Combined Sewer Overflow Requirements
ORSANCO/US EPA held a Combined Sewer Overflow (CSO) Long Term Control Plan (LTCP) workshop on September 13, 2005. The workshop focused on LTCP compliance requirements for small communities.

Below is a compilation of the presentations from the Workshop: PowerPoint Presentations - CSO Presentations in Microsoft PowerPoint (.ppt) format. Click the links below to download.

National CSO Perspectives by Mohammed Billah
Framework for CSO Control Planning by Michael Sullivan
System Characterization and Monitoring Activities by Adrienne Nemura
Evaluation of CSO Control Alternatives in Small Communities by Michael Sullivan
Other Elements for Small Community LTCPs by Adrienne Nemura
Small Community Considerations and Case Studies by Steve John
CSO LTCP Template for Small Communities by Michael Sullivan

EPA Combined Sewer Overflow Information
EPA documents are formatted in Adobe Acrobat Ready (.pdf). You can download the free software to read these documents here. You may also download this information from the US EPA website.

EPA Combined Sewer Overflows - Guidance for Nine Minimum Controls , EPA 832-B-95-003 May 1995
EPA Combined Sewer Overflow Control - Manual, EPA 625/R-93/007 September 1993
EPA CSO Demographics - Cities List
EPA CSO Policy Memos
EPA Federal Register Part VII - Combined Sewer Overflow Control Policy: Notice April 19, 1994
EPA CSO - Guidance for Financial Capability Assessment and Schedule Development, EPA 832-B-97-004 February 1997
EPA CSO - Guidance for Funding Option
EPA CSO - Overview of Annual Funding Options

CSO - Guidance for Long-Term Control Plan, EPA 832-B-95-002 September 1995
Chapter 1
Chapter 2a
Chapter 2b
Chapter 2c
Chapter 3a
Chapter 3b
Chapter 3c
Chapter 4
Glossary and References

CSO - Guidance for Monitoring and Modeling, EPA 832-B-99-002 January 1999
Chapters 1 - 4
Chapters 5 - 6
Chapters 7 - 8
Chapters 9
References and Appendixes

CSO - Guidance for Permit Writers, EPA 832-B-98-008 August 1995
Chapter 1
Chapter 2
Chapter 3a
Chapter 3b
Chapter 4a
Chapter 4b
Chapter 4c
Chapter 5
Appendix A
Appendix B
Appendix C
Appendix D
Glossary and References

CSO - Report to Congress - Impacts and Control of CSOs and SSOs, EPA 833-R-04-001 August 2004
Report
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Appendix H
Appendix I
Appendix J
Appendix K
Appendix L
Appendix M

CSO- Report to Congress - Implementation and Enforcement of the Combined Sewer Control Policy, EPA 833-R-01-003 December 2001
Executive Summery
Chapter 1-4
Chapter 5
Chapter 6 - 7
Appendix B1
Appendix B2
Appendix C
Appendix D

CSO - Guidance for Screening and Ranking, EPA 832-B-95-004 August 1995
Chapter 1
Chapter 2 - 3
Appendix

Guidance: Coordinating CSO Long-Term Planning with Water Quality Standards, EPA 833-R-01-002 July 31, 2001

Wet Weather Water Quality Act of 2002

For more information on the wet weather project, please contact This e-mail address is being protected from spambots. You need JavaScript enabled to view it or This e-mail address is being protected from spambots. You need JavaScript enabled to view it