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Water flows into the C&O Canal from the enhanced bypass pumping system on Feb. 21, 2026. (Louie Palu/ Agence VU — For The Washington Post)
Apr 21, 2026

MD, DOJ both sue DC Water over Potomac River sewage leak

The Justice Department and Maryland's attorney general each sued D.C. and its water and sewage authority over the leak of untreated wastewater into the Potomac River.

The construction of U.S. President Donald Trump's White House ballroom continues in Washington, D.C., January 12, 2026. (REUTERS/Kevin Lamarque/File Photo)
Apr 20, 2026

Trump ballroom construction allowed for now, appeals court says

A U.S. appeals court allowed the Trump administration to continue construction of a $400 million ballroom on the site of the White House’s demolished East Wing.

D.C. Water officials spent weeks repairing the section of the Potomac Interceptor that records show was first identified as a potential problem in 2018. (Louie Palu/Agence VU/For The Washington Post)
Apr 3, 2026

Catastrophic Potomac River sewage spill in MD followed years of delay on repairs, review finds

The D.C.-area utility responsible for a massive sewer line that failed catastrophically had planned to reinforce the aging section years ago but repeatedly delayed construction, an investigation found.

The construction of U.S. President Donald Trump's White House ballroom continues in Washington, D.C., January 12, 2026. (REUTERS/Kevin Lamarque/File Photo)
Mar 31, 2026

Judge halts Trump’s $400M White House ballroom project, for now

A U.S. judge blocked Donald Trump from proceeding with construction of a $400 million ballroom on the site of the White House's demolished East Wing.

President Donald Trump participates in a roundtable on rural health, at the White House in Washington on Jan. 16, 2026. (REUTERS/Nathan Howard/File Photo)
Feb 18, 2026

Groups sue to block Trump effort to rid parks of history, science information

Groups filed a lawsuit seeking to prevent the Trump administration from scrubbing information from parks and monuments.

Jack Faraone barely misses a putt as Cameron Levine reacts while they play golf in January at East Potomac Golf Links in Washington, D.C. (Matt McClain/The Washington Post)
Feb 16, 2026

Golfers sue Trump administration over public course takeover in DC

A pair of Washington-area golfers sued the Trump administration Friday over the president’s plan to overhaul a public golf course.

Jack Faraone barely misses a putt as Cameron Levine reacts while they play golf in January at East Potomac Golf Links in Washington, D.C. (Matt McClain/The Washington Post)
Jan 27, 2026

MD senators seek answers over terminated DC golf lease

Senators from Maryland and Virginia are seeking answers after the Interior Department terminated the lease for public golf courses in D.C.

D.C. Water crews installed industrial pumps as part of a bypass system to try to deal with a broken pipeline in Maryland. (Courtesy of D.C. Water)
Jan 26, 2026

Pumps installed to divert sewage spill from Potomac River in MD

D.C. Water crews have installed high-powered pumps in Maryland in an effort to divert sewage after part of a major pipeline collapsed.

Demolition of the East Wing of the White House on Oct. 23. The demolition is to make room for a new ballroom. (Matt McClain/The Washington Post)
Jan 7, 2026

Advocates sue Trump officials for answers on East Wing asbestos risks

Public health advocates sued the Trump administration, seeking FOIA records on asbestos inspections and abatement tied to the White House East Wing demolition.

A golfer tees off as a dump truck exits a makeshift dump site after dropping soil and debris from the East Wing of the White House, where President Donald Trump's proposed ballroom is being built, at the East Potomac Golf Course in Washington on Oct. 23, 2025. (REUTERS/Jessica Koscielniak)
Jan 2, 2026

Trump’s latest target in Washington: public golf courses

The Trump administration canceled a lease held by the nonprofit National Links Trust to oversee three public golf courses in Washington.

Michelino Sunseri, right, accepts a ceremonial belt buckle from Andy Anderson on Sept. 6, 2024, in Truckee, Calif., after breaking Anderson's record time for running up and down Grand Teton mountain in Grand Teton National Park in Wyoming a few days earlier. (Michelino Sunseri via AP)
Oct 22, 2025

Prosecutors retreat after convicting record-setting Grand Teton mountain runner in trail dispute

Michelino Sunseri set a Grand Teton record but faced misdemeanor charges for briefly shortcutting a prohibited trail in the park.

Nov 21, 2018

Protesters deliver signatures opposing Maryland pipeline

Dozens of people gathered outside of a National Park Service office in Maryland in a push to stop construction of a pipeline under the Potomac River.