Erin Stone covers climate and environmental issues in Southern California.
Published Jun 17, 2026 3:32 PM
A street sign in the City of Compton.
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Kevork Djansezian
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Getty Images
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Air quality regulators say an oil recycling facility in Compton violated pollution rules and improperly maintained some of its equipment.
The South Coast Air Quality Management District issued four notices of violation to World Oil Recycling in Compton, and one notice of violation to a contractor operating leaky equipment on its property.
The Compton facility “receives used oils, glycol and wastewater and re-refines these materials into engine oil and glycol products for reuse,” according to the air district. The largest oil recycler in the state, it’s located in some of the most pollution-burdened and low-income neighborhoods in California, as well, where asthma rates are higher than 95% of census tracts, according to state data.
The violations came after the air district started receiving odor complaints from residents at the start of this year. The agency received more than 70 complaints of strong odors of gas, including from the nearby Jefferson Elementary School, the agency said in a news release.
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Officials then carried out more than a dozen on-site inspections, including using an infrared camera to identify gas leaks. They found hydrocarbons leaking from a wastewater storage tank, as well as a centrifuge pump. A small fire at the facility in late May also led to nuisance notices from the agency.
The company told LAist it is working to remove the leaky storage tank that may have caused the odors.
“World Oil Recycling provides an essential environmental service by recycling used oil and other materials, helping to keep them out of landfills and waterways,” a spokesperson for the company said in a statement. “We are committed to meeting or exceeding the highest standards at our facility in Compton, where we have operated safely for more than 40 years and serve as a major local employer.”
If World Oil Recycling doesn’t comply, it could face fines or litigation.
The company has faced such issues in the past. In 2019, the Environmental Protection Agency reached a settlement with World Oil’s Compton and Vernon facilities for violating hazardous waste regulations. The agreement required the companies to pay a $39,092 penalty and spend $167,967 on air filtration systems in nearby schools to reduce indoor air pollution.
The facility has received dozens of violation notices from the air district over the years, as well, mostly for minor maintenance issues.
In a statement to LAist, Compton Mayor Emma Sharif said the city “is working with the appropriate regulatory agencies as they continue their investigation.”
How to report smoke, dust, smells or other air pollution near you
The South Coast Air Quality Management District is tasked with regulating air pollution in the region. The public can report odors, dust, smoke or other air quality concerns by:
- Calling (800) CUT-SMOG (288-7664)
- Filing a report via the online complaint portal
- Using the South Coast AQMD mobile app
Is there a potentially hazardous facility near you? How to find out
- At a local level, the South Coast Air Quality Management District regulates air pollution across the region, but it has just one inspector for every 200 industrial sites, according to the Voice of O.C. You can search for violations by facility through the agency’s public search tool here. You can report any concerns about strong odors, excessive dust, smoke or other air pollutants here. Find LAist’s in-depth guide on reporting air pollution concerns here.
- You can search for violations by various types of regulated facilities across the state using this map from the California Environmental Protection Agency, or CalEPA. GKN Aerospace, for example, has dozens of violations logged there. You can also file a complaint with CalEPA here or to the federal EPA directly here.
- The California Department of Toxic Substances Control regulates hazardous waste sites. You can use their tool, EnviroStor, to search for public information about hazardous sites near you.
- The California Geologic Energy Management Division oversees oil and gas facilities across the state. You can search for wells near you via their searchable map here. L.A. County also has its own searchable map for oil and gas wells here.
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