SRCSD Service Levels

SRCSD Service Levels

Major Sanitary Sewer Overflows (SSOs):

A major sanitary sewer overflow is when sewage gets out of the sewers (SRCSD's major conveyance system) in an amount greater than 1,000 gallons, and /or it reaches creeks, rivers or other surface waters.
[more detailed descriptionA sanitary sewer overflow is a release of wastewater (sewage) from the conveyance system at an unpermitted location. A major sanitary sewer overflow (SSO) is equivalent to Catagory 1 SSOs as defined in the State Waste Discharge Requirements. Catagory 1 SSOs are those which equal or exceed 1,000 gallons, or result in a discharge to a drainage channel and/or surface water, or discharge to a storm sewer that was not fully captured and returned to the sanitary sewer system. The data is expressed as the number of spills per 12 months.]

Target

A numeric target has not been set at this time. SRCSD will continue to collect data in coming years and establish a target in the future.

Assessment: SRCSD has not experienced any major SSOs in the last two years.

Event Details:

(52K)

Purpose

This service level reflects proper capacity, operation and maintenance of major conveyance (interceptor) facilities.

Critical Activities

Critical work activities that influence SSOs include planning for adequate system capacity, design of reliable facilities, maintenance of facilities to assure that they are in good operating condition, training of staff to assure good operational practices are followed, implementation of methods to detect SSOs quickly, and implementation of response procedures. Regardless of whether facilities are managed properly, SSOs can still occur due to extreme or unusual operating conditions that were not planned during the design of the facilities.

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