There are approximately 10,000 combined sewer overflow (CSO) locations in the United States. During peak storm events they can release about 1.2 trillion gallons of waste and up to 95% of a municipality's raw sewage into surface waters. Although many cities have initiated programs, the CSO problem remains largely unsolved and continues to be a major area of responsibility for environmental professionals, engineers, and public works officials.
Sponsored by the EPA, written by internationally recognized experts, and subjected to extensive peer review, Management of Combined Sewer Overflows...

According to the National Resources Defense Council, stormwater runoff rivals or exceeds discharges from factories and sewage plants as a source of pollution throughout the United States. The Environmental Protection Agency identifies urban stormwaters as the second largest source of water quality damage in estuaries and a significant contributor to the damage to lakes, rivers, and bays.
The full impacts of marginal pollution, particularly that caused by uncontrolled overflows, must be recognized now and planning needs to be initiated to improve sewerage sytem efficiencies in order to...