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🏆 FIRST PLACE! #TeamBlueWave took 1st place in the Collections event of the Operations Challenge at #WEFTEC2026 in New Orleans. Congratulations to the team for representing DC Water and putting their skills and expertise to the test! 👏

Team Blue Wave celebrates its Collections win, holding up No. 1 signs with their trophy at WEFTEC 2026.

Team Blue Wave celebrates its first-place Collections win at WEFTEC 2026.

Team Blue Wave poses with its first-place Collections trophy at WEFTEC 2026.

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DC Water @dcwater.bsky.social · 11h

Beginning Oct. 2, DC Water rates will increase by less than 6%. For the average residential customer, that’s about $9 more per month. The new rates support critical water & sewer improvements while maintaining assistance programs for eligible customers. 🔗 www.dcwater.com/about-dc-wat...

A smiling young child with curly hair sits at a table in a bright kitchen, holding a clear glass of water with both hands.

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DC Water @dcwater.bsky.social · 16h

BOAT RAMP CLOSURE: The Pennyfield Lock boat ramp is closed to trailers carrying boats during Potomac Interceptor rehabilitation work. Kayakers and other non-trailer users can still access the ramp. Details ▶️: www.dcwater.com/about-dc-wat...

A Chesapeake & Ohio Canal National Historical Park sign marking Pennyfield, surrounded by trees and greenery.

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DC Water @dcwater.bsky.social · 29/09/2026

DC Water customers are NOT impacted by WSSC Water’s essential-water-use-only request. Our customers can continue using water normally.

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DC Water @dcwater.bsky.social · 29/09/2026

Progress continues at the DC–Maryland border. Over the weekend, crews completed an invert pour, placing concrete inside the Potomac Interceptor where the pipe changes in size. This prepares the section for sliplining, when new pipe will be installed inside the existing line.

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DC Water @dcwater.bsky.social · 28/09/2026

How many times have you used water today? For a drink, a meal or a shower, every one of those moments depends on a source worth protecting. This #SourceWaterProtectionWeek, we’re recognizing our shared role in caring for the water our communities rely on. #ProtectTheSource

Graphic of a blue water droplet with a river inside. Text reads: “Protect the Source. Source Water Protection Week, September 27–October 3, 2026.

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DC Water @dcwater.bsky.social · 28/09/2026

A good neighbor wouldn’t keep this from you: Your home may qualify for a free lead service line replacement through Lead Free DC. See if you qualify at dcwater.com/lead, and help your neighbors find out if they do, too. Happy National Good Neighbor Day!

A person in a blue shirt approaches a brick home carrying materials as a resident greets them at the door.

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DC Water @dcwater.bsky.social · 27/09/2026

🌊 Happy #WorldRiversDay! DC Water’s Clean Rivers Project is helping reduce stormwater and sewage pollution and improve water quality in the Anacostia and Potomac rivers and Rock Creek. Here’s to protecting DC’s waterways today and for generations to come.

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DC Water @dcwater.bsky.social · 25/09/2026

💧👏 Our #TeamBlueWave is headed to New Orleans! After earning 2nd Place Overall at Water Jam, our Operations Challenge Team will compete in Division 2 at the National Operations Challenge during the Water Environment Federation’s Technical Exhibition and Conference (WEFTEC). Good luck, team! 💪🏆

DC Water Operations Challenge Team posing together with awards.

Two second-place awards for Collections and Lab Practices.

Three VWEA awards, including 2nd Place Overall, Maintenance and Collections.

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DC Water @dcwater.bsky.social · 24/09/2026

🚧 TRAFFIC ADVISORY: One lane of Clara Barton Parkway at the MD-DC border will close Saturday, Sept. 26, from 7 a.m.-3 p.m. as we continue rehabilitation of the Potomac Interceptor sewer line. Expect delays and follow flaggers through the work zone. 🔗 www.dcwater.com/about-dc-wat...

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DC Water @dcwater.bsky.social · 24/09/2026

It’s #PollutionPreventionWeek! 💧 What happens on our streets, below ground and at Blue Plains all plays a role in keeping pollution out of our rivers. Here’s how DC Water tackles it at every level. ⬇️

Pollution Prevention Week graphic showing how pollution is addressed above ground, below ground in the Anacostia River Tunnel, and at Blue Plains.

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DC Water @dcwater.bsky.social · 23/09/2026

Crews are responding to a water main break near New Hampshire Ave & Hamilton St NW impacting approx. 65 customers. We’re working with Pepco to stabilize a nearby utility pole so repairs can safely begin. The break has been located & damaged pipe will need to be replaced.

A backhoe braces a utility pole near the water main break at New Hampshire Avenue and Hamilton Street NW as a worker stands nearby.

A worker in reflective safety gear examines the exposed water main after the leak was located near New Hampshire Avenue and Hamilton Street NW.

A close-up of the exposed, damaged water main that will require replacement near New Hampshire Avenue and Hamilton Street NW.

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DC Water @dcwater.bsky.social · 22/09/2026

🍂 Leaves: changing 🌡️ Temps: dropping 💧 Tap water: always in season Happy first day of fall from DC Water!

Illustration of Wendy, DC Water’s blue water drop mascot, wearing a brown knit hat and holding a green rake surrounded by colorful autumn leaves. Text reads, “Happy First Day of Fall.”

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DC Water @dcwater.bsky.social · 21/09/2026

The first 51-inch Hobas pipes have arrived at Pennyfield Lock! 🙌 Crews will use the fiberglass-reinforced pipe to rehabilitate 1,700 feet of the Potomac Interceptor through sliplining. Site preparation continues as additional pipe deliveries arrive.

Hobas Pipe being unloaded at Pennyfield Lock

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DC Water @dcwater.bsky.social · 19/09/2026

It’s Emily’s big day! 💧🚧 We’re at West Potomac Park for Emily’s Christening & Community Day. Emily is the second of two sister tunnel boring machines helping build the 5.5-mile Potomac River Tunnel. #PRTEmily

Potomac River Tunnel project team members gathered at the construction site wearing high-visibility safety shirts and hard hats.

DC Water Interim General Manager Matthew T. Brown speaks at a podium at the Potomac River Tunnel construction site, with TBM Emily’s cutterhead and construction equipment behind him.

TBM Emily’s cutterhead suspended by cables at the Potomac River Tunnel construction site, with a DC Clean Rivers Project sign displayed on the front.

Dr. Moussa Wone speaks at a podium at the Potomac River Tunnel construction site, with TBM Emily’s cutterhead and construction equipment behind him.

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DC Water @dcwater.bsky.social · 18/09/2026

We’re ONE DAY away! 🎉🚧 Bring the family to Potomac River Tunnel Community Day tomorrow to check out the equipment, meet TBM Emily and enjoy activities for all ages. Plus, Wendy will be there to join the fun! 💧 See you at West Potomac Park: www.dcwater.com/about-dc-wat...

A surface view of cranes and tunnel boring machine parts.

A view from within the tunnel of ventilation ducts and the back of the tunnel boring machine.

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DC Water @dcwater.bsky.social · 17/09/2026

🚧 TRAFFIC ADVISORY: One southbound lane on Rock Creek and Potomac Parkway NW between F St and Virginia Ave will be temporarily closed Sept. 19–20, from 7 a.m.–7 p.m. each day, weather permitting. Allow extra travel time and use caution. Details: www.dcwater.com/about-dc-wat...

Temporary closure of September
the southbound curb lane on Rock Creek and Potomac Parkway NW - Rock Creek and Potomac Parkway Lane Closure Map

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DC Water @dcwater.bsky.social · 17/09/2026

DC, want to see what we’ve been building under your feet? 👀 This Saturday, head underground for an up-close look at Potomac River Tunnel construction. Not your average Saturday—and definitely something to tell your friends about. 😏 Spots are limited: prtcommunityday.rsvpify.com

Looking up from the bottom of the main shaft as a crane lowers a gantry.

A view of the concrete-lined walls and support systems inside the Potomac River Tunnel during construction.

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DC Water @dcwater.bsky.social · 16/09/2026

🚧 HEADS UP: Beginning this week through the end of September, one lane of Clara Barton Parkway at the MD-DC border may temporarily close from 10 a.m.-2 p.m. for Potomac Interceptor work. The other lane will remain open, with traffic alternating in both directions: www.dcwater.com/about-dc-wat...

MD-DC Border Lane Closure for PI Rehab Map

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DC Water @dcwater.bsky.social · 16/09/2026

1/3 Geopolymer lining? Check. ✅ Crews have finished this phase of work on the Potomac Interceptor at Clara Barton Parkway near the Maryland-D.C. border. Here’s what the affected section looked like before the geopolymer work. 👇

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DC Water @dcwater.bsky.social · 15/09/2026

This #HispanicHeritageMonth, we celebrate the Hispanic and Latino employees who help us provide safe, reliable water and protect the health of our communities and waterways. 💧 Their contributions help keep the District running every day.

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DC Water @dcwater.bsky.social · 14/09/2026

August by the numbers: Lead Free DC replaced 362 lead service lines, visited 6,125 homes, welcomed 835 new households into the program, and attended 13 community events. Check your property’s status: dcwater.com/lead

An infographic titled "Lead Free DC August" lists achievements: Replaced 362 lead service lines, visited 6,125 homes across all 8 Wards, signed 835 homes up for free replacements, attended 13 community events and meetings. Logos of DC Water and Lead Free DC are at the bottom. In the background, workers in safety vests are performing street maintenance.

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DC Water @dcwater.bsky.social · 11/09/2026

25 years later, Washington remembers. We pay tribute to the nearly 3,000 lives lost, including those at the Pentagon, and honor the courage and sacrifice of first responders. We stand with the survivors and families whose lives were forever changed. We will never forget.

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DC Water @dcwater.bsky.social · 10/09/2026

Want to go 105 feet below DC? 👀 On Sept. 19, we're opening the gates for Potomac River Tunnel Community Day. Meet TBM Emily, explore the construction site, and learn how we're building a cleaner Potomac River. Some visitors can even tour the tunnel underground. 🔗 www.dcwater.com/about-dc-wat...

Save the Date graphic for DC Water's Potomac River Tunnel Community Day featuring a construction site along the Potomac River. Event takes place September 19, 2026, at the West Potomac Park Construction Site.

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DC Water @dcwater.bsky.social · 08/09/2026

Work continues inside the Potomac Interceptor.  Here’s a before-and-after look as crews apply geopolymer to temporarily stabilize a section at the MD-DC border ahead of the permanent slip lining repair.  Learn more: www.dcwater.com/projects/mar...

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DC Water @dcwater.bsky.social · 07/09/2026

A lead-free DC takes work. A lot of it. 👷 The cones are only part of the story. This Labor Day, we’re recognizing the crews, inspectors, contractors and outreach teams helping replace lead service lines across the District. See the progress: dcwater.com/lead

A construction site with workers in high-visibility vests and hard hats. An excavator is parked on the street with an open pit. Safety cones and caution tape surround the area. Trees and a building are in the background.

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DC Water @dcwater.bsky.social · 07/09/2026

Give the laptop the day off. 💻 Today’s agenda: rest, recharge and drink some water. Happy Labor Day, DC. 💧

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DC Water @dcwater.bsky.social · 03/09/2026

Critical repair work at Broad Run is now complete. ✅ Crews strengthened 490 feet of the Potomac Interceptor in Loudoun County, marking the second of four high-priority repair locations completed. Work continues at the two remaining sites: www.dcwater.com/about-dc-wat...

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DC Water @dcwater.bsky.social · 01/09/2026

STARTING TONIGHT: One lane on Clara Barton Pkwy at Md.-D.C. border will temporarily close 8 p.m.-4 a.m. through Sept. 4 for emergency sewer repairs. Work will happen overnight when traffic is lighter. Other lanes stay open. Watch for signs and flaggers. 🔗 www.dcwater.com/about-dc-wat...

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DC Water @dcwater.bsky.social · 31/08/2026

✅ Another milestone complete! The Potomac Interceptor near Broad Run, Loudoun County now has a new reinforced lining. Once cured, it becomes a new pipe inside the old one, strengthening it and extending its life. Next: manhole lining, restoration and demobilization.

geopolymer and CIPP lining through the manhole

the pipe with the new reinforced lining installed

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DC Water @dcwater.bsky.social · 31/08/2026

700 feet. 1,200 tons. 100 feet underground. For the first time, we're sharing a look inside tunnel boring machine Mary beneath DC. These photos reveal the machine's support systems, underground operation, and parts of her workings we've never shown before.

Looking up from the bottom of a deep construction shaft with a tunnel entrance, crane, and utility pipes extending to the surface above.

Tunnel boring machine Mary being lowered into a deep construction shaft by a crane.

Interior of tunnel boring machine Mary showing equipment, cables, and a worker underground.

Close-up of pipes, cables, and support systems inside tunnel boring machine Mary.

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DC Water @dcwater.bsky.social · 28/08/2026

Critical repairs on the Potomac Interceptor at Broad Run revealed groundwater leaking into the damaged pipe. We sealed the opening and reinforced the pipe inside and out with a strong concrete-like material to help restore its strength and reliability. #DCWater

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DC Water @dcwater.bsky.social · 28/08/2026

Every glass of tap water starts with a healthy river. 💧 As #NationalWaterQualityMonth wraps up, help protect the Potomac: ✅ Keep litter and pet waste out of drains ✅ Limit pesticides and fertilizers ✅ Properly dispose of oil, grease and medications

National Water Quality Month graphic featuring the Potomac River flowing through Great Falls. Text reads: “August 2026. National Water Quality Month. The Potomac River at Great Falls is DC Water’s only source of drinking water.”

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DC Water @dcwater.bsky.social · 27/08/2026

DC Water has completed assembly of the final gantry behind the tunnel boring machine building the Potomac River Tunnel. At 706 feet long, Mary is tunneling north to help reduce pollution in the Potomac River. Learn more: www.dcwater.com/about-dc-wat...

The final gantry hangs above the drop shaft in West Potomac Park as a crane prepares to lower it.

The gantry at the bottom of the shaft, ready to be connected to the rest of the tunnel boring machine.

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DC Water @dcwater.bsky.social · 27/08/2026

The back-to-school list is long enough. Your water bill shouldn’t make this season even harder. Monthly discounts, flexible payment plans and emergency assistance may be available to eligible customers. See how we can help: dcwater.com/cares

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DC Water @dcwater.bsky.social · 26/08/2026

Today, Team Blue wears white.🤍 In recognition of #WomensEqualityDay, DC Water employees came together to honor those who fought for women’s right to vote and recognize the continued work toward greater equality and opportunity for all. #DCWater

DC Water employees wearing white in recognition of Women's Equality Day pose for a group photo on the roof of our headquarters.

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DC Water @dcwater.bsky.social · 26/08/2026

HAPPENING TONIGHT! Join our Lead Free DC virtual meeting to learn more about lead service line replacement and get your questions answered. Wednesday, August 26 | 7–8 p.m. Join: bit.ly/LFDCAug2026 Call in: 202-753-6714, 18173584#

Graphic promoting DC Water’s Lead Free DC virtual meeting, “Losing the Lead: Your Timeline, Your Yard, Your Questions,” on Wednesday, August 26, from 7 to 8 p.m. A photo shows a residential front yard and sidewalk after lead service line replacement work.

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DC Water @dcwater.bsky.social · 25/08/2026

Severe weather, flooding or a temporary water or sewer service interruption can happen with little warning. Taking a few simple steps now can help you stay prepared at home. Here’s how to get started: www.dcwater.com/whats-going-on/blog…

Emergency supplies arranged on a table, including bottled water, canned food, a backpack, first aid kit, flashlight, phone, medication and other essential items.

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DC Water @dcwater.bsky.social · 25/08/2026

National Emergency Management Awareness Month is a reminder that preparedness is a year-round responsibility. From major storms and water main breaks to cyber threats and special events, DC Water teams work together to keep essential services running and customers informed.

DC Water emergency management employees wearing hard hats and high-visibility safety vests gather outdoors. Text reads: “DC Water supports National Emergency Management Awareness Month, August 2026."

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DC Water @dcwater.bsky.social · 24/08/2026

July by the numbers: Lead Free DC replaced 390 lead service lines, visited 10,569 homes, welcomed 1,733 new households into the program, and connected with residents at 8 community events. Learn more: dcwater.com/lead

Lead Free DC July progress graphic over a photo of a worker at a service line replacement site. In July, Lead Free DC replaced 390 lead service lines, visited 10,569 homes across all eight wards, signed up 1,733 homes for free replacements and attended eight community events and meetings.

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DC Water @dcwater.bsky.social · 21/08/2026

Before you switch into weekend mode, here’s one date to save for next week: Wednesday, Aug. 26 | 7–8 p.m. Learn when lead service line replacement may reach your block, what happens on replacement day and how yards are restored afterward. Join: bit.ly/LFDCAug2026

A residential front yard and sidewalk following lead service line replacement, with dried grass-like material covering sections of the yard and dark asphalt patches near the walkway and curb.

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DC Water @dcwater.bsky.social · 20/08/2026

A look inside the Potomac Interceptor near Broad Run, where crews have begun applying geopolymer. The protective lining seals worn areas, strengthens the existing pipe and helps extend its life. Learn more: www.dcwater.com/projects/bro...

Interior view of the Potomac Interceptor near Broad Run, showing the gray geopolymer lining along the curved pipe walls.

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DC Water @dcwater.bsky.social · 19/08/2026

Here’s what we’ve been up to at the Piney Branch Tunnel construction site! Crews are drilling 78 steel-reinforced concrete columns to form an underground wall supporting the shaft that will be used to build the tunnel. Once complete, the tunnel will help reduce overflows during heavy rain. 💧

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DC Water @dcwater.bsky.social · 19/08/2026

If this made it to your feed, you’ve been chosen…to drink some water. 💧

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DC Water @dcwater.bsky.social · 17/08/2026

When will lead service line replacement reach your block? What happens to your yard afterward? Get answers at our next Lead Free DC virtual meeting. Wednesday, Aug. 26 | 7–8 p.m. Meeting details 👇 Join: bit.ly/LFDCAug2026 Call-in: 202-753-6714, 18173584#

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DC Water @dcwater.bsky.social · 17/08/2026

Mary’s got backup. 👏🦾 The gantries are officially going down! These connected platforms trail behind Mary the TBM, carrying critical systems that power, control and ventilate her as she digs. Another step closer to tunneling beneath the Potomac! 🌊

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DC Water @dcwater.bsky.social · 13/08/2026

64,000 water lines verified. We’re officially halfway there! 🎉 This milestone gives us a clearer picture of where lead service lines remain across DC and helps guide our replacement efforts. Thank you to the crews making it happen! Check your status: dcwater.com/lead

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DC Water @dcwater.bsky.social · 11/08/2026

10 years of turning waste into something worth celebrating. 🎂🌱 Bloom transforms wastewater into a resource that improves soil health, supports agriculture and creates value for our region. Learn more: www.dcwater.com/about-dc-wat...

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DC Water @dcwater.bsky.social · 10/08/2026

We’re putting the space above our Brentwood Reservoir to work for District residents. We joined project partners to celebrate the opening of a 1.8MW community solar system that will help 500+ income-qualified households save up to $3.8 million on electricity bills. www.dcseu.com/news/partner...

Rows of solar panels installed at DC Water’s Brentwood Reservoir.

Project partners pose behind a red ribbon with solar panels in the background.

Event attendees listen to remarks during the community solar opening celebration.

Project partners tour the Brentwood Reservoir community solar site.

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DC Water @dcwater.bsky.social · 07/08/2026

UPDATE: Recent testing shows bacteria levels in the Potomac River have returned to normal. Today is the final day of daily testing at 10 locations. Twice-weekly testing begins Aug. 18, with expanded water quality testing continuing through Sept. 10. 🔗 www.dcwater.com/about-dc-wat...

Section of Potomac River in Cabin John, MD showing river and trees - Potomac
River in Cabin John, MD

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