Arlington Re-Gen Is Underway
Early construction on Arlington Re-Gen officially began in December 2025, with visible activities beginning this month. This marks the start of a once-in-a-generation investment in Arlington’s wastewater system.
This multi-year program will modernize the Water Pollution Control Plant’s solids handling facilities, enabling more efficient processing and long-term resource recovery while maintaining uninterrupted service and minimizing impacts to surrounding neighborhoods.
All construction activities are carefully planned and monitored to ensure uninterrupted plant operations and minimal community impacts.
Read the full news release.
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Where the Work is Happening
All work will take place within the Water Pollution Control Plant’s fenced boundaries. The Plant will remain fully operational throughout construction, with no interruptions to wastewater treatment services.
 Schedule
Re-Gen construction will roll out in phases over several years.
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Early Work Package (2025–2026)
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Main Work Package (2027–2031)
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Commissioning & Startup (2031)
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Select building demolitions
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Foundation work for future treatment systems
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A modern, resource-recovery-focused treatment process
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Phased startup to ensure performance, safety, and reliability
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Most construction activity will occur during approved daytime hours, with work ramping up gradually throughout 2026. As construction progresses, neighbors may notice increased on-site activity, including equipment movement and material deliveries. Occasional overnight or weekend work may be approved on a case-by-case basis.
Traffic Impacts
No street closures are anticipated during the Early Work Package. Construction truck traffic will be limited and managed as vehicles enter and exit the site. No construction staff parking is permitted in surrounding neighborhoods.
Celebrating 100 Years of Arlington Water
Arlington County Water Department float for the Water Carnival, November 1927 (Photo courtesy of Arlington Public Library)
This year, Arlington County celebrates 100 years of public water service, a milestone that reflects a century of investment in public health, environmental protection, and community wellbeing.
Throughout the year, this newsletter will spotlight moments from Arlington’s water history and show how today’s investments, including Arlington Re-Gen, are shaping the next 100 years.
Arlington Water Pollution Control Plant staff at the Arlington History Museum with the trophy awarded to the winner of the 1927 Water Carnival Float Competition.
About the Program
By recovering renewable resources from wastewater, Re-Gen will advance more sustainable outcomes for Arlington. The Re-Gen program will:
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Reduce the Plant’s solids hauling truck traffic by half and eliminate deliveries of lime (a chemical compound typically used in wastewater treatment).
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Lower the Plant’s carbon footprint through energy-efficient systems and resource recovery
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Support sustainability by developing local end uses for biosolids
Contact Us
arlingtonregen.com
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