Sewer Use Program

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Sewer Use Program (Pre-Treatment Program)

The objective of the Town's Pretreatment Program is to prevent the introduction of pollutants that would interfere with the treatment plant’s operation, pass through the plant, and disrupt or destroy the aquatic life of the receiving waters, or adversely affect worker health and safety. The program meets this objective by continually evaluating the wastewater of new and existing facilities, issuing wastewater discharge permits, and monitoring permitted industries by regularly sampling wastewater discharge and conducting comprehensive facility inspections.

The Pretreatment program is mandated by state and federal regulation and monitors the discharge of residential and business waste into the sanitary sewer.  The compliance of this program is managed by the Town's Environmental Compliance Officer as set forth in the Town's Sewer Use Regulations.  When necessary, the officer initiates enforcement action to protect the wastewater treatment plant and the collection system from toxic or hazardous materials. Information regarding the Town's authority to establish, maintain and operate a sewage disposal system and issue violations and penalties can be found in the Town Code Chapter 34 UTILITIES and Ordinance 2016-O-008.

Wastewater treatment facilities are designed to treat domestic waste by physical, biological, and chemical processes. However, industries often use heavy metals, chemicals, acids or other materials in their operations.  In the sewer system, these materials have the potential to erode the sewer lines, produce explosive conditions, and interfere with the treatment facilities. The Pretreatment Program focuses on reducing harmful pollutants discharged from industries to the POTWs that could interfere with the treatment process or pass through the treatment system.  Local limits imposed by the program on industries ensure that the Town of Leesburg Water Pollution Control Facility meets the federally mandated discharge limits.

Protecting and improving the water quality and aquatic life in the Potomac River and Chesapeake Bay is an ongoing commitment by the Department of Utilities.

 

National Pretreatment Program

The Clean Water Act of 1972 sought to restore and preserve our nation’s waterways by eliminating discharges of pollutants. As a component of the National Pollutant Discharge Elimination System Permitting Program, the Pretreatment Program was formed to address discharges from industries to publicly owned treatment works (POTWs).  Under Pretreatment Program regulations, industries must meet certain limits for pollutants in their wastewater. These regulations ensure that heavy discharges and toxic pollutants from industries are not discharged to the POTWs and, in turn, possibly to the receiving stream.  The Environmental Protection Agency (EPA) provides further information at the Pretreatment Program Web site. For information on general pretreatment regulations, visit 40 CFR Part 403.


Industrial Users

Although all non-domestic users are subject to Pretreatment Program regulations, most businesses will simply need to follow the requirement that they not discharge anything that adversely affects the sewer lines and treatment plant.  However, those that are discharging significant amounts of waste may encounter the technical requirements of the program.  EPA has developed certain criteria to determine Significant Industrial Users (SIUs).  SIUs include those sources that (1) discharge on average 25,000 gallons of waste per day or more, (2) contribute a process waste stream making up 5 percent or more of the average dry weather hydraulic or organic loading capacity of a POTW, (3) have the potential to adversely impact the POTW’s treatment processes, or (4) are subject to Federal Categorical Standards. EPA defines certain processes as “categorical” in the Code of Federal Regulations (40 CFR 405-471). These industries must follow federally mandated discharge limits and are known as Categorical Industrial Users (CIUs).

The Town of Leesburg’s Pretreatment Program regulates all commercial facilities.  No significant SIU users have been identified within the service area.

Technical Documents

New businesses should contact the Town's Environmental Compliance Inspector at 703-737-7592 concerning the Pretreatment Program and sewer use. Some businesses will be required to complete an application for the Pretreatment Program describing their type of industry, any wastewater pretreatment processes, wastewater discharge characteristics, and other specifications about their operations.

Fat-Free Sewers Brochure Image
Contact Utilities Department for a brochure.

 

Contact:

Town of Leesburg
Utilities Department
Pretreatment Program
Attention: Environmental Compliance Inspector
1385 Russell Branch Parkway, SE 
Leesburg, VA 20175-4732 
(703) 737-7592