As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using satellite data, scientists have estimated the vast water losses.

Fishing requirements. For the stretches of the Columbia River upstream of Bonneville Dam to approx. 200’ above the fish ladder exit upstream to Hwy 730 at the Washington/Oregon border, the ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater—including sewage, industrial waste and runoff—into the Pacific ...

The U.S. Army Corps of Engineers is preparing for the Mississippi River to reach some of its highest water levels in recent years in New Orleans and Baton Rouge. According to forecasts, the river ...