Warning: 15,498 ‘High-hazard’ Dams in America

Breitbart News – The new American Society of Civil Engineers 2017 Infrastructure Report Card (ASCE) has identified 15,498 high-hazard dams, whose failure could risk loss of life. ASCE is appropriately holding this year’s Environmental & Water Resources Institute (EWRI) in Sacramento, California from May 21 to 25. The meeting is an opportunity for its members and infrastructure Read More…

LA lawns lose lots of water: 70B gallons a year

Phys Org – In summer 2010, Los Angeles was losing about 100 gallons of water per person per day to the atmosphere through the evaporation and plant uptake of lawns and trees. Lawns accounted for 70 percent of the water loss, while trees accounted for 30 percent, according to a University of Utah study published in Water Resources Research. The results, based on measurements taken Read More…

Water Quality & Allocation: State Water Board Overview & the Delta…

Maven's Notebook – Panel discussion touches on State Water Board’s authorities and the Bay Delta Water Quality Control Plan he State Water Resources Control Board was formed in 1967 in order to integrate water quality and allocation in California. Structured as a merger between the previously-existing State Water Rights Board and the State Water Quality Control Board, the new Board was Read More…

Melting Snowpack Poses Dangers in the Sierra Nevada This Week

Weather – Snowpack melt will accelerate this week in the Sierra Nevada due to very warm temperatures. High flows and flooding on rivers and streams is a danger to campers in the Sierra region. Cold water temperatures could cause hypothermia in a short amount of time. The Sierra Nevada snowpack is melting quickly this week as very warm temperatures grip the region, raising the Read More…

Helicopter used to forecast saltwater intrusion in Santa Cruz County

Santa Cruz Sentinel – Emerging from the heavy fog with a staccato roar, a low-flying helicopter lowered a nearly 3,700-square-foot fiberglass frame onto Seascape Park Monday morning. Nearby resident Veronica Joyce-Gallart, out for a walk at the time, was surprised. “I wasn’t sure what it was from a distance,” Joyce-Gallart said. “My first thought was, what on earth is that? I Read More…

Climate Change Taking Toll on Clarity of Lake Tahoe Water

U.S. News & World Report – Climate change is causing Lake Tahoe to warm sooner in the spring than it has historically, disrupting the normal mixing of shallow and deep water and undercutting gains made in reversing the loss of clarity of the cobalt mountain lake, scientists say. "Climate change is impacting not only Lake Tahoe's water quality, but also the health of its Read More…

You could fill Shasta Lake 7 times with farm groundwater lost during…

The Sacramento Bee – Central Valley farmers created a groundwater deficit large enough to fill an empty Shasta Lake seven times in order to keep their profitable orchards alive during California’s epic five-year drought. The massive scale of California’s groundwater pumping is outlined in a study released Wednesday by researchers at UCLA and the University of Houston. The researchers Read More…

How the Colorado River’s Future Depends on the Salton Sea

News Deeply – California's largest lake, the Salton Sea, is an accident. It was created in 1905 when a levee broke on an irrigation canal, flooding a giant desert playa. Today it has become a sticking point in negotiations between three states over the future of the Colorado River. The three states – California, Arizona and Nevada – are in the midst of negotiating a drought Read More…

CA water Commission: Sustainable Groundwater Management Act…

Maven's Notebook – DWR update provides an overview of GSA formation to date and a preview of new tools to aid GSAs in developing their groundwater sustainability plans At the April meeting of the California Water Commission, Trevor Joseph and Steven Springhorn with the Department of Water Resources Sustainable Groundwater Management program gave a high-level overview of how groundwater Read More…

Drought is gone from much of US

Earth Sky – Drought has largely disappeared from the United States. At the end of April 2017, just 6 percent of the United States was afflicted by drought – the lowest level in 17 years of analysis by the U.S. Drought Monitor, according to a report from NASA’s Earth Observatory. That is a substantial turnaround from a few years ago, when long and short term droughts spread across much Read More…