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Sanitary Sewer Overflows
What are SSOs and how can we reduce them: EPA 832-K-96-001 - Summer 1996
EPA's Office of Enforcement and Compliance Assurance - Compliance and Enforcement Strategy Addressing Combined Sewer Overflows and Sanitary Sewer Overflows (pdf).
EPA's Office of Water's SSO Web page.
The following are some EPA Region 6 Pictures provided by Mr. James L. Graham, Jr., P.E., former Chief, TX/NM NPDES Enforcement. These pictures are of sanitary sewer overflows as they occurr.
- Inflow resulting in SSOs can place extreme pressure on the system
- SSOs adjacent to water bodies can flow directly into streams, lakes, rivers and other water bodies
- Sewage gushes from a manhole
- Overflowing manholes in remote areas can go undetected for years
- SSOs can cause extreme traffic hazards
- SSOs in streets expose adults and children to pathogens
- SSOs in public areas exposes the public to raw sewage
- An SSO under extreme pressure head
- Some SSOs occur at deteriorated manholes
- Raising a manhole will not necessarily eliminate the SSO
EPA's Office of Water has additional information on SSOs that can be found at http://cfpub.epa.gov/npdes/home.cfm?program_id=4.
