Margaret Rosegay

Pillsbury Winthrop Shaw Pittman LLP

Margaret Rosegay is a leading environmental lawyer with nearly four decades of experience addressing solid and hazardous waste regulations and water quality issues.

Meg advises on state and federal environmental regulations and compliance; provides guidance on upstream oil and gas exploration, refining and production issues; handles RCRA corrective actions, NPDES permitting and Clean Water Act matters; and conducts environmental impact analysis.

Advising on environmental aspects of transactions, Meg oversees due diligence and drafts and negotiates environmental disclosures, representations and warranties. She also provides project planning counsel. A registered California lobbyist, Meg helps shape environmental laws and policies.


  • Negotiated a favorable settlement for an environmental services company in a federal EPA administrative enforcement action regarding implementation of an RCRA land disposal restrictions program.
  • Defended an oil and gas industry trade association in litigation brought by NGOs challenging ongoing production operations, including underground injection, hydraulic fracturing and well permitting.
  • Represented an electrical generating entity in a multi-year process to decommission and remove a natural gas-fired power plant; work encompassed interpretation of contracts and all other environmental aspects of project.
  • Resolution of significant contractual dispute relating to allocation of environmental liabilities associated with the sale of a petroleum refinery
  • Representation of major real estate developer in connection with former industrial complex undergoing “brownfields” redevelopment
  • Successful mediation and consummation of a cash-out settlement agreement in connection with one of the operable units within the San Gabriel Valley Superfund Site

Associations :

  • American Bar Association (Natural Resources section)
  • Air and Waste Management Association
  • San Francisco Bar Association


  • J.D., University of Colorado, School of Law, 1980
  • A.B., University of California, Berkeley, 1972

ADMISSIONS : California

CLERKSHIPS : Clerk, Colorado Court of Appeals


Rate : $$$

What types of cases Attorney Margaret Rosegay & Pillsbury Winthrop Shaw Pittman LLP can handle?
Pillsbury Winthrop Shaw Pittman LLP can handle cases related to laws concerning Real Estate, Litigation, Construction, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Pillsbury Winthrop Shaw Pittman LLP located?
Pillsbury Winthrop Shaw Pittman LLP is located at 4 Embarcadero Center, San Francisco, CA 94111, USA. You can reach out to Pillsbury Winthrop Shaw Pittman LLP using their phone line 415.983.1305. You can also check their website or email them at [email protected].
How much would it cost to hire Pillsbury Winthrop Shaw Pittman LLP?
Margaret Rosegay lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Pillsbury Winthrop Shaw Pittman LLP
Embarcadero Center 4
San Francisco 94111 CA US
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