AlexRenew

AlexRenew We are an independent public authority managing Alexandria’s wastewater to improve local waterways.

We are Alexandria, Virginia’s regional wastewater treatment provider, treating an average of 38 million gallons of wastewater per day from over 300,000 customers in Alexandria and portions of Fairfax County. Alexandria Renew Enterprises (AlexRenew) is one of the most advanced water resource recovery public utilities in the United States. We clean dirty water to protect our community and the enviro

nment. When dirty water flows from your home or business, we get to work turning it into sparkling, clean water.

Wondering what the inside of the RiverRenew pumping station looks like? Here are a few scenes from last week’s training ...
09/02/2026

Wondering what the inside of the RiverRenew pumping station looks like? Here are a few scenes from last week’s training session as our plant staff learn how to operate and maintain the system. In just two months of RiverRenew operating, we’ve already prevented millions of gallons of combined sewage from entering the Potomac River.

In August, the RiverRenew tunnel system captured over 25 million gallons of combined sewage overflows, bringing us to ov...
09/01/2026

In August, the RiverRenew tunnel system captured over 25 million gallons of combined sewage overflows, bringing us to over 52 million gallons captured in the past two months and 11 overflow events prevented. Did we mention we've also removed 3 tons of trash and debris?

Learn more about how RiverRenew supports healthier waterways at alexrenew.com/riverrenew.

08/31/2026

✨ Career Spotlight: What’s it like to work as an accountant at a wastewater treatment plant?

AlexRenew’s finance team is a key part of the work we do. You heard it from Senior Accountant Shawnette Hurley – finance isn’t just about numbers, but about collaborating and connecting with people.

Learn more about our work at alexrenew.com.

AlexRenew helps protect Alexandria's waterways. But can you name the waterways we're talking about? Check out this map t...
08/28/2026

AlexRenew helps protect Alexandria's waterways. But can you name the waterways we're talking about? Check out this map to find your local stream or river!

Note: If you live in Old Town Alexandria, a combined sewer system historically discharged raw sewage into Alexandria's waterways during large storms. AlexRenew's once-in-a-generation environmental initiative RiverRenew is designed to capture 120 million gallons per year of combined sewage, sending it to our plant for treatment. Learn more at alexrenew.com/riverrenew.

to this shot of the Waterfront Tunnel under construction in 2023 as Hazel the Tunnel Boring Machine dug her way beneat...
08/27/2026

to this shot of the Waterfront Tunnel under construction in 2023 as Hazel the Tunnel Boring Machine dug her way beneath Alexandria's waterfront. When it rains, this 2.2-mile long tunnel now transports combined sewage overflows from Old Town Alexandria to AlexRenew for treatment.

Good morning Alexandria! It's a beautiful morning for a stroll by the RiverRenew Plaza (aka the Pendleton Street Promena...
08/26/2026

Good morning Alexandria! It's a beautiful morning for a stroll by the RiverRenew Plaza (aka the Pendleton Street Promenade) 🦆 💧

Read more about the infrastructure beneath the plaza that's helping keep the Potomac River clean at the link in our bio.

Did you know that Moxie is named after Anammox, the bacteria that can remove harmful ammonia and nitrite from wastewater...
08/25/2026

Did you know that Moxie is named after Anammox, the bacteria that can remove harmful ammonia and nitrite from wastewater? Last week Moxie took a field trip to Hampton Roads Sanitation District, the source of the Anammox bacteria that will seed the newly upgraded facilities on our plant. Stay tuned for the next steps as we start up Anammox at AlexRenew!

👉 Learn more about Anammox at AlexRenew at the link in our bio.

📖 ✏️ It's the first day of school for Alexandria students! Moxie has a few tips to help students start the year off righ...
08/24/2026

📖 ✏️ It's the first day of school for Alexandria students! Moxie has a few tips to help students start the year off right. Swipe to see how students can help keep our waterways and wastewater infrastructure healthy all year long!

08/21/2026

Anammox bacteria, otherwise known as red bugs, have the unique ability to convert nitrite and ammonia to nitrogen gas and water more efficiently than other wastewater treatment methods. These bacteria play an important role in global nitrogen cycles, but the process for using them in wastewater treatment only began to be developed in the 1980s.

This week we picked up a fresh batch of red bugs from HRSD for our plant, where we've been upgrading our system for the past several months in preparation for the Anammox. Using Anammox on our plant will reduce our need for chemicals in our treatment process, saving energy and resources.

Learn more about these amazing bacteria at the link in our bio!

Engineering News-Record named RiverRenew to its list of the region’s 2026 Best Projects. The awards recognize outstandin...
08/20/2026

Engineering News-Record named RiverRenew to its list of the region’s 2026 Best Projects. The awards recognize outstanding design and construction projects, along with the teams that make them possible, across the country. https://bit.ly/4c07aiD

Address

1800 Limerick Street
Alexandria, VA
22314

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+17037213500

Website

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