Major Sanitary Sewer Overflows (SSOs)

Description

A major sanitary sewer overflow (SSO) occurs when sewage overflows the sewers (SRCSD's major conveyance system) in an amount greater than 1,000 gallons and/or reaches creeks, rivers or other surface waters.

Target

A numeric target has not been set at this time. SRCSD is collecting data and will establish a target in the future.

Purpose

This Service Level reflects proper capacity, operation and maintenance of major wastewater conveyance (pipeline) facilities.

Critical Impacts

Critical work activities that influence SSO performance include planning for adequate system capacity; designing reliable facilities; maintaining facilities to ensure that they are in good operating condition; training staff to assure appropriate operational practices are followed; implementing methods to detect SSOs quickly; and implementing response procedures. Even if facilities are managed properly, SSOs can still occur because of extreme or unusual operating conditions that were not anticipated.

2010 Performance

There was one major sanitary sewer overflow in 2010.

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