DC Water's

Projects

Our capital improvement plan is measured in the billions. That's the level of investment required to upgrade our water and sewer systems, comply with federal mandates to reduce nutrient discharges and combined sewer overflows to local rivers, and improve the efficiency of our operations. This work is occurring across the city, and using the search filters below you can see what's happening in your neighborhood.

Click to view current and planned DCWater projects by Ward or ANC.

Dulles Airport - Loudoun County, VA Potomac Interceptor Rehabilitation
Potomac Interceptor
Dulles Airport - Loudoun County, VA Potomac Interceptor Rehabilitation
Dulles Airport - Loudoun County, VA Potomac Interceptor Rehabilitation
Maryland-DC Border along Clara Barton Parkway Potomac Interceptor Rehabilitation
Potomac Interceptor
Maryland-DC Border along Clara Barton Parkway Potomac Interceptor Rehabilitation
Maryland-DC Border along Clara Barton Parkway Potomac Interceptor Rehabilitation
Broad Run - Loudoun County, VA Potomac Interceptor Rehabilitation
Potomac Interceptor
Broad Run - Loudoun County, VA Potomac Interceptor Rehabilitation
Broad Run - Loudoun County, VA Potomac Interceptor Rehabilitation
Clara Barton Parkway near Rock Run - Cabin John, MD Potomac Interceptor Rehabilitation
Potomac Interceptor
Clara Barton Parkway near Rock Run - Cabin John, MD Potomac Interceptor Rehabilitation
Clara Barton Parkway near Rock Run - Cabin John, MD Potomac Interceptor Rehabilitation
Pennyfield Lock - Montgomery County, MD Potomac Interceptor Rehabilitation
Potomac Interceptor
Pennyfield Lock - Montgomery County, MD Potomac Interceptor Rehabilitation
Pennyfield Lock - Montgomery County, MD Potomac Interceptor Rehabilitation
Water Valve and Hydrant Assessment Program
Water
Water Valve and Hydrant Assessment Program
The Valve and Hydrant Assessment Program, launched as part of the DC Water’s Blueprint 2.0 initiativ
SANITARY SEWER REHABILITATION PROGRAM SOUTHWEST/SOUTHEAST/NORTHEAST AREAS – WARDS 7&8
Sewer
SANITARY SEWER REHABILITATION PROGRAM SOUTHWEST/SOUTHEAST/NORTHEAST AREAS – WARDS 7&8
As part of its Capital Improvement Program, DC Water will be performing sanitary sewer rehabilitatio
SANITARY SEWER REHABILITATION PROJECT GEORGETOWN NEIGHBORHOOD – ANC 2E
Sewer
SANITARY SEWER REHABILITATION PROJECT GEORGETOWN NEIGHBORHOOD – ANC 2E
As part of its ongoing program to inspect, evaluate, and rehabilitate sewers across the city, DC Wat
REHABILTATION OF 26TH AND K STREET NW PUMPING STATION FOGGY BOTTOM AREA – ANC 2A
Water
REHABILTATION OF 26TH AND K STREET NW PUMPING STATION FOGGY BOTTOM AREA – ANC 2A
DC Water is undertaking the rehabilitation of the 26th and K Stormwater Pump Station, which is curre
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Atlas District, Capitol Hill, and Kingman Park Neighborhoods ADVISORY NEIGHBORHOOD COMMISSION 6A and 7D
Water
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Atlas District, Capitol Hill, and Kingman Park Neighborhoods ADVISORY NEIGHBORHOOD COMMISSION 6A and 7D
As part of its Capital Improvement Program, DC Water is replacing existing 12-inch and smaller cast
SANITARY SEWER REHABILITATION PROJECT DOWNTOWN DC AREA – ANCs 2A & 2C
Sewer
SANITARY SEWER REHABILITATION PROJECT DOWNTOWN DC AREA – ANCs 2A & 2C
As part of its Capital Improvement Program, DC Water will be performing a sanitary sewer rehab
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT WOODLAND, FORT STANTON, & HISTORIC ANACOSTIA NEIGHBORHOODS ADVISORY NEIGHBORHOOD COMMISSION 8A & 8B
Water
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT WOODLAND, FORT STANTON, & HISTORIC ANACOSTIA NEIGHBORHOODS ADVISORY NEIGHBORHOOD COMMISSION 8A & 8B
As part of its Capital Improvement Program, DC Water is abandoning and installing large diameter duc
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT BARNABY WOODS NEIGHBORHOOD ADVISORY NEIGHBORHOOD COMMISSION 3/4G
Water
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT BARNABY WOODS NEIGHBORHOOD ADVISORY NEIGHBORHOOD COMMISSION 3/4G
As part of its Capital Improvement Program, DC Water is abandoning and installing large diameter duc
Helicopters, Heavy Rigs, and Rock Samples: DC Water's High-Stakes Mission Beneath the Potomac Interceptor
Potomac Interceptor
Helicopters, Heavy Rigs, and Rock Samples: DC Water's High-Stakes Mission Beneath the Potomac Interceptor
Helicopters, Heavy Rigs, and Rock Samples: DC Water's High-Stakes Mission Beneath the Potomac Interc
The Race to Restore a Vital Link After Floodwaters Ripped Through Union Arch Trail
Potomac Interceptor
The Race to Restore a Vital Link After Floodwaters Ripped Through Union Arch Trail
The Race to Restore a Vital Link After Floodwaters Ripped Through Union Arch Trail
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Capitol Hill Neighborhood ADVISORY NEIGHBORHOOD COMMISSION 6B
Water
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Capitol Hill Neighborhood ADVISORY NEIGHBORHOOD COMMISSION 6B
As part of its Capital Improvement Program, DC Water is replacing existing 12-inch and smaller cast
ROCK CREEK MAIN INTERCEPTOR PROJECT GEORGETOWN & WEST END NEIGHBORHOODS ANC – 2A & 2E
Sewer
ROCK CREEK MAIN INTERCEPTOR PROJECT GEORGETOWN & WEST END NEIGHBORHOODS ANC – 2A & 2E
The Rock Creek Main Interceptor (RCMI) is a major sewer line carrying 100 million gallons of wastewa
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT PETWORTH NEIGHBORHOOD ANC - 4C
Water
LARGE DIAMETER WATER MAIN DEAD END ELIMINATION PROJECT PETWORTH NEIGHBORHOOD ANC - 4C
As part of its Capital Improvement Program, DC Water is abandoning and installing large diameter duc
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Chevy Chase and Forest Hills Neighborhoods ADVISORY NEIGHBORHOOD COMMISSION 3F and 3/4G
Water
SMALL DIAMETER WATER MAIN REPLACEMENT PROJECT Chevy Chase and Forest Hills Neighborhoods ADVISORY NEIGHBORHOOD COMMISSION 3F and 3/4G
As part of its Capital Improvement Program, DC Water is replacing existing 12-inch and smaller cast
ROCK CREEK MAIN INTERCEPTOR PROJECT GEORGETOWN & WEST END NEIGHBORHOODS – ANC 2A & 2E
Sewer
ROCK CREEK MAIN INTERCEPTOR PROJECT GEORGETOWN & WEST END NEIGHBORHOODS – ANC 2A & 2E
During routine inspections, DC Water identified structural issues and the need for immediate repairs
About DC Water
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April 24, 2023

Monday 9:00 AM

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DC Water Officials with NPS and ANC commissioners doing ceremonial groundbreaking
DC Water Breaks Ground on Piney Branch Tunnel, Final Phase of DC Clean Rivers Project

Today, DC Water broke ground on the Piney Branch Tunnel, the final major tunnel in our Clean Rivers Project. This work will help keep sewage and trash out of local waterways and make Rock Creek, the Potomac River, and the Chesapeake Bay cleaner for our community.

When we finish the Piney Branch Tunnel, it will hold at least 4.2 million gallons of rainwater and wastewater during heavy storms. Instead of overflowing into Piney Branch, that water will go to the Blue Plains Water Resource Recovery Facility, where it will be treated.

Latest Blog Post
Plastic bottles, cups and other floating debris on the surface of the Anacostia River before the Anacostia River Tunnel began operating.
Cleaner Waterways Start With Everyday Choices
Protecting our waterways starts with everyday actions and continues through critical infrastructure designed to keep pollution out of our rivers.
Upcoming Meeting
D.C. Retail Water and Sewer Rates Committee Meeting
Date
July 28, 2026
Tuesday, 9:30 AM

Upcoming Events

Jul 25
International Colombian Festival
11:00 am - 8:00 pm
Jul 30
Lead Free DC at AdMo Vibes Concert Series
6:00 pm - 7:30 pm
Jul 31
Lead Free DC at the East River Family Strengthening…
11:00 am - 3:00 pm
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Payment Plan Incentive: provides a credit back of 50% of the last 3 payments made. Eligible participants are residential customers who have had an outstanding balance for 60 days or greater and with an outstanding balance of $500 or more.

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