Wastewater Management


Wastewater Management logo: Quality of Water = Quality of Life

Wastewater Management protects the public’s health and the region’s water quality by collecting and treating wastewater (sewage). The system collects and cleans up to 161 million gallons of wastewater per day for about 340,000 residential and business connections in Fairfax County. The county’s wastewater collection and conveyance system, one of the nation’s largest sanitary sewer systems, covers nearly 234 square miles.Wastewater Management protects both the public’s health and the region’s water quality by collecting and treating wastewater (sewage). The total system can collect and clean up to 161 million gallons of wastewater per day for about 340,000 residential and business connections in Fairfax County. Our wastewater collection and conveyance system, one of the nation’s largest sanitary sewer systems, covers nearly 234 square miles.

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Major Topics

  Announcements

Trouble Response/Emergency Response

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Sewer Service and Rates


 Outreach and Education 

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Contact Fairfax County: Phone, Email or Twitter | Main Address: 12000 Government Center Parkway, Fairfax, VA 22035
Technical Questions: Web Administrator

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