EPA approved revisions to Arizona's National Primary Drinking Water Regulations electronic reporting program.

NOAA announced that it revised procedures for implementing NEPA in regards to categorical exclusions and related extraordinary circumstances.

OSM issued its "stream protection rule," which revises numerous SMCRA regulations to better protect water supplies, surface water and groundwater quality, streams, fish, wildlife, and related environmental values from the adverse impacts of surface coal mining operations and to provide mine operators with a regulatory framework to avoid water pollution and the long-term costs associated with water treatment.

EPA proposed to establish fees related to the provision of federal credit assistance under the Water Infrastructure Finance and Innovation Act of 2014.

The U.S. Army Corps of Engineers proposed to update and clarify its policies governing the use of its reservoir projects for domestic, municipal, and industrial water supply pursuant to §6 of the Flood Control Act of 1944 and the Water Supply Act of 1958 to enhance its ability to cooperate with state and local interests in the development of water supplies in connection with the operation of its reservoirs for federal purposes.

EPA announced the availability of a final report, “National Lakes Assessment 2012: A Collaborative Survey of Lakes in the United States” on the condition of the nation’s lakes, future actions, and challenges.

EPA issued guidance for municipalities, industries, and other facilities to electronically report data required by the NPDES permit program instead of filing written paper reports.

The Gulf Coast Ecosystem Restoration Council confirmed that on April 4, 2016, the U.S. District Court for the Eastern District of Louisiana entered a consent decree among the United States, BP Exploration & Production Inc., and the states of Alabama, Florida, Louisiana, Mississippi, and Texas for civil penalties and natural resource damages in connection with the Deepwater Horizon oil spill; therefore, the Council's spill impact regulation implementing the spill impact component allocation of the RESTORE Act of 2012 is now in effect.

United States v. GMR Progress LLC, No. 3:16-cv-01507 (D.P.R. Mar. 21, 2016). A settling OPA defendant must pay a total of $2,750,000 in natural resource damages stemming from an August 29, 2007, oil spill, including $83,090 in assessment costs and $2,666,910 in restoration costs.

The president issued a memorandum, Building National Capabilities for Long-Term Drought Resilience, on March 21, 2016, to institutionalize the National Drought Resilience Partnership and to provide the federal government with a platform that allows locally and regionally driven priorities and needs to guide coordinated federal activities.