About Peter
Peter A. "Pete" Nyquist: Leading Environmental Litigation Attorney in Los Angeles
Peter A. "Pete" Nyquist is a highly respected partner at our Los Angeles office, renowned for his extensive experience and unwavering commitment to protecting clients' rights in complex environmental matters. With a proven track record of success in navigating the intricacies of federal and state Superfund regulations, regulatory enforcement, and litigation, Mr. Nyquist is a trusted legal counsel for businesses and individuals facing significant environmental challenges. He consistently delivers strategic and effective solutions, leveraging his deep understanding of environmental law and his sophisticated courtroom skills.
Mr. Nyquist specializes in a broad range of environmental issues, including Superfund and contaminated site litigation, administrative and enforcement matters before federal and state agencies, cost recovery and citizen suit litigation, and providing vital environmental diligence support. He's deeply involved in assisting clients through every stage – from initial investigation and remedial action requirements at contaminated sites to robust enforcement proceedings. His consistent ability to interface seamlessly with agencies like USEPA Region IX and various state Superfund programs underscores his practical expertise.
Recognized as a leading environmental litigator, Mr. Nyquist’s practice extends beyond regulatory compliance. He advises clients on crucial matters of **water quality**, including adherence to the federal Clean Water Act and California’s Porter-Cologne Water Quality Act, with particular emphasis on addressing complex storm water permit requirements. His approach often incorporates sophisticated chemical forensics and fingerprinting techniques – demonstrating a meticulous attention to detail and a commitment to achieving the most favorable outcomes for his clients, whether through apportionment of liability or avoidance of responsibility. He’s a skilled advocate adept at utilizing scientific evidence to build compelling cases.
Mr. Nyquist’s litigation experience is extensive, successfully resolving numerous cost recovery, toxic tort, and citizen suit cases in both federal and state courts. He’s consistently recognized for his strategic thinking and tenacious advocacy, earning accolades from prominent legal directories like Chambers USA and Best Attorney USA, and holding an “AV” rating from Martindale-Hubbell – a testament to his dedication and professionalism.
Key Areas of Expertise:
- Superfund & Contaminated Sites: Expertise in navigating complex Superfund litigation, including investigation, remedial action, and enforcement proceedings related to contaminated sites across USEPA Region IX and state programs, including RCRA and sediment cleanup issues.
- Regulatory Enforcement: Experienced in representing clients before federal and state regulatory agencies, proactively addressing compliance issues and defending against enforcement actions under the Clean Water Act, Porter-Cologne Water Quality Act, and other environmental regulations.
- Cost Recovery & Citizen Suits: Successfully pursuing cost recovery claims and defending against citizen suit litigation related to environmental damage, leveraging legal strategies and scientific evidence to maximize client recoveries.
- Transactional Environmental Due Diligence: Providing crucial environmental support during mergers, acquisitions, and other transactions, ensuring compliance and mitigating potential environmental liabilities.
Credentials & Awards:
- Lawyer of the Year: Environmental Law, Los Angeles (2026, 2024, 2020)
- Recognized: Environmental Law, Litigation - Environmental
- AV Rated – Martindale-Hubbell
- Listed in Chambers USA - California: Best Environment Lawyers (2007-Present)
- Recognized in Super Lawyers Business Edition – Construction, Real Estate & Environmental (2012 - Present)
- Featured in Best Attorney USA since 2012
- Included in Southern California Super Lawyers - Environmental (2005 - Present)
Professional Affiliations: Mr. Nyquist’s commitment to the legal community extends beyond his private practice. He is a respected member of the Los Angeles legal community and actively participates in various professional organizations.
Contact Information: Peter A.
Practice Areas
Case History
Professional Affiliations
Awards & Recognition
- Lawyer of the Year: Environmental Law, Los Angeles (2026)
- Lawyer of the Year: Environmental Law, Los Angeles (2024)
- Lawyer of the Year: Environmental Law, Los Angeles (2020)
- Recognized: Environmental Law
- Recognized: Litigation - Environmental
- Practice Area: Commercial Litigation
- Chambers USA - California: Best Environment Lawyers, 2007-Present
- Southern California Super Lawyers - Environmental, 2005- Present
- Super Lawyers Business Editiion - Construction, Real Estate & Environmental, 2012 -