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SW Sewer System Plan

In 2018, the City of College Place commissioned a conceptual sewer evaluation for approximately 1,500 acres in the Southwest corner of the City. The evaluation identified potential alignments, sizes, and depths for a network of gravity sewer trunks to serve the drainage basin with diversion to a proposed regional lift station. From this evaluation, the City identified the first phase of improvements to include design and construction of a new regional lift station, forcemain, and a gravity sewer interceptor that will allow for abandonment of an existing aged lift station and provide sewer service to areas anticipated for immediate growth. The purpose of this report is to document this sewer collection system master planning effort.

SW General Sewer Plan

SEPA Checklist

Determination of Non Significance