California landfills 3.8 million tons of food waste annually. This waste generates methane pollution equivalent to 1.2 million tons of carbon dioxide. Despite new regulations, the state's current landfill diversion rate for food waste remains just 28 percent.
Key Takeaways
- In 2021, California landfilled 3.8 million tons of food waste
- 65% of California's organic waste sent to landfills is food waste
- Los Angeles landfilled 850,000 tons of food waste in 2022
- CA food waste in landfills costs $1.1 billion annually
- California's food waste economic loss: $10 billion yearly from retail to consumer
- Residential food waste costs CA households $1,500 per family/year
- California's food waste contributes 8.5 million metric tons CO2e annually
- Food waste accounts for 14% of CA's methane emissions from landfills
- CA food waste water waste equivalent: 1.5 trillion gallons/year
- In 2022, California generated approximately 5.6 million tons of food waste
- California's food waste constitutes 18% of the state's total municipal solid waste stream in 2021
- Los Angeles County alone produced 1.2 million tons of food waste in 2020
- CA recovered 1.2 million tons of food waste for compost in 2022
- 350 organizations in CA donate 100 million lbs food yearly
- CA's anaerobic digesters process 500,000 tons food waste annually
In 2021, California landfilled 3.8 million tons of food waste, costing billions and fueling methane pollution.
Related reading
01 · Category
Disposal and Landfilling23 stats
01
In 2021, California landfilled 3.8 million tons of food waste
02
65% of California's organic waste sent to landfills is food waste
03
Los Angeles landfilled 850,000 tons of food waste in 2022
04
Pre-SB 1383, CA diverted only 6% of edible food from landfills
05
2022 landfill diversion rate for CA food waste: 28%
06
San Bernardino County landfilled 300,000 tons food waste in 2021
07
CA's methane from food waste landfills: 1.2 million tons CO2e
08
45% of CA commercial food waste goes to landfill
09
Residential landfill food waste in CA: 1.9 million tons yearly
10
Orange County landfilled 250,000 tons food waste in 2020
11
CA landfills received 2.5 million tons edible food in 2019
12
Riverside County food waste to landfill: 220,000 tons annually
13
70% of CA's uneaten food ends in landfills or incinerators
14
Kern County landfilled 150,000 tons food waste in 2022
15
CA's food waste landfill tonnage decreased 5% post-2016 due to bans
16
Ventura County landfill food waste: 100,000 tons/year
17
55% of CA dairy waste landfilled
18
San Joaquin Valley landfills 400,000 tons food waste yearly
19
CA incinerated 200,000 tons food waste in 2021
20
Alameda County landfill diversion failure: 180,000 tons food
21
CA's largest landfill (Otay) receives 50,000 tons food waste/year
22
38% of CA produce waste landfilled pre-harvest
23
Santa Clara County landfilled 120,000 tons in 2022
Interpretation
Disposal and Landfilling Interpretation
California's landfills are serving a banquet for 40 million, with our uneaten food as the main course, proving we have a serious commitment problem when it comes to our plates and our planet.
02 · Category
Economic Costs26 stats
01
CA food waste in landfills costs $1.1 billion annually
02
California's food waste economic loss: $10 billion yearly from retail to consumer
03
Residential food waste costs CA households $1,500per family/year
04
CA commercial food waste disposal fees: $450 million in 2022
05
Lost agricultural revenue from CA food waste: $2.5 billion annually
06
CA grocery sector loses $2.8 billion to food waste yearly
07
Restaurant food waste costs CA $1.2 billion per year
08
CA's edible food waste value at retail: $6.5 billion in 2021
09
Per capita economic cost of food waste in CA: $2,800/year
10
CA manufacturing food waste losses: $900 million annually
11
SB 1383 compliance costs for CA businesses: $500 million/year
12
CA landfill tipping fees for food waste average $60/ton
13
Value of donated CA food waste if recovered: $3.2 billion
14
CA's food waste recovery programs save $250 million yearly
15
Economic impact of CA dairy waste: $400 million lost
16
CA produce waste economic hit: $1.8 billion/year
17
Food banks could save CA $1 billion in purchases with donations
18
CA's bakery waste losses: $300 million annually
19
Seafood waste costs CA fisheries $150 million/year
20
CA's processed food waste value: $700 million discarded
21
Total CA food supply chain waste cost: $18 billion
22
CA compost market from food waste: $100 million revenue
23
CA food waste methane capture lost value: $200 million
24
Annual cost to CA taxpayers for food waste hauling: $800 million
25
CA retail meat waste losses: $500 million/year
26
Food waste recovery grants in CA total $50 million since 2016
Interpretation
Economic Costs Interpretation
Throwing away California's food is like flushing nearly $18 billion dollars down the drain while simultaneously paying another billion just to watch it circle the bowl.
03 · Category
Environmental Effects23 stats
01
California's food waste contributes 8.5 million metric tons CO2e annually
02
Food waste accounts for 14% of CA's methane emissions from landfills
03
CA food waste water waste equivalent: 1.5 trillion gallons/year
04
2.3 million acres of CA farmland used for wasted food
05
Food waste energy loss in CA: 1.2 billion kWh equivalent yearly
06
CA's food waste nitrogen pollution: 150,000 tons/year
07
Landfilled food waste in CA pollutes groundwater with leachate
08
CA food waste GHG footprint equals 2 million cars' emissions
09
25% of CA's blue water footprint from wasted food
10
Food waste drives 10% of CA agricultural emissions
11
CA compost from food waste sequesters 500,000 tons CO2/year
12
Food waste landfill odor complaints in CA: 5,000/year
13
CA's wasted produce contributes to soil erosion on 300,000 acres
14
Anaerobic digestion of CA food waste avoids 300,000 tons CO2e
15
Food waste plastics contamination in CA landfills: 100,000 tons
16
CA food waste linked to 20% of organic landfill fires
17
Biodiversity loss from CA wasted crops: impacts 50 species
18
CA's food waste ammonia emissions: 80,000 tons/year
19
Diverted food waste reduces CA landfill volume by 15%
20
Food waste in CA oceans via sewage: 10,000 tons/year
21
CA's green waste mixed with food increases landfill leachate by 30%
22
Food waste recovery cuts CA fossil fuel use by 500 million gallons equiv
23
CA SB 1383 targets 75% food waste reduction by 2025 for GHG cuts
Interpretation
Environmental Effects Interpretation
While we scrape plates and overfill trash bins, we're unwittingly running a vast, polluting engine that wastes land, water, and energy, poisons our air and water, accelerates climate change as much as two million cars, and squanders the very resources needed to grow our food in the first place.
More related reading
04 · Category
Production and Generation30 stats
01
In 2022, California generated approximately 5.6 million tons of food waste
02
California's food waste constitutes 18% of the state's total municipal solid waste stream in 2021
03
Los Angeles County alone produced 1.2 million tons of food waste in 2020
04
40% of California's food waste comes from residential sources as of 2019
05
Commercial sector in California generates 45% of total food waste, totaling 2.5 million tons annually in 2021
06
California's agricultural sector discards 1.8 million tons of edible food waste yearly
07
San Francisco Bay Area generates 800,000 tons of food waste per year
08
25% of California's fresh produce is wasted at farm level, equating to 1.1 million tons in 2022
09
Retail food waste in California reached 450,000 tons in 2020
10
California's food service industry wastes 1.3 million tons annually
11
Households in California throw away 1.4 million tons of edible food yearly
12
2021 data shows 28% of California's dairy products are wasted
13
California's fruit and vegetable waste totals 2.2 million tons per year
14
Per capita food waste in California is 0.95 tons annually
15
San Diego County generated 450,000 tons of food waste in 2022
16
35% of California's bakery products are discarded before consumption
17
California's meat and poultry waste is 650,000 tons yearly
18
2020 survey: 22% of California's seafood is wasted
19
Processed food waste in CA manufacturing: 300,000 tons in 2021
20
California's grocery stores waste 15% of inventory
21
1.9 million tons of California's food waste is edible fruits/veggies
22
CA's food processing plants generate 550,000 tons waste yearly
23
Residential food waste per household in CA: 400 lbs/year
24
18% increase in CA food waste generation from 2015-2022
25
Sacramento region: 250,000 tons food waste annually
26
CA's beverage waste (expired): 120,000 tons/year
27
32% of CA restaurant food is wasted
28
Fresno County food waste: 180,000 tons in 2021
29
CA's pre-consumer food waste: 3.2 million tons
30
Post-consumer waste in CA eateries: 1.1 million tons
Interpretation
Production and Generation Interpretation
California is a state of staggering bounty where, from farm to fork, we collectively stage an Olympic-level event in wasting perfectly good food, tossing out nearly six million tons of it each year as if our landfills were the ultimate gourmet destination.
05 · Category
Recovery and Prevention Efforts24 stats
01
CA recovered 1.2 million tons of food waste for compost in 2022
02
350 organizations in CA donate 100 million lbs food yearly
03
CA's anaerobic digesters process 500,000 tons food waste annually
04
2022: CA composted 2.1 million tons organics including food waste
05
LA Compost Collective diverts 1 million lbs food waste/month
06
CA grants awarded $30 million for food recovery since 2014
07
45% of CA schools participate in food waste prevention programs
08
San Francisco diverts 80% of food waste from landfills
09
CA's Imperfect Foods rescued 20 million lbs produce in 2022
10
1,200 CA farms use food waste compost
11
CA food donation tax credit claimed $10 million in 2021
12
25% reduction in CA residential food waste via apps like Too Good To Go
13
CA's HERO composting serves 50,000 households
14
600 CA businesses use LeanPath to cut food waste 50%
15
CA recovered 300,000 tons via animal feed in 2022
16
UC system prevents 1 million lbs food waste/year
17
CA's Food Recovery Network diverts 5 million lbs annually
18
70% of CA grocers donate surplus food
19
CA's Replate app rescues 2 million meals/year
20
Statewide education reaches 10 million CA residents on waste
21
CA biogas from food waste powers 50,000 homes
22
2025 goal: Recover 50% of currently disposed edible food
23
CA hotel sector diverts 40% food waste via programs
24
Community Supported Agriculture in CA reduces waste 30%
Interpretation
Recovery and Prevention Efforts Interpretation
While California's food waste statistics might seem like a patchwork of modest efforts, together they form a formidable tapestry of recovery, proving that the state's fight against scraps is less about a silver bullet and more about a well-armed battalion of compost bins, digesters, and clever apps.
Reference
Cite This Report
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APA
Isabelle Moreau. (2026, February 13). California Food Waste Statistics. Gitnux. https://gitnux.org/california-food-waste-statistics
MLA
Isabelle Moreau. "California Food Waste Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/california-food-waste-statistics.
Chicago
Isabelle Moreau. 2026. "California Food Waste Statistics." Gitnux. https://gitnux.org/california-food-waste-statistics.
Sources & references
64 datasets cited across this report · attribution is report-level
+1 additional datasets cited (not shown individually)