treatment costs and level of treatment
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
Treatment Costs and Level of Treatment
February 2006February 2006
Total Suspended Solids(TSS)
Total Suspended Solids(TSS)
20
30
40
50
60
70
01-02 03-04 05-06 07-08 09-10 11-12 13-14
20
30
40
50
60
70
01-02 03-04 05-06 07-08 09-10 11-12 13-14
Permit LimitPermit Limit
Fiscal YearFiscal Year
mg/Lmg/L16.7% below16.7% below
5555
4545
3030ActualActual 43.6% below43.6% below
6060
Biochemical Oxygen Demand (BOD)
Biochemical Oxygen Demand (BOD)
0
20
40
60
80
100
120
01-02 03-04 05-06 07-08 09-10 11-12 13-14
0
20
40
60
80
100
120
01-02 03-04 05-06 07-08 09-10 11-12 13-14
Permit LimitPermit Limit
mg/Lmg/L
28% below28% below
7070
3030
ActualActual 57% below57% below
100100
Fiscal YearFiscal Year
Percent SecondaryTreatment
Percent SecondaryTreatment
25%
50%
75%
100%
25%
50%
75%
100%
Fiscal YearFiscal Year
PercentTreatedPercentTreated
01-0201-02 02-0302-03 03-0403-04 04-0504-05 05-0605-06
O&M Joint Operating CostsO&M Joint Operating Costs
$31.88
$41.50
$50.22$52.98
$20
$30
$40
$50
$60
01-02 02-03 03-04 04-05
$31.88
$41.50
$50.22$52.98
$20
$30
$40
$50
$60
01-02 02-03 03-04 04-05
Fiscal YearFiscal Year
MillionsMillions
FY 05-06 O&M BudgetTotal: $57,285,600
FY 05-06 O&M BudgetTotal: $57,285,600
Personnel$23.7M, 41%Personnel$23.7M, 41%
Chemicals$14.3M, 25%Chemicals$14.3M, 25%
Biosolids Removal$10M, 17%
Biosolids Removal$10M, 17%
Other$4.4M, 8%
Other$4.4M, 8%
Natural Gas $2.4M, 4%
Natural Gas $2.4M, 4%
Power $1.3M, 2%Power $1.3M, 2%
Water $1.3M, 2%Water $1.3M, 2%
Unit Cost Increases in FY 05-06
Unit Cost Increases in FY 05-06
66.7%66.7%$1.10 / therm$1.10 / therm$0.66 / therm$0.66 / thermNatural GasNatural Gas
61.9%61.9%$0.17 / kWh$0.17 / kWh$0.11 / kWh$0.11 / kWhElectricityElectricity
11.6%11.6%$0.96 / gal$0.96 / gal$0.86 / gal$0.86 / galFerric ChlorideFerric Chloride
17.2%17.2%$0.52 / gal$0.52 / gal$0.45 / gal$0.45 / galSodium BisulfiteSodium Bisulfite
34.6%34.6%$0.67 / gal$0.67 / gal$0.50 / gal$0.50 / galSodium HypochloriteSodium Hypochlorite
IncreaseIncreaseFY 05-06FY 05-06FY 04-05FY 04-05Chemical / UtilityChemical / Utility
O&M Staffing O&M Staffing
100
150
200
250
300
222.25FTEs
192 FTEs
285 FTEs95-96
00-0105-06
100
150
200
250
300
222.25FTEs
192 FTEs
285 FTEs95-96
00-0105-06
FTEsFTEs
Fiscal YearFiscal Year
O&M Variable CostsO&M Variable Costs
$0
$5
$10
$15
$20
01-02 02-03 03-04 04-05 11-12
Biosolids Removal Chemicals (Coag. & Odor)Natural Gas PowerWater Disinfection Chemicals
$0
$5
$10
$15
$20
01-02 02-03 03-04 04-05 11-12
Biosolids Removal Chemicals (Coag. & Odor)Natural Gas PowerWater Disinfection Chemicals
MillionsMillions
Fiscal YearFiscal Year (projection)(projection)
ComparativeTreatment Costs Per MG
ComparativeTreatment Costs Per MG
San Diego…………….…$ 1,621
City of Los Angeles…….$ 1,261
Modesto…………………$ 1,252
OCSD……………………$ 1,246……. $ 731
LA County San District………………..$ 767
San Diego…………….…$ 1,621
City of Los Angeles…….$ 1,261
Modesto…………………$ 1,252
OCSD……………………$ 1,246……. $ 731
LA County San District………………..$ 767
TotalTotalPartial
(O&M, Compliance, LabPartial
(O&M, Compliance, Lab
rev 2/02/06rev 2/02/06
Questions?Questions?
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Secondary Treatment - MGDSecondary Treatment - MGD
235
241 246235 239 239 244
167161157150
122124119
100
150
200
250
300
1999-00 2000-01 2001-02 2002-03 2003-04 2004-05 2004-06
235
241 246235 239 239 244
167161157150
122124119
100
150
200
250
300
1999-00 2000-01 2001-02 2002-03 2003-04 2004-05 2004-06