Skip to main content

Ragna Olausen Henrichs

Environmental and natural resources Attorney at Houston, TX

Not yet reviewed

Call and speak with several attorneys to find best fit for your specific legal issue.
Can't find what you are looking for?
Avvo has 97% of all lawyers in the US.
Find the best ones near you.
Find Nearby Lawyers

About Ragna

Learn Ragna’s areas of practice.

Ragna Henrichs is a partner in the environmental law section at Porter Hedges. Ms. Henrichs has concentrated her practice exclusively in the field of environmental law and has had extensive experience with remediation projects, enforcement and compliance matters, permitting and regulatory counseling. She has represented steel, chemical, oil and gas, oilfield service, real estate development, waste management companies, airlines and public utilities, in permit proceedings, including contested permit hearings, and in the defense of civil and criminal enforcement actions and citizen suits.


Her representation of potentially responsible parties in federal Superfund actions has ranged from steering committee and settlement committee service in large, multi-party cases to numerous de minimis settlements and various cost recovery actions. Her practice has also included clients involved in cleanup of contaminated sites under other programs, including the Texas Voluntary Cleanup Program.


Ms. Henrichs works with corporate and real estate clients and lenders in environmental due diligence arising out of transactions. She provides counseling to resolve issues through mechanisms such as specially tailored auditing programs, remediation and indemnity agreements, environmental insurance, environmental management systems and compliance plans.


Ms. Henrichs is listed as one of America's leading lawyers in environmental law by Chambers USA. She has been listed for more than ten years in The Best Lawyers in America, Environmental Law. She has been named a “Texas Super Lawyer” in Environmental/ Land Use Law in surveys conducted by Texas Monthly since 2003. In May 2009, Ms. Henrichs was listed in Super Lawyers Corporate Counsel Edition for the State of Texas in environmental law.

Prior to joining the firm, Ms. Henrichs practiced in the law department of CIBA-Geigy Limited in Basel, Switzerland (now Novartis), and was a partner at Nixon, Hargrave, Devans & Doyle (now Nixon Peabody), and a shareholder of Johnson & Gibbs, P.C.

Licensed for 53 years
State TX
Status Eligible to Practice in Texas
Acquired 1991
Updated 01/30/2023
State NY
Status Currently Registered
Acquired 1974
Updated 11/17/2022
State SC
Status Good Standing
Acquired 1972
Updated 02/22/2023
State CA
Status Inactive
Acquired 1970
Updated 12/06/2022

We have not found any instances of professional misconduct for this lawyer.

Contact Ragna

Similar lawyers nearby

Porter Hedges LLP
1000 Main Street
36th Floor
Houston, TX, 77002


Not yet reviewed. Review Ragna


We have not found any cost information for this lawyer

Contact for Details


AVVO RATING 9.3 (Superb)


  • University of California at Los Angeles School of Law
  • JD - Juris Doctor
  • 1969
  • University of California - Los Angeles
  • BA - Bachelor of Arts
  • 1966


  • State Bar of Texas
  • Member
  • 1990 - Present
  • Houston Bar Association
  • Member
  • 1990 - Present
  • New York State Bar Association
  • Member
  • 1974 - Present
  • South Carolina Bar
  • Member
  • 1972 - Present
  • State Bar of California
  • Member
  • N/A
View all associations

Honors and Awards

  • Leading Lawyer in Environmental Law
  • Chambers USA
  • 2011
  • Best Lawyer
  • Best Lawyers in America
  • 2011
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2010
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2009
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2008
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2007
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2006
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2005
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2004
  • Texas Super Lawyer
  • Texas Monthly Magazine
  • 2003
  • AV Rated
  • Martindale-Hubbell
  • N/A
View all awards


  • Storage Terminals Magazine
  • Understanding CERCLA
  • 2010
  • Environmental Protection Newsletter
  • The Evolving Concept of the Discharge of Dredged and Fill Material
  • 2010
  • Environmental Protection
  • Is Ignorance Bliss?"
  • 1998
  • Proceedings of the National Academy of Sciences
  • Environmental Issues and the Law
  • 1992
  • Hazardous Waste and Toxic Torts
  • EPA Policy Shift Preventing PRP Participation in Superfund Cleanups; Group Challenges Ban
  • 1991
  • Water Environment & Technology
  • Environmental Russian Roulette
  • 1990
  • Chemical Engineering Progress
  • Legal Implications of Chemical Releases
  • 1986
  • Northeast Industrial Waste Exchange Listings Catalog
  • Waste Exchange Participation and the Potential for Liability - Be Wary of Possible Regulatory Traps
  • 1982
  • Expanding Liability in Environmental Law
  • Private Allocations of Environmental Risks - Contract Considerations
  • 1981
View all publications

Speaking Engagements

  • Texas Wetlands Conference
  • The Nature and Scope of Enforcement Authority and Related Case Law
  • 2011
  • Texas Land Law for Civil Engineers and Land Surveyors
  • State and Federal Site Contamination Law
  • 2011
  • Annual Operating Conference
  • Environmental Due Diligence in Transactions
  • 2010
  • 2007 Corrosion Conference and Expo
  • Legionnaires Disease: The Impact of an Outbreak from a Legal Perspective
  • 2007
  • U.S. Department of Justice Television Net
  • Effective Litigation Techniques for Environmental Pollution Cases
  • 2005
  • Lorman Education Seminar
  • Environmental Issues Of Document Retention And Destruction: Best Policies And Practices
  • 2004
  • CLE International Texas Water Law
  • Federal Wetlands Jurisdiction After the SWANCC Decision
  • 2001
  • GRI-14 Conference on Hot Topics In Geosynthetics — 1, Geosynthetic Institute
  • Bioreactor Landfills: Long-Term Liability Issues
  • 2000
  • Superfund A Program in Evolution
  • Cleanup Standards
  • 1987
View all speaking engagements

Attorney endorsements

Received (1)
Given (0)
Endorse Ragna
Unknown Attorney | Sep 12
Relationship: Other
"I endorse this lawyer. she is very devoted to the community and to her practice. She will support you all the way through the litigation process."
This attorney hasn't created any attorney endorsements recently on Avvo.

Avvo Contributions

This attorney hasn't created any legal answers in Q&A or legal guides recently on Avvo.

Houston Environmental and natural resources Lawyer Ragna Olausen Henrichs
Ragna Olausen Henrichs
Environmental and natural resources Attorney
Houston, TX
Licensed for 53 years