW in 2015,and to 201GW in 2020 as for global small hydro.Visiting small hydro