Entries by Brett Walton

Ogallala Groundwater Study Will Set Stage for Colorado Water Conservation Debate

Farmers want to know the economic and social ramifications of reducing groundwater use. Photo via Shutterstock Cattle roam near a water tank on a ranch in northeastern Colorado. Farmers in the region are beginning to consider new limits on the amount of water they draw from the shrinking Ogallala Aquifer. Click image to enlarge. By […]

Federal Water Tap, September 8: Mississippi River Basin States Fail to Set Nutrient Pollution Targets

More than five years ago, a state and federal task force charged with developing a strategy for shrinking the low-oxygen dead zone in the Gulf of Mexico called on the 12 member states to produce plans by the end of 2013 for addressing the root cause: too much fertilizer flowing from farm fields into rivers; […]

More Trees Mean Less Water for California’s Mountain Rivers

If global warming increases vegetation in high mountain zones, less water might be available for rivers. Photo © Brett Walton / Circle of Blue The Kings River, shown here flowing through Kings Canyon National Park, begins high in California’s Sierra Nevada mountains, more than 4,000 meters (13,120 feet) above sea level. New analysis reckons that […]

Federal Water Tap, September 1: EPA Criticizes Restoration Plan for California’s Water Hub

The U.S. Environmental Protection Agency criticized a $US 25 billion water supply and ecosystem restoration plan for California’s Sacramento-San Joaquin Delta, saying that the plan would violate federal Clean Water Act standards for water quality and may not produce the desired habitat improvements. The delta is the largest estuary on the U.S. west coast and […]

California Senate Passes Groundwater Reform Legislation

The Assembly votes on Thursday.

California’s Dogged Drought Cutting Off Water Supplies to State’s Poor

Farmers are guzzling groundwater while wells of families run dry.

Federal Water Tap, August 25: Obama Administration Offers Guidance on Broad Environmental Reviews

In a set of draft guidelines meant to improve federal environmental reviews of new projects and policies, the White House Council on Environmental Quality recommended three circumstances in which broad “programmatic” analyses should be undertaken: 1) before setting national or regional rules 2) before adopting a plan for managing multiple resources 3) before making decisions […]

USGS Report: California Freshwater Withdrawals Are Lowest Since 1960s

Californians are taking less water out of rivers, lakes, and aquifers. California is adding people and growing its economy while taking less fresh water out of rivers, lakes, and aquifers than at any time in the last 45 years, according to U.S. Geological Survey data released Wednesday. California withdrew 38 billion gallons of salty and […]

California Lawmakers Move to Protect the State’s Collapsing Groundwater Supply

New rules seek sustainable use, but the details will be written later by local agencies.

Federal Water Tap, August 18: More Water for Lake Mead, But Levels Still Expected to Drop

One year after a record-low release of water from Lake Powell – which helped push the larger Lake Mead, located downstream on the Colorado River, to its lowest level since the bellwether reservoir was filled eight decades ago – federal officials will open the gates a little wider. According to a provisional operating plan, dam […]

California Lawmakers Pass $US 7.5B Water Bond

The spending measure now goes to the voters in November.

California Will Fall Short of Water Recycling Goals

Between $US 13 billion and $US 81 billion will be needed to meet state targets.