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Updated:   2026-02-04

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Measure
Authors Schiavo  
Coauthors: Aguiar-Curry   Ahrens   Bennett   Bonta   Bryan   Garcia   Hart   Lowenthal   Pellerin   Ramos   Rogers   Schultz   Stern  
Subject Solid waste landfills: subsurface temperatures.
Relating To relating to solid waste.
Title An act to add Section 43031 to the Public Resources Code, relating to solid waste.
Last Action Dt 2025-09-03
State Amended Senate
Status In Floor Process
Flags
Vote Req Approp Fiscal Cmte Local Prog Subs Chgs Urgency Tax Levy Active?
Majority No Yes Yes None No No Y
i
Leginfo Link  
Bill Actions
2025-09-08     Ordered to inactive file at the request of Senator Blakespear.
2025-09-04     Read second time. Ordered to third reading.
2025-09-03     Read third time and amended. Ordered to second reading.
2025-08-29     From committee: Do pass. (Ayes 5. Noes 2.) (August 29).
2025-08-29     Read second time. Ordered to third reading.
2025-08-18     In committee: Referred to suspense file.
2025-07-18     From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (July 16).
2025-07-18     Read second time and amended. Re-referred to Com. on APPR.
2025-07-03     From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q.
2025-06-27     In committee: Set, first hearing. Hearing canceled at the request of author.
2025-06-11     Referred to Com. on E.Q.
2025-05-29     Read third time. Passed. Ordered to the Senate. (Ayes 56. Noes 9. Page 1775.)
2025-05-29     In Senate. Read first time. To Com. on RLS. for assignment.
2025-05-27     Read second time. Ordered to third reading.
2025-05-23     From committee: Do pass. (Ayes 11. Noes 3.) (May 23).
2025-05-14     In committee: Set, first hearing. Referred to suspense file.
2025-05-07     Re-referred to Com. on APPR.
2025-05-06     Read second time and amended.
2025-05-05     From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 11. Noes 3.) (April 28).
2025-03-25     Re-referred to Com. on NAT. RES.
2025-03-24     Referred to Com. on NAT. RES.
2025-03-24     From committee chair, with author's amendments: Amend, and re-refer to Com. on NAT. RES. Read second time and amended.
2024-12-03     From printer. May be heard in committee January 2.
2024-12-02     Read first time. To print.
Versions
Amended Senate     2025-09-03
Amended Senate     2025-07-18
Amended Senate     2025-07-03
Amended Assembly     2025-05-06
Amended Assembly     2025-03-24
Introduced     2024-12-02
Analyses TBD
Latest Text Bill Full Text
Latest Text Digest

(1) The California Integrated Waste Management Act of 1989, administered by the Department of Resources Recycling and Recovery (CalRecycle), generally regulates the disposal, management, and recycling of solid waste, as defined. The act authorizes CalRecycle to certify a local enforcement agency and requires CalRecycle and certified local enforcement agencies to perform specified functions with regard to the regulation of solid waste management, including issuing and enforcing solid waste facility permits. The act prohibits a person from operating a solid waste facility without a solid waste facilities permit, as provided.

The California Global Warming Solutions Act of 2006 charges the State Air Resources Board with monitoring and regulating sources of emissions of greenhouse gases that cause global warming in order to reduce emission of greenhouse gases. The act requires the state board to adopt rules and regulations to achieve the maximum technologically feasible and cost-effective greenhouse gas emissions reductions, as provided.

This bill would require the state board to amend its regulations on methane emissions from a municipal solid waste landfill (MSW landfill) to establish requirements for the monitoring of landfill gas temperature. The bill would require the operator of an MSW landfill to monitor landfill gas temperature in accordance with those regulations. If the gas temperature is 131 degrees Fahrenheit or higher for longer than 3 consecutive monthly monitoring periods covering 60 consecutive days, and if other criteria established by CalRecycle are met or exceeded, the bill would require the operator of the MSW landfill to take specified actions, including, but not limited to, filing a corrective action plan for review by the local enforcement agency, as defined, and the department. If the gas temperature is 146 degrees Fahrenheit or higher for longer than 3 consecutive monthly monitoring periods covering 60 consecutive days, and if other criteria established by CalRecycle are met or exceeded, the bill would require additional actions, including, but not limited to, the operator of the MSW landfill submitting corrective action plans to a multiagency coordination group, established by the California Environmental Protection Agency (CalEPA), as specified. If the gas temperature is 170 degrees Fahrenheit or higher for longer than 3 consecutive monthly monitoring periods covering 60 consecutive days, and if other criteria established by CalRecycle are met or exceeded, the bill would require additional actions, as specified. The bill would require CalRecycle to establish the other criteria by emergency regulation.

If an operator of an MSW landfill fails to provide notice of a sustained gas temperature by the specified due date, the bill would authorize CalRecycle or a local enforcement agency to impose a penalty of $10,000 per day. The bill would require CalRecycle or a local enforcement agency to impose a penalty not to exceed $1,000,000 for each week that the gas temperature is 170 degrees Fahrenheit or higher for longer than 3 consecutive monthly monitoring periods covering 60 consecutive days, if specified criteria are met or exceeded. The bill would require all penalties to be deposited into the Landfill Subsurface Fire Mitigation Account, which the bill would create, to be used upon appropriation by the Legislature to mitigate harm to a person or community adversely affected by a solid waste landfill with a gas temperature of 131 degrees Fahrenheit or higher for longer than 3 consecutive monthly monitoring periods covering 60 consecutive days. The bill would require any permit suspended pursuant to these provisions to be reinstated when, among others, gas temperature decreases to below 131 degrees Fahrenheit for 3 consecutive monthly monitoring periods covering 60 consecutive days or longer, as specified.

Existing federal regulations require the owner of an MSW landfill with a gas collection and control system to operate each interior wellhead in the collection system with a landfill gas temperature less than 131 degrees Fahrenheit, unless the federal Environmental Protection Agency approves a higher operating temperature, as provided.

This bill would require an operator of an MSW landfill to provide notice to the local enforcement agency, CalRecycle, and any other state agency designated by CalEPA regarding a request for a higher operating temperature, as specified.

(2) This bill would declare its provisions to be severable.