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2017 California Bioresources Alliance Symposium

Documents and presentations from the 2017 California Bioresources Alliance Symposium "Renewable Carbon Management in California", held November 1 - 2, 2016.

2018 California Bioresources Alliance Symposium

Documents related to the 2018 California Bioresources Alliance Symposium "Organics: State Regulations and Municipal Opportunities".

2020 California Bioresources Alliance Symposium

Documents related to the 2020 California Bioresources Alliance Symposium. Work with colleagues in the field of organic residuals to develop community resiliency and put California's bioresources to their best uses.

2022 California Bioresources Alliance Symposium

Documents related to the 2022 California Bioresources Alliance Symposium: Bioresources Technology, Collaboration & Investment: Managing the Transition to Local Circular Economies in California.

2023 California Bioresources Alliance Symposium

Documents related to the 20232 California Bioresources Alliance Symposium: Developing the Circular Bioresources Economy in California.

California Bioresources Alliance Symposia

Past and upcoming events and information from the California Bioresources Alliance Symposium, focusing on management of organic residuals in California including manure, biosolids, food waste, agricultural wastes, green waste and wood waste.

2024 California Bioresources Alliance Symposium

Documents related to the 2024 California Bioresources Alliance Symposium: Developing the Circular Bioresources Economy in California.

2021 California Bioresources Alliance Symposium

Documents related to the 2021 California Bioresources Alliance Symposium. Work with colleagues in the field of organic residuals to develop community resiliency and put California's bioresources to their best uses.

UIC-09-2024-0074: Proposed Settlement of Safe Drinking Water Act Underground Injection Control Administrative Penalty; Sunrise Power Company LLC, Fellows, CA

Proposed administrative penalty settlement in the Matter of Sunrise Power Company, LLC, 12857 Sunrise Power Road, Fellows, CA 93224. LLC; UIC-09-2024-0074.

CWA-09-2024-0006: Proposed Settlement of Clean Water Act Class I Administrative Penalty; BBK Enterprises Inc., Vallejo, California

Proposed Expedited Settlement Agreement between EPA Region 9 and Transport Products Unlimited, Inc. to resolve the a civil administrative penalty proceeding commenced under Section 309(g) of the CWA.

Chemical Waste Management Inc. Kettleman Hills Facility: TSCA PCB Permit and Supporting Documents

Toxic Substances Control Act (TSCA) final polychlorinated biphenyl (PCB) approval (permit) and supporting documents for Chemical Waste Management Inc. Kettleman Hills Facility (KHF).

CWA-09-2021-0002: Proposed Settlement of Clean Water Act Class I Administrative Penalty; Gills Onions LLC, Oxnard, CA

Proposed Settlement of Clean Water Act Class I Administrative Penalty in the matter of Gills Onions, LLC, 1051 South Pacific Avenue, Oxnard, CA, 93030. Docket No. CWA-09-2021-0002.

City and County of San Francisco NPDES Compliance Information

EPA letters to the San Francisco Public Utilities Commission (SFPUC) of October 2, 2019 and November 21, 2019.

City and County of San Francisco Complaint

Civil complaint filed in federal court on May 1, 2024, against the City and County of San Francisco for claims of Clean Water Act violations spanning the last decade.

Certification of Lead Consumer Notice

This is a form confirming consumers have been notified of the results of monitoring for lead in drinking water.

Combined Sewer Overflows (CSOs)

Overview of combined sewer overflows (CSO), guidance, and policies.

EPA in Nevada: Topics and Resources

EPA in Hawaii: Topics and Resources

EPA in Hawai'i topics and resources.

Can a refiner blend oxygenate into purchased conventional gasoline and use the oxygenate to meet its conventional gasoline requirements as long as the oxygenate is not being counted by the producer of the gasoline? Can this blending occur at a refiner owned terminal?

See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Section 80.101(d)(4) provides that any oxygenate that is added to conventional gasoline, or gasoline blending stock as described in § 80.101(d)(3), may be included in the refiner's compliance calculations, "where such gasoline or gasoline blending stock is produced or…

Last published: May 28, 2025

Desotec US LLC (Formerly Evoqua Water Technologies LLC): Facility Inspection Reports and Enforcement Actions

Enforcement action and facility inspection reports for the Desotec US LLC (Formerly Evoqua Water Technologies LLC) carbon regeneration facility located on the Colorado River Indian Tribes (CRIT) reservation near Parker, Arizona.