FROM: James D. Herberg, General Manager
Originator: Lorenzo Tyner, Assistant General Manager
SUBJECT:
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REQUEST FOR FUNDING - WASTEWATER FLOW & LOADING STUDY
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
Approve the Orange County Sanitation District's on-going participation in the California Association of Sanitation Agencies wastewater flow and loading study and the Participating Agency Contribution Pledge of $410,676.
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BACKGROUND
The Orange County Sanitation District's (Sanitation District) goal has always been to fairly and equitably allocate the cost of wastewater management to all its customers in a cost-effective manner. Agencies throughout the state, including the Sanitation District, use engineering estimates of average loadings (wastewater flowrates and strength data according to use category) to proportionately allocate wastewater management costs and minimize administrative expenses. Water suppliers have established more aggressive water conservation measures in response to drought conditions and, therefore, it is prudent to review the wastewater loadings at this time and update them, if necessary, to ensure that they accurately reflect current wastewater characteristics. The California Association of Sanitation Agencies (CASA) has coordinated a statewide wastewater flow and loading study that is funded by participating sanitation agencies across the state. The cost of the study is shared amongst participating agencies in proportion to discharge volume. The Sanitation District contributed $510,399 toward the cost of the initial RFP, Phase 1, and Phase 2A of the study. In return, the Sanitation District is participating in structuring the study and will have access to the results of the study.
CASA is now preparing for Phase 2B of the study. The estimated total cost of Phase 2B is $2,840,000, with the Sanitation District's contribution being $410,676. Phase 2B consists of the expanded non-residentia...
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