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Sanitary Sewer Overflows
Recent Additions
October 16, 2007
- NPDES Permit Requirements for Municipal Sanitary Sewer Collection Systems and SSOs - This draft fact sheet [PDF - 41 KB - 3 pp] explains that NPDES permit authorities should be improving implementation of NPDES permit requirements for SSOs and sanitary sewer collection systems by clarifying how conditions in NPDES permits for discharges from POTWs apply to the collection system serving the treatment works. Draft model permit conditions [PDF - 74 KB - 7 pp] for clarifying reporting, recordkeeping, third party notification and CMOM programs for sanitary sewer collection systems are attached. The draft fact sheet also explains permit coverage requirements for municipal satellite collection systems.
April 19, 2007
- Agreement to Promote Green Infrastructure - EPA and four national groups signed a statement of intent to promote the use of green infrastructure to help solve stormwater runoff and sewer overflow problems. The statement of intent pledges cooperation among these groups to promote the use of various green infrastructure techniques such as rain gardens, bioretention cells, infiltration swales, green parking lot design, rain barrels, and many others. Today's agreement supplements an early statement supporting green infrastructure that has been signed by over 30 national groups.
June 14, 2005
- Capacity, Management, Operations & Maintenance (CMOM) Guidance Announcement [PDF - 14 KB - 1 p] - This Guidance is a compliance monitoring tool for use by federal and state inspectors and a compliance assistance tool for use by the regulated community: owners or operators of sewer systems collecting domestic sewage. The Guidance identifies some of the criteria used by EPA inspectors to evaluate a collection system's management, operation, and maintenance program activities. Click here to view the CMOM Guidance [PDF - 2,863 KB - 126 pp]
August 26, 2004
- Report to Congress: Impacts and Control of CSOs and SSOs - Presents a comprehensive characterization of CSOs and SSOs, including the extent of environmental and human health impacts caused by CSOs and SSOs, the technologies used by municipalities to address these impacts, and the resources spent by municipalities to control CSO and SSO discharges. The Report finds that the occurrence of CSOs and SSOs is widespread, and that CSOs and SSOs cause or contribute to environmental and human health impacts. Further, the Report finds that there are many existing structural and non-structural technologies that are well-suited for CSO and SSO control.
November 03, 2003
- Wellington, New Zealand - A detailed case study on Asset Management in Wellington, New Zealand is now available on the SSO Featured Case Studies, Fact Sheets, and Other Information web page.
October 23, 2003
- CMOM Program Self Assessment Checklist [PDF Format] - Helps utilities evaluate Capacity, Management, Operations, and Maintenance (CMOM) programs and identify general areas of strength and weakness. Completing this CMOM assessment will allow the utility to flag CMOM program areas that need improvement and establish priorities for additional, more detailed assessments. In addition, the checklist will allow the utility to compare annual performance (e.g., percent of employees meeting training standards).
April 28, 2003
- 2003 Report to Congress Meeting on the Impacts and Control of Combined Sewer Overflows (CSOs) and Sanitary Sewer Overflows (SSOs) - On June 24 and 25, 2003, the U.S. Environmental Protection Agency (EPA) held a meeting in Washington, D.C., to provide stakeholders with an opportunity to discuss EPA's 2003 Report to Congress on the Impacts and Control of Combined Sewer Overflows (CSOs) and Sanitary Sewer
Overflows (SSOs). This report, due in December 2003, investigated environmental and human health impacts of CSOs and SSOs, resources spent by municipalities to control these impacts, and technologies for
controlling these impacts. Click here to download the meeting announcement in PDF format and here to download the draft agenda.
December 01, 2002
- Summary of Experts' Workshop on Sewer Overflows [PDF Format] - This document
summarizes a workshop on the public health effects of sewer overflows. EPA invited a group of public health experts to come
together to discuss these issues on August 14 and 15, 2003 in Arlington, Virginia. This workshop was held to support the development of a related Report to Congress which is due in December 2003.
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