Entries by Brett Walton

Federal Water Tap, October 3: Congress Reaches Deal on Flint Aid, Budget

The Rundown Lawmakers find a path for Flint aid but they are not at the finish line yet. Exxon agrees to a $US 12 million oil spill settlement, and Southern Coal Corporation will pay $US 5 million for Clean Water Act violations. The EPA grants Clean Water Act powers to Indian tribes and considers water […]

EPA Announces National Wastewater Nutrient Pollution Census

Agency will study nitrogen and phosphorus removal at wastewater facilities. By Brett Walton, Circle of Blue The U.S. Environmental Protection Agency calls nutrient pollution the “single greatest challenge to our nation’s water quality.” Rising concentrations of nitrogen and phosphorus in waterways, the agency reports, are a significant threat to human health, ecosystems, and local economies. […]

Federal Water Tap, September 26: Dispute Over Flint Aid Obstructs Budget Bill

The Rundown A measure to fund the government through December does not include aid for Flint. A power company files for permits to take down four Klamath River dams. President Obama asks that climate change be incorporated into national security decisions. The EPA calls on states to do more to address nutrient pollution, while the […]

Climate Change Will Cripple Coastal Septic Systems

Backyard units need to adapt to changing environmental conditions. By Brett Walton, Circle of Blue Adapting sanitation systems to a fast-changing ecological reality is a challenge not only for big municipal institutions. According to new research, many septic systems — which are simple, backyard devices for addressing the ceaseless problem of toilet waste — are […]

Federal Water Tap, September 19: Senate Passes Water Resources Development Act

The Rundown The Senate passes a big water infrastructure bill that addresses sewer overflows, lead pipes, Great Lakes, and more. The State Department completes an environmental review for a desalinated water pipeline from Mexico to the San Diego area. Energy regulators issue a draft review of a Virginia natural gas pipeline. The U.S. Geological Survey […]

Federal Water Tap, September 12: Agencies Halt Dakota Access Pipeline Construction on Federal Land

The Rundown A federal judge said pipeline construction could proceed, but Obama administration decides to pause Dakota Access pending further review. The CDC surveys the Toledo community’s response to the 2014 toxic algal bloom that shut down the city’s drinking water system. EPA and state regulators close wastewater injection wells in Oklahoma because of earthquakes. […]

Federal Water Tap, September 6: President Obama Signs Paris Agreement, Pledges Salton Sea Help

The Rundown The United States joins a global climate agreement, while the secretary of state speaks bluntly in India about energy choices. President Obama promises federal attention to the shrinking Salton Sea. The EPA’s internal watchdog will investigate the agency’s oversight of state drinking water programs, while an EPA regional office tells New York City […]

U.S., Mexican Scientists Collaborate on Border Aquifer Research

First-ever assessment program confirms boundaries of two shared aquifers. By Brett Walton, Circle of Blue Not only are they geographic features, the rivers that mark the U.S.-Mexico border are also cultural icons. In March 2014, when the Colorado River surged into its delta for the first time in decades, the riverside town of San Luis […]

Federal Water Tap, August 29: Odds of Colorado River Shortage Drop Slightly in New Forecast

The Rundown The lower Colorado River Basin is still looking at roughly a 50/50 chance of a shortage declaration as soon as 2018. A federal judge will soon decide whether to block construction of an oil pipeline that crosses the Missouri River. President Obama tours the Louisiana flood zone and designates a new national monument […]

Groundwater Shared by Countries Is Knowledge Void

Management of transboundary aquifers is on the United Nations agenda this fall. By Brett Walton, Circle of Blue The Mekong River Delta is under immense pressure. Upstream, a cascade of dams in China trap water and silt, the building blocks of delta life. Downstream, demand for irrigation water is rising in the world’s rice bowl. […]

Federal Water Tap, August 22: U.S. Geological Survey Creates Interactive Map of Dam Removal Science

The Rundown Researchers compile dam removal studies into an easy-to-use online portal. President Obama declares four Louisiana parishes federal disaster areas, while FEMA updates its flood management policy. NOAA unveils a high-power water forecasting model. A Department of Energy lab tests the “salmon cannon.” The Air Force replaces a firefighting foam that was contaminating groundwater. […]

Conservation Prevents Colorado River Shortage Declaration

Lake Mead forecast to remain above shortage trigger in 2017. By Brett Walton, Circle of Blue A resolute effort in Arizona, California, and Nevada to reduce Colorado River water use is slowing the decline of Lake Mead and delaying mandatory restrictions on water withdrawals from the drying basin. The Bureau of Reclamation, the federal agency […]