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| East Central Interceptor Sewer Project - Overview |
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| In 1998, several communities in South Los Angeles suffered severe sewage spills during the unusually heavy rainstorms of El Niño because of the failure of the main sewer, the North Outfall Sewer (NOS). NOS is over 70 years old. It is lined with holes and cracks from normal wear and tear, and it is filled nearly to capacity even in dry weather. The sewage overflows were caused by a combination of the age, size, and condition of NOS along with the heavy rains. |
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| As a result, a lengthy environmental study was conducted in which construction of a new sewer and repair of the existing NOS was recommended and approved. On September 14, 1998, the Regional Water Quality Control Board (RWQCB) issued a Cease & Desist Order (CDO) requiring the City of Los Angeles to complete construction of several new sewers in about 7 years. Major CDO tasks include construction of the North Hollywood Interceptor Sewer, Eagle Rock Relief Sewer, North East Interceptor Sewer, and East Central Interceptor Sewer. |
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| The North Outfall Sewer - East Central Interceptor Sewer (NOS-ECIS) is the new sewer to be built to allow wastewater to be diverted from the middle portion of the existing North Outfall Sewer (NOS) so that NOS can be rehabilitated and to provide additional capacity for projected wastewater flows. ECIS , as it is commonly called, will extend from the north part of Baldwin Hills in Culver City to just east of the Los Angeles river near Mission Road making it approximately 18.5-km long (about 11 miles). The project is located within the densely developed area of central and south central Los Angeles and Culver City. The first phase of ECIS construction is scheduled to begin in April 2001 and will be completed by December 1, 2003. |
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