The Washington Aqueduct can add copper sulfate to its treatment process to fight algae issues in the Potomac River, protecting the D.C. area’s main water source.

WASHINGTON'S AQUEDUCT; THE SCANDAL AROUSED BY ITS CONSTRUCTION. BADLY-DONE WORK WHICH POINTS TO A SERIES OF CORRUPT JOBS BY SOMEBODY IN AUTHORITY. Oct. 7, 1888 The New York Times Archives See the ...

Since the 1850s, it has helped provide safe drinking water to the District. Now, the Washington Aqueduct is undergoing a $21 million repair.

WASHINGTON, Thursday, Sept 20. The War Department has relieved Capt. MEIGS from all the duties assigned him in the Special Orders of July.

The Washington Aqueduct is sourced from the Potomac River and serves as the public water supply for the D.C. area, Arlington County and other portions of Northern Virginia.

"Under advice from the Washington Aqueduct, DC Water issued the precautionary boil water advisory as a conservative measure to protect public health, and we sincerely appreciate our customers ...

The Army Corps. of Engineers saw increased cloudiness – called turbidity in technical terms – in water taken from the Washington Aqueduct, which services the District and Arlington County.

Precautionary boil water advisories for Washington, DC, and Arlington County were lifted Thursday morning, after local authorities announced water quality never deviated from safety standards.

A boil water advisory was issued Wednesday night for the entire District of Columbia and Arlington County. The Pentagon, Arlington National Cemetery and Reagan National Airport are also affected.

The Washington Aqueduct produces an average of 135 million gallons of water per day, supplying drinking water to roughly 1 million people in D.C., Arlington County and other parts of northern ...