EPA proposed to approve Maine's NPDES program to include the permitting of all discharges within the Indian territories of the Penobscot Nation and the Passamaquoddy Tribe.

EPA Region 10 reproposed effluent limits for mercury, copper, total aromatic hydrocarbons, total aqueous hydrocarbons, silver, and whole effluent toxicity under the NPDES general permit for oil and gas exploration, development, and production facilities in Cook Inlet, Alaska.

The U.S. Army Corps of Engineers proposed to authorize Natural Resources Conservation Service-approved categorical exclusions for recurring conservation, restoration, and survey-related activities in waters of the United States.

EPA and the U.S. Army Corps of Engineers seek public comment on proposed guidance to identify waters protected by the FWPCA consistent with the U.S. Supreme Court's SWANNC and Rapanos decisions.

The Federal Highway Administration transferred to the state of Utah the responsibility for the preparation of EAs and EISs under NEPA for federal-aid highway projects.

EPA announced that it has delegated to Virginia the authority to implement and enforce additional or revised NESHAPs and NSPS.

EPA announced that it has delegated to Pennsylvania the authority to implement and enforce 12 additional NESHAPs for area sources.

EPA announced delegation of authority to West Virginia to implement and enforce NESHAPs and NSPS.

NOAA-Fisheries announced a 90-day finding on a petition to revise critical habitat for the endangered leatherback sea turtle off the northeast ecological corridor of Puerto Rico; the agency found that revision may be warranted.

SIP Proposal: Indiana (updates to definitions; see above for direct final rule).