Entries by Brett Walton

Arizona and California Farmers, Targets for Colorado River Cuts, Draft Their Conservation Strategy

Nearly 1 million acre-feet of compensated water cuts are being discussed.

Federal Water Tap, August 1: EPA Shows Interest in Fireworks Contamination of Drinking Water Sources

The Rundown The EPA will fund research into drinking water contamination following fireworks shows. U.S. and Canadian governments assess the state of the Great Lakes. The GAO assesses technologies for detecting and treating PFAS chemicals. The Senate passes water infrastructure legislation. The Bureau of Reclamation releases a draft environmental impact statement for the White Mountain […]

A Colorado River Glossary: Jargon Explained

How to tell your DCP from your ICS

Federal Water Tap, July 25: EPA Hints at Future PFAS Standards

The Rundown EPA staff hints at the maximum contaminant level goal for two PFAS chemicals. EPA also expects to change interim health advisories for the same two chemicals, PFOA and PFOS. The Interior Department releases guidance for using infrastructure funds for abandoned coal mine reclamation. The U.S. Geological Survey investigates PFAS chemicals in West Virginia […]

Big Water Pipelines, an Old Pursuit, Still Alluring in Drying West

Diverting Mississippi River is not happening, though.

Federal Water Tap, July 18: White House Considers Impacts of Breaching Snake River Dams

The Rundown The White House releases a pair of reports on Snake River hydropower and fisheries restoration. The Bureau of Reclamation revises the storage capacity of Lake Powell to account for storage loss due to sediment buildup. Federal nuclear regulators intend to issue a license for an interim nuclear waste storage facility in southeastern New […]

Five Things to Know About Drought in the American West

A new climate is re-writing the story of America’s drylands.

Federal Water Tap, July 11: Rio Grande Water Dispute Moves Closer to Resolution

The Rundown Rio Grande states say they have the outlines of a legal settlement over use of the basin’s water. USGS researchers calculate the age of groundwater across the U.S. Federal energy regulators propose that electric transmission providers report on their actions to assess climate-related risks. And lastly, Utah moves forward with a federal study […]

Federal Water Tap, June 27: Forest Service Errors Led to New Mexico Wildfire

The Rundown The U.S. Forest Service examines mistakes that turned a prescribed burn in New Mexico into the state’s largest-ever wildfire. USAID releases a draft version of its contribution to the government’s global water strategy. The Bureau of Reclamation asks the public what to do about water in the Colorado River basin. The EPA’s internal […]

EPA Warns of Health Problems When PFAS Levels in Drinking Water Are Inconceivably Tiny

Revised health advisories are a precursor to federal regulation.

Federal Water Tap, June 20: EPA Issues PFAS Warning and Troubled Colorado River Is Focus of Senate Hearing

The Rundown The EPA strengthens non-binding health advisories for two PFAS chemicals and issued new advisories for two others. The EPA appraises end-of-life plans for more than 160 coal ash ponds that could be polluting groundwater. The EPA also invites applications for $1 billion in PFAS response funds that will help small and disadvantaged communities […]

Drought’s Spillover Effect in the American West

In a region latticed with pipelines and canals, the consequences of dry conditions in one basin are exported to neighboring watersheds.