Washington, D.C

Boil water advisory issued for all of D.C., Arlington County due to algae blooms

Published

2 years ago

July 4, 2024

Press Room

Boil water advisory issued for all of D.C., Arlington County due to algae blooms

7/3: CBS Morning News

19:56

A boil water advisory was issued Wednesday night for the entire District of Columbia and neighboring Arlington County due to a spike in algae blooms in the Potomac River, officials said.

The District of Columbia Water and Sewer Authority said the advisory, which it described as “precautionary,” also included the Pentagon, Arlington National Cemetery and Reagan National Airport.

“We have no information that the water was contaminated by this incident, but we issue this advisory as a precaution while we test the water,” the agency said.

The Washington Aqueduct is sourced by the Potomac River and serves as the public water supply for about one million people in the D.C. area, Arlington County and other portions of Northern Virginia.

The U.S. Army Corps of Engineers said in a news release that the advisory stemmed from “elevated turbidity levels in the water supply caused by increases in algae blooms in the Potomac River.”

Turbidity is a measure of the clarity and cloudiness of water.

“Customers may notice their water looks cloudy or hazy,” Arlington County said in a news release.

The Washington Aqueduct has two water treatment plants. The Army Corps of Engineers responded to the elevated turbidity by temporarily transferring all water treatment operations from the Dalecarlia plant to the McMillan plant, DC Water said.

The Environmental Protection Agency also authorized adding additional copper sulfate and sodium permanganate to the aqueduct’s reservoirs to combat the algae, the Army Corps of Engineers said.

Residents were advised to bring drinking water to a rolling boil for one minute before letting it cool. Water should then be stored in a covered container.

The advisory will remain in effect until further testing deems the water safe to drink.

Faris Tanyos

Faris Tanyos is a news editor for CBSNews.com, where he writes and edits stories and tracks breaking news. He previously worked as a digital news producer at several local news stations up and down the West Coast.

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Washington, D.C

US Park Police officer shot in Washington, DC

Published

2 hours ago

March 23, 2026

Press Room

US Park Police officer shot in Washington, DC

A U.S. Park Police officer was shot in Washington, D.C., while on duty, according to a statement from the agency.

Park Police said the officer was shot at 7:30 p.m. on Monday in Southeast Washington on Queens Stroll Pl.

The officer has been transported to a local hospital, officials said.

The circumstances of the shooting are unclear. A Park Police spokesperson told ABC News the officer has non-life-threatening injuries.

Attorney General Pam Bondi said on X that she has spoken to D.C. Mayor Muriel Bowser and Metropolitan Police Chief Jeffery Carroll and was briefed on the shooting.

“Please pray for the officer’s recovery,” the attorney general said.

This is a developing story. Please check back for updates.

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Washington, D.C

Exhibition Game in Washington, D.C.

Published

15 hours ago

March 23, 2026

Press Room

Photo by Sol Tucker/TalkNats The Washington Nationals have an exhibition game at Nationals Park against Baltimore as part of their home-and-road 2-game series with the Orioles. This is the final warm-up against another team before Opening Day in two days … Continue reading →

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Washington, D.C

Storm Team4 Forecast: Chance of severe storms before cooler Monday

Published

1 day ago

March 22, 2026

Press Room

Storm Team4 Forecast: Chance of severe storms before cooler Monday

4 things to know about the weather:

Storms overnight, severe chance
Cooler Monday
Clouds to start, then sunshine tomorrow
Cold next few mornings

After a very warm afternoon, there is a cold front that is approaching. The front will move through the area tonight, sparking showers and storms, then delivering colder air for the start of the new workweek.

There is a SEVERE THUNDERSTORM WATCH for our counties to the far northwest, including Maryland counties Washington, Allegany and Garrett, and a portion of Morgan county in West Virginia. The watch is until 10 p.m. Sunday.

There is a chance for storms to be severe tonight, including the risk of damaging winds and hail. The risk decreases through the night as the storms move south and east with the front. The storms may be noisy tonight with thunder, heavy rain, and hail. Expect drier conditions after sunrise tomorrow.

Do not forget your jacket Monday. The cooler air behind the front keeps the area in the 50s all day. Lows will drop into the 30s Monday night.

Download the NBC Washington app on iOS and Android to check the weather radar on the go.