EPA seeks public comment on proposed rulemaking to address water quality conditions affecting aquatic resources in the San Francisco Bay/Sacramento-San Joaquin Delta Estuary in California.

EPA determined that perchlorate meets the SDWA's criteria for regulation as a contaminant.

The U.S. Forest Service seeks public comment on a proposed new rule to guide land and resource management planning for all units of the National Forest System.

FWS determined endangered status for seven Brazilian bird species and subspecies under the ESA.

FWS designated approximately 411 miles of rivers and streams in Colorado as critical habitat for the Preble's meadow jumping mouse.

FWS designated approximately 9,331 acres in the Santa Ana River and the Big Tujunga Creek in southern California as critical habitat for the Santa Ana sucker.

FWS designated approximately 187,157 square miles in Alaska and adjacent territorial and U.S. waters as critical habitat for the polar bear under the ESA.

FWS designated approximately 13 miles of stream in the Turkey Creek Watershed in Jefferson County, Alabama, as critical habitat for the vermilion darter under the ESA.

EPA finalized minimum requirements under the SDWA for underground injection of carbon dioxide for the purpose of geologic sequestration.

EPA established criteria for nitrogen/phosphorus pollution in the lakes, flowing waters, and springs of Florida.