Facility Name:PALOS VERDES LANDFILL
Facility Identifier:
Facility Reporting Year:2020
Facility Location:
Address: 25680 HAWTHORNE BLVD
City: ROLLING HILLS ESTATES
State: CA
Postal Code: 90274

Facility Site Details:
CO2 equivalent emissions from facility subparts C-II, SS, and TT (metric tons):20,958
CO2 equivalent emissions from supplier subparts LL-QQ (metric tons):
Biogenic CO2 emissions from facility subparts C-II, SS, and TT (metric tons):0
Cogeneration Unit Emissions Indicator:N
GHG Report Start Date:2020-01-01
GHG Report End Date:2020-12-31
Description of Changes to Calculation Methodology:
Plant Code Indicator:N
Primary NAICS Code:562212
Second Primary NAICS Code:

Parent Company Details:
Parent Company Name:COUNTY OF LOS ANGELES
Address:1955 Workman Mill Road, Whittier,  CA 90601
Percent Ownership Interest:100

Subpart HH: Municipal Solid Waste Landfills

Gas Information Details

Gas NameMethane
Gas Quantity838.32 (Metric Tons)
Own Result?

Landfill Details
Is the landfill open?N
Ending Year for Accepting Waste1980
Starting Year for Accepting Waste1952
First year of emissions reporting2010
Leachate recirculation was used during the reporting yearN
Typical frequency of use for leachate recirculation systemNot used for the past 10 years
Scales are present at the landfill in the reporting yearN
Does the landfill have a landfill gas collection system?Y
Passive vents and/or flares are presentN
Landfill Capacity19776626 ( Metric Tons )
Total surface area of the landfill containing waste120844 ( Square Meters )
Covertype Details
Organic cover
Other soil mixture


Aeration Details
Aeration Blower Capacity ( )
Landfill Fraction Affected by Aeration ( )
Aeration Blower Operations Hours ( )
Other MCF Factors
Additional Description


Current Waste Disposal Quantity Determination Details

First Year to Current Year Annual Waste Quantity Method
Reporting Year
Total Annual Waste Disposal Quantity (Metric Tons)
Method Used to Determine Quantity other
Annual Waste Disposal Quantity (Metric Tons)

Waste Type Details

Historical Waste Disposal Quantity Estimation Details

Method used to determine the annual waste quantity for any prior years
Were scales used to determine the annual waste quantityY
Start Year1957
End Year1980

Prior Year Annual Waste Quantity Method
Reporting Year1980
Total Annual Waste Disposal Quantity 1256318 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1256318 (Metric Tons)
Reporting Year1979
Total Annual Waste Disposal Quantity 1340182 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1340182 (Metric Tons)
Reporting Year1978
Total Annual Waste Disposal Quantity 1333409 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1333409 (Metric Tons)
Reporting Year1977
Total Annual Waste Disposal Quantity 1229000 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1229000 (Metric Tons)
Reporting Year1976
Total Annual Waste Disposal Quantity 1125273 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1125273 (Metric Tons)
Reporting Year1975
Total Annual Waste Disposal Quantity 1217500 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1217500 (Metric Tons)
Reporting Year1974
Total Annual Waste Disposal Quantity 1332409 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1332409 (Metric Tons)
Reporting Year1973
Total Annual Waste Disposal Quantity 1330364 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1330364 (Metric Tons)
Reporting Year1972
Total Annual Waste Disposal Quantity 1307409 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1307409 (Metric Tons)
Reporting Year1971
Total Annual Waste Disposal Quantity 1289364 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1289364 (Metric Tons)
Reporting Year1970
Total Annual Waste Disposal Quantity 1378779 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1378779 (Metric Tons)
Reporting Year1969
Total Annual Waste Disposal Quantity 1365500 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1365500 (Metric Tons)
Reporting Year1968
Total Annual Waste Disposal Quantity 1051455 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity1051455 (Metric Tons)
Reporting Year1967
Total Annual Waste Disposal Quantity 714045 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity714045 (Metric Tons)
Reporting Year1966
Total Annual Waste Disposal Quantity 639364 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity639364 (Metric Tons)
Reporting Year1965
Total Annual Waste Disposal Quantity 774636 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity774636 (Metric Tons)
Reporting Year1964
Total Annual Waste Disposal Quantity 789500 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity789500 (Metric Tons)
Reporting Year1963
Total Annual Waste Disposal Quantity 621182 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity621182 (Metric Tons)
Reporting Year1962
Total Annual Waste Disposal Quantity 434273 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity434273 (Metric Tons)
Reporting Year1961
Total Annual Waste Disposal Quantity 288909 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity288909 (Metric Tons)
Reporting Year1960
Total Annual Waste Disposal Quantity 200864 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity200864 (Metric Tons)
Reporting Year1959
Total Annual Waste Disposal Quantity 177091 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity177091 (Metric Tons)
Reporting Year1958
Total Annual Waste Disposal Quantity 146545 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity146545 (Metric Tons)
Reporting Year1957
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine QuantityUsed scales to weigh loads before off-loading and either used scales to weigh individual loads after off-loading or used representative tare vehicle/container weights
Annual Waste Disposal Quantity78182 (Metric Tons)
Reporting Year1956
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine Quantityother
Annual Waste Disposal Quantity78182 (Metric Tons)
Reporting Year1955
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine Quantityother
Annual Waste Disposal Quantity78182 (Metric Tons)
Reporting Year1954
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine Quantityother
Annual Waste Disposal Quantity78182 (Metric Tons)
Reporting Year1953
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine Quantityother
Annual Waste Disposal Quantity78182 (Metric Tons)
Reporting Year1952
Total Annual Waste Disposal Quantity 78182 (Metric Tons)
Method Used to Determine Quantityother
Annual Waste Disposal Quantity78182 (Metric Tons)

Waste Type Details
Year Waste Disposed1980
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1979
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1978
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1977
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1976
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1975
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1974
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1973
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1972
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1971
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1970
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1969
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1968
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1967
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1966
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1965
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1964
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1963
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1962
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1961
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1960
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1959
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1958
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1957
Missing data procedure used?N
Number of Times Substituted
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1956
Missing data procedure used?Y
Number of Times Substituted365
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1955
Missing data procedure used?Y
Number of Times Substituted365
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1954
Missing data procedure used?Y
Number of Times Substituted365
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1953
Missing data procedure used?Y
Number of Times Substituted365
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02
Year Waste Disposed1952
Missing data procedure used?Y
Number of Times Substituted365
Waste Type Details
OptionWaste TypePercent by WeightDegradable Organic Carbon ValueFraction Of DOC DissimilatedDecay Rate
Bulk WasteBulk waste10.20.50.02

Working Capacity Details
Were working capacities used to determine waste disposal quantitiesN

Tipping Receipt Details
Were tipping receipts or company records used to determine waste disposal quantitiesN

Method used for estimating all annual waste quantities that are not determined with the methods above
MethodMethod #1: Assume all prior year’s waste disposal quantities are the same as the waste quantity in the first year for which waste quantities are available.

Method Start Year1952
Method End Year1956

Historical Estimation Population Details
Historical landfill Capacity
ReasonPurchased facilitiy in 1957. No disposal records prior to that year. Facility was operated by another party 1952-1956.

Methane Generation and Emissions for Landfills with LFG Collection Systems

Gas Collection System Information
System ManufacturerLos Angeles County Sanitation Districts
System Capacity13100 ( acfm )
Number of Wells441

Methane Oxidation Fractions
Methane Oxidation Fraction HH-5 0.10
Methane Oxidation Fraction HH-6 0.10
Methane Oxidation Fraction HH-7 0.10
Methane Oxidation Fraction HH-8 0.25

Measurement Locations
NamePPERG
Description
Annual Operating Hours8784 (Hours)
Quantity of Recovered Methane4999.65 (Metric Tons)
Destruction Devices
NameAnnual Operating HoursDestruction Efficiency
Flare 49 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 116 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 629 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 545 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 260 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 321 (Hours) 0.99 (fraction (number between 0 and 1))
Flare 78629 (Hours) 0.99 (fraction (number between 0 and 1))

Methane Generation and Emissions values
Estimated Gas Collection Efficiency HH30.83 ( decimal fraction )
Is Override Indicator?N
Methane Generation Equation HH59796.87 ( Metric Tons )
Is Override Indicator?N
Methane Emissions Equation HH65347.18 ( Metric Tons )
Is Override Indicator?N
Methane Generation Equation HH75445.68 ( Metric Tons )
Is Override Indicator?N
Basis for Input Methane Generation ValueEquation HH-1
Methane Emission from Equation HH8838.32 ( Metric Tons )
Is Override Indicator?N

Gas Collection Systems details
Annual Volume FGCollected Gas Volumetric FlowMeasured Value2489871599 ( scf )
Is Substituted Indicator?N
Number of Times Substituted
Annual Average Methane ConcentrationMeasured Value8.89 ( Number (between 0 and 100) )
Is Substituted Indicator?N
Number of Days Substituted
Number of Weeks Substituted
Number of Months Substituted
Number of Times Substituted
Temperature Incorporated IndicatorN
January529.57 ( Rankine )
February527.37 ( Rankine )
March527.00 ( Rankine )
April524.00 ( Rankine )
May526.55 ( Rankine )
June529.77 ( Rankine )
July528.27 ( Rankine )
August531.71 ( Rankine )
September531.05 ( Rankine )
October527.10 ( Rankine )
November530.67 ( Rankine )
December528.59 ( Rankine )
Pressure Incorporated IndicatorN
January1.0171 ( atmosphere )
February1.0182 ( atmosphere )
March1.0166 ( atmosphere )
April1.0246 ( atmosphere )
May1.0192 ( atmosphere )
June1.0195 ( atmosphere )
July1.0196 ( atmosphere )
August1.0209 ( atmosphere )
September1.0203 ( atmosphere )
October1.0201 ( atmosphere )
November1.0209 ( atmosphere )
December1.0195 ( atmosphere )
LFG Flow Wet Basis IndicatorY
Methane Concentration Wet Basis IndicatorY
Site Destruction LocationOn-site
Annual Quantity Of Recovered MethaneHH44999.65 ( Metric Tons )

Waste Depth Details
Area TypeWaste DepthSurface Area
A10 ( Meters ) 0 ( Square Meters )
A213.87 ( Meters ) 15737 ( Square Meters )
A30 ( Meters ) 0 ( Square Meters )
A40 ( Meters ) 0 ( Square Meters )
A528.55 ( Meters ) 105107 ( Square Meters )

Equation HH-1 Details:
The fraction of CH4 in landfill gas (F), is it based on a measured value or default valuedefault
Fraction by volume of CH4 in landfill gas 0.5
An MCF value other than the default of 1 was usedN
Annual MCF Value1.0

Annual Modeled Methane Generation10885.41 ( Metric Tons )
Annual Modeled Methane Generation User Overrided value?N