San Antonio Water System’s W-6 Sewer Project

Screen Shot 2022-03-22 at 2.41.23 PM

Installation of a 60-inch sewer pipe. | Photo provided by SAWS

So far this year we’ve shared a few major developments happening in the Alamo City (Think: from new additions to Hemisfair to the DeLorean setting up headquarters in SA). Well, there’s also another project happening right under our feet literally — that you may have not even known about.

Screen Shot 2022-03-22 at 2.37.24 PM

A 142-inch Tunnel Boring machine at work. | Photo provided by SAWS

With depths reaching 150 feet, the San Antonio Water System (SAWS) is rebuilding aging sewer infrastructure from Hwy. 90 to S.W. Military Dr. The W-6 Sewer Project will replace five miles of a 60-year-old sewage pipeline that runs through Lackland Air Force Base. This massive project is set to support the city for at least the next 100 years + is expected to be completed in 2023.
Here are some extra details about the W-6 Sewer Project:

  • The development will replace 19,000 feet of a 54-inch sewer mainline using a 60-inch and 104-inch new pipeline made out of fiberglass and a material called polymer concrete that is resistant to corrosion.
  • In order to replace the pipe, SAWS constructed tunnels in four different segments using a boring machine (picture above).
  • The green line (picture in the map) highlights the completion of the tunnel and the placement of the pipe near Hwy. 90.
  • The line serves 700,000+ people from the Northwest to the Westside and down to the Southwest portion of town.
  • 90 percent of the total sewer flow from this project will make its way to the Leon Creek Water Recycling Center. According to the experts at SAWS, the line passes an average flow of 50 million gallons of sewage a day. Picture: a gallon milk bottle in a refrigerator multiplied by 50 million.
Picture1 copy

A map of the W-6 Project. | Photo provided by SAWS

To learn more about the W-6 Project and to keep updated with future SAWS developments, you can visit their website.

More from SATXtoday
Grab a seat, this one’s a page turner.
These local picks offer ways to save money, stay active, and spend time with the people who matter most.
These city gifts are way better than a Jelly of the Month Club membership.
A grassroots effort is helping San Antonio properties become part of a nationwide habitat network.
Jingle all the way to one of these festive spots
The 16th annual edition of Small Business Saturday falls on November 29 — the perfect time to help you add a local sparkle into your holiday shopping.
Over the next 10 days, we’re launching a reader-driven campaign to sustain what we do best.
Bookmark this guide for a curated list of events taking place each month that we’re most looking forward to.
Including gifts for significant others, retirees, holiday parties, young people, and gifts that ship fast.
From historic landmarks to rooftop bars, this guide rounds up the must-try restaurants, sights, and nightlife spots that make the Alamo City shine.