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A comprehensive review of treatment costs and level standards in February 2006, focusing on Total Suspended Solids (TSS) and Biochemical Oxygen Demand (BOD) levels, operational and maintenance (O&M) costs breakdown, and unit cost increases. Explore the fiscal year data and comparisons.
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Treatment Costs and Level of Treatment February 2006
Total Suspended Solids(TSS) Permit Limit 60 55 16.7% below mg/L 45 Actual 43.6% below 30 Fiscal Year
Biochemical Oxygen Demand (BOD) Permit Limit 100 28% below 70 mg/L 57% below Actual 30 Fiscal Year
Percent SecondaryTreatment Percent Treated 01-02 02-03 03-04 04-05 05-06 Fiscal Year
O&M Joint Operating Costs Millions Fiscal Year
FY 05-06 O&M BudgetTotal: $57,285,600 Biosolids Removal$10M, 17% Chemicals$14.3M, 25% Other$4.4M, 8% Natural Gas $2.4M, 4% Power $1.3M, 2% Personnel$23.7M, 41% Water $1.3M, 2%
Unit Cost Increases in FY 05-06 Chemical / Utility FY 04-05 FY 05-06 Increase Sodium Hypochlorite $0.50 / gal $0.67 / gal 34.6% Sodium Bisulfite $0.45 / gal $0.52 / gal 17.2% Ferric Chloride $0.86 / gal $0.96 / gal 11.6% Electricity $0.11 / kWh $0.17 / kWh 61.9% Natural Gas $0.66 / therm $1.10 / therm 66.7%
O&M Staffing FTEs Fiscal Year
O&M Variable Costs Millions (projection) Fiscal Year
ComparativeTreatment Costs Per MG San Diego…………….… $ 1,621 City of Los Angeles……. $ 1,261 Modesto………………… $ 1,252 OCSD…………………… $ 1,246……. $ 731 LA County San District……………….. $ 767 Partial(O&M, Compliance, Lab Total rev 2/02/06
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