The National Pretreatment Program is a cooperative effort of federal, state, and local regulatory environmental agencies established to protect water quality by reducing the level of pollutants discharged by industry and other non-domestic wastewater sources into municipal sewer systems. This reduction also protects the environment. Specifically, the program aims to protect water treatment facilities from pollutants that may interfere with their operation. The EPA monitors and limits the discharge of wastewater by non-domestic sources. This control may require facilities to treat waste before releasing it into the water system. Ultimately, pretreatment helps to achieve the EPA's goal of protecting the integrity of the nation's water supply.

Recommended EPA Web pages

• National Pollutant Discharge Elimination System (NPDES): Pretreatment Program
  The National Pretreatment Program is a cooperative effort of environmental agencies which protects water quality.
• Introduction to the National Pretreatment Program
  Provides guidance to regulators to implement the National Pretreatment Program.
• Pretreatment: Frequently Asked Questions
  A list of frequently asked questions about pretreatment.

Pollution Control
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Technology
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Waste Treatment
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Water Pollution Control
Pretreatment, Remediation, Trading, Wastewater Treatment