Is Washington D.C. Tap Water Safe to Drink?

Last Update1:45 am, May 15, 2020

The estimated price of bottled water

$1.77 in USD (1.5-liter)

Can You Drink Tap Water in Washington?

Yes, tap water is drinkable.

There was no general information available in WHO data about safely managed drinking water in District of Columbia. You may check the rate of travelers and residents of Washington water quality.

What Do People In District of Columbia Think About The Tap Water?

Travelers and residents of District of Columbia have rated the water quality and pollution as follows, according to subjective survey data. A score of 100% is considered very high, and a score of 0% is very low. Please be cautious that "moderate to very high" water pollution is bad and the higher the rate of water quality the better.

Tap water ratings

  • Drinking Water Pollution and Inaccessibility 33% Low
  • Water Pollution 49% Moderate
  • Drinking Water Quality and Accessibility 67% High
  • Water Quality 51% Moderate


D.C. Water and Sewer Authority

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Army Corps of Engineers and EPA Region 3, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the U.S. EPA (January 2019 - March 2019), tap water provided by this water utility was in compliance with federal health-based drinking water standards.

Utility details

  • Serves: 632323
  • Data available: 2012-2017
  • Data Source: Purchased surface water
  • Total: 36

Contaminants That Exceed Guidelines

  • Arsenic*
  • Bromodichloromethane
  • Chloroform
  • Chromium (hexavalent)
  • Dibromochloromethane
  • Dichloroacetic acid
  • Nitrate*
  • Total trihalomethanes (TTHMs)
  • Trichloroacetic acid

Other Detected Contaminants

  • Aluminum*
  • Antimony*
  • Atrazine*
  • Barium*
  • Bromochloroacetic acid
  • Bromoform
  • Caffeine*
  • Chlorate
  • Cyanide*
  • Dalapon*
  • DCPA mono- and di-acid degradates*
  • Dibromoacetic acid
  • Fluoride*
  • Haloacetic acids (HAA5)
  • Lithium*
  • Manganese*
  • Metolachlor*
  • Molybdenum
  • Monobromoacetic acid
  • Monochloroacetic acid
  • N-Nitrosodi-N-butylamine*
  • N-Nitrosodimethylamine (NDMA)*
  • Perchlorate*
  • Simazine*
  • Strontium
  • Thorium*
  • Vanadium


Always take extra precautions, the water may be safe to drink when it leaves the sewage treatment plant but it may pick up pollutants during its way to your tap. We advise that you ask locals or hotel staff about the water quality. Also, note that different cities have different water mineral contents.

Sources and Resources

The Washington DC tap water is safe to drink. Tap water in public areas in the District of Columbia, region is also safe to drinkTap water tastes excellent, and it’s free! Ask for tap water wherever, and if it’s unsafe, they will inform you.

D.C. Water provides over 100 million gallons of clean, safe drinking water to our customers in Washington, DC, every day. To guarantee that water meets or exceeds the federal Safe Drinking Water Act standards as it runs through pipes, they conduct thousands of water quality tests each year. At DC Water, they are committed to providing drinking water at the lowest possible price while protecting the health of our community.

Washington Tap Water

D.C. Water operates with the U.S. Army Corps of Engineers Washington Aqueduct to regulate corrosion of pipes and plumbing all over the District. The operation minimizes the release of lead into the water. D.C. Water meets all EPA standards for lead in water and continues to monitor, replace lead service pipes, and help customers distinguish and remove lead sources on their premises.

Source of Water in Washington, District of Columbia

The Washington tap water originates from surface water. D.C. Water obtains drinking water from the Washington Aqueduct member of the Army Corps of Engineers. The Aqueduct sources the water from the Potomac River at Great Falls and Little Falls, north of the District. The Aqueduct treats the water, and D.C. Water distributes it over 1,300 miles of water pipes everywhere in the District of Columbia.

The supplier does a few steps to clean up waterways. The Clean Rivers Project continue to reduce pollution into Rock Creek and the Potomac and Anacostia rivers. A newly improved skimmer boats Flotsam and Jetsam remove hundreds of tons of trash from surface water each year. The monitoring program keeps a close eye on rising compounds that could affect river health and water quality.

Current Weather in DC


Some of the Convenience Stores in Washington DC

B&K Convenience Store
B&K Convenience Store
  • Alabama Convenience Store
  • 7-Eleven
  • Wawa
  • New York Convenience Store
  • Union Kitchen Grocery
  • Sunoco Gas Station
  • CVS
  • Mac Market & Deli
  • Argyle Market
  • Gallery Gourmet Market & Dry Cleaners
  • Chinatown Market
  • Walgreens
  • Flavor Us Market
  • The Corner Market
  • Uptown Mart

Estimated Price of Bottled Water


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