Reso 2005-020 - Laserfiche WebLink

Home

T.0 PROJECT DESCRIP'T'ION 1.3 PROJECT OBJECTIVES AND BENEFITS The objectives of the project are: ^ Ta facilitate the use of recycled water for irrigation within the City; and To reduce the WPCP's discharge of treated wastewater to San Francisco Bay as means of reducing the discharge of pollutants. The San Leandro Recycled Water Project (Project) would generate many benefits, including saving approximately 262 million gallons of potable water; saving Marina Park and Monarch Bay Golf Complex money that is currently being spent for potable water; reducing the amount of treated wastewater disposed of in the San Francisco Bay; and promoting the SWRCB's policies of beneficial reuse of recycled water to replace potable water where possible. 1.4 EXISTING FACILITIES Figure 1-2 indicates the location of existing and proposed facilities. WATER POLLUTION CONTROL PLANT The WPCP, a Ciry-owned and -operated facility serves approximately two-thirds of San Leandro The WPCP provides secondary treatment of domestic, commercial, and industrial wastewater up to an average dry;weather-flow (ADWF) of 5.5 mgd. The peak wet weather flow (PWWF) is 13.5 mgd. Treatment consists of grinding, primary sedimentation, fixed growth, activated sludge, secondary clarification, and chlorination. Sludge is thickened, anaerobically digested, dewatered, dried in open drying beds, and disposed of at an authorized disposal site. Neighboring land uses include the Davis Street Transfer Station, firearms target range, light industrial and commercial uses, a Metropolitan Golf Links, and San Francisco Bay. In 2003 the City commissioned a facilities planning study for the WPCP. The purpose of the study was to evaluate the different processes in the plant to identify existing capacity and reliability issues. Based on the results of the study, the City developed a prioritized list of projects to improve treatment reliability. The projects included building a new fixed film reactor, replacing the current fixed film reactor, peak wet weather flow improvements, degritting primary sludge, electrical service improvements and adding a sieve drum thickener. Construction of these improvements will begin in 2006. These improvements are not part of the San Leandro Recycled Water Project but would be implemented concurrently. The WPCP is consistently meeting its effluent requirements with few exceptions. The proposed improvements are intended to further enhance the reliability of the WPCP, especially under wet weather conditions. San Leandro Rccycled Watcr Project 1-$ ESA /203193 Draft IS/MI`1D