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National Pollutant Discharge Elimination System (NPDES)
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Combined Sewer Overflows
Archived Publications

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Information provided for reference purposes only

Note: This information is provided for reference purposes only. Although the information provided here was accurate and current when first created, it is now outdated.

  • Draft Policy on Blending at Sewage Treatment Facilities for Public Comment

  • Draft policy to establish consistent national guidelines on the practice of blending that is used by municipal sewage treatment facilities to manage high flows associated with storm events. Already widely used, blending is a technique to manage high flows that could damage sensitive parts of the sewage treatment system or could lead to overflows of raw sewage into local waterways. The draft policy outlines safeguards and requirements to be followed during blending and restates the requirement that all discharges must continue to meet Clean Water Act permit limits. The public comment period ends on January 9, 2004.
    Document Type: Policy and Guidance Documents
    Date Published: 11/03/2003
  • Protecting the Nation's Waters Through Effective NPDES Permits: A Strategic Plan FY 2001 and Beyond (PDF) (19 pp, 805K)

  • The Water Permits Division's Strategic Plan discusses the background of the Water Permits Division, their organization and resources, current implementation activities, and the Division's vision, mission, challenges, strategic issues, goals, and key actions from FY 2001 and beyond. EPA-833-R-01-001.
    Document Type: Policy and Guidance Documents
    Date Published: 06/01/2001

  • Summary of Participants' Comments at the EPA-WEF Experts Workshop on Implementing the WQ-Based Provisions in the CSO Control Policy (HTML) (19KB)

  • The Conference Committee on the U.S. EPA's FY 1999 Appropriations urged the Agency to develop guidance and provide financial and technical assistance to States and Regional Offices to facilitate water quality and designated use reviews for CSO-receiving waters. EPA held three listening sessions and numerous conference calls to obtain the perspectives from a broad range of Federal, State, and local constituencies on impediments to implementing the water quality-based provisions of the CSO Control Policy and the actions EPA should take to overcome the impediments (EPA-823-R-99-015).
    Document Type: Factsheets and Outreach Materials
    Date Published: 12/01/1999

  • Charter for the Wet Weather Flows Federal Advisory Committee (TXT) (7KB)

  • This charter established an Advisory Committee to address issues associated with water quality impacts from urban wet weather flows and other stormwater discharges under Section 402(p)(6) of the Clean Water Act, in accordance with the Federal Advisory Committee Act. Filed with Congress on May 17, 1995.
    Document Type: Policy and Guidance Documents
    Date Published: 05/17/1995
  • Combined Sewer Overflows - Questions and Answers on Water Quality Standards and the CSO Program (Draft) (PDF) (2,195KB)

  • Draft guidance in question-and-answer format describing how WQS will be translated into CSO requirements in NPDES permits under the 1994 CSO Control. Draft document; has not been finalized.
    Document Type: Policy and Guidance Documents
    Date Published: 03/01/1995

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