Lowry A. Crook



Tel: (202) 370-5328


At a Glance

Lowry’s experience and knowledge help clients achieve success in matters involving water, infrastructure, environmental issues and disaster resilience and recovery.

Lowry has served in senior positions overseeing the Army Corps of Engineers and at the White House.

He helps clients navigate multiple intersecting legal, policy, funding and regulatory schemes across water, infrastructure and environmental agencies and Congress.

Lowry Crook advises and represents public and private clients on water infrastructure, the Clean Water Act, environmental review and permitting, ecosystem restoration, and disaster resilience and recovery issues. He is a partner in the Environmental Law & Natural Resources practice group in Best Best & Krieger LLP’s Washington, D.C. office. Lowry works with cities, counties, water districts, flood control districts and private entities to develop and advance water infrastructure and ecosystem restoration projects, expedite environmental reviews and permitting, resolve water operation and regulatory issues, and prepare for — and recover from — natural disasters.

Lowry has served in senior positions at the White House and federal agencies governing a wide range of environmental, natural resources, infrastructure, energy, land management and transportation issues. He served as a senior leader and counsel overseeing the Army Corps of Engineers, the White House Council on Environmental Quality and the Federal Maritime Commission. Prior to his government service, Lowry worked for 10 years as a litigation and government investigations attorney at the law firm WilmerHale in Washington, D.C.

Lowry’s experience and knowledge helps local governments and private clients navigate complex issues such as:

  • The Army Corps of Engineers’ project planning and budgeting processes
  • Regulation and permitting under section 404 of the Clean Water Act and section 408 of the Rivers and Harbors Act
  • Reviews and interagency consultations under the National Environmental Policy Act and the Endangered Species Act
  • Tools for expediting reviews and permitting, including the FAST Act of 2015 and the Federal Permitting Improvement Steering Council
  • White House Office of Management and Budget and Congressional authorization, budgeting and appropriations
  • Public-private partnerships and innovative finance approaches for infrastructure
  • Resolving complex water operations and allocation issues
  • Federal programs and resources for ecosystem restoration
  • Requirements for mitigating project impacts on natural resources, including for advanced conservation through mitigation banks and in lieu fee programs
  • Federal tools and resources for preparing for disasters, reducing hazards, increasing resilience, and disaster response and recovery
  • Federal regulation of international shipping and ports

Lowry has also advised and represented clients and organizations in a wide range of government and Congressional investigations, hearings and litigation.

Before he began his law practice in Washington, D.C., Lowry served as a judicial clerk for then-Justice Greg Abbott of the Texas Supreme Court. 


  • University of Texas, J.D., high honors
  • LBJ School of Public Affairs, M.P.Aff.
  • University of Texas, B.A., Plan II Honors Program, specialization in government


  • District of Columbia
  • Texas
Legal Alerts Mar 11, 2021

COVID-19 Relief Package Provides Substantial Aid to States, Counties and Cities

$1.9 Trillion COVID-19 Federal Relief Package – American Rescue Plan Act

Legal Alerts Jun 05, 2020

EPA Issues Final Rule to Narrow Scope and Timelines for State Water Quality Certifications

Changes to Clean Water Act Section 401 Certifications

Legal Alerts Apr 23, 2020

Fourth COVID-19 Federal Relief Package

Paycheck Protection Program, Small Business Administration Disaster Loans and Health Care Funding

Legal Alerts Apr 20, 2020

Final Rule Narrowing Clean Water Act Jurisdiction to be Published Tomorrow

EPA and Army Corps of Engineers New “Waters of the U.S.” Definition Takes Effect on June 22*

Legal Alerts Mar 27, 2020

Third Federal Funding Bill Provides $2.2 Trillion for COVID-19 Impacts

The Legislation’s Key Provisions for Public Agencies and Local Governments

Legal Alerts Mar 17, 2020

Three Federal Actions to Address COVID-19

How These New Measures Impact Businesses, Public Agencies and Employees

Legal Alerts Mar 10, 2020

The EPA’s National Water Reuse Action Plan

Joint Plan Aims to Meet Rising Water Demands

Legal Alerts Feb 06, 2020

PFOA and PFOS Response Levels Lowered for California Drinking Water

New Thresholds Impact Wider Swath of Public Water Suppliers

Legal Alerts Jan 30, 2020

Proposed NEPA Regulation Overhaul: Next Steps and What Matters for Public Agencies

Public Comments Due March 10

Legal Alerts Jan 23, 2020

Final Rule Narrowing Clean Water Act Jurisdiction

EPA and Army Corps of Engineers Give New Waters of the U.S. Definition

Legal Alerts Jan 13, 2020

New Environmental and Telecommunications Laws

Part 3: California Laws Impacting Public Agencies for 2020

Legal Alerts Oct 30, 2019

Clean Water Act: 2015 Jurisdiction Rule Repeal Set to Take Effect Dec. 23

WOTUS Definition Court Challenges Continue

Legal Alerts Sep 03, 2019

California Issues the Nation’s Strictest Notice Levels for PFAS in Drinking Water

New Response Thresholds and Regulations in the Works for Public Water Suppliers

Legal Alerts Aug 09, 2019

PFAS Concerns Trigger Regulatory and Legal Responses

Federal and State Governments and Courts Concerned About Toxicity and Water Contamination

Legal Alerts Feb 15, 2019

Clean Water Act: Proposed WOTUS Replacement Rule Published in Federal Register

Comments Due by April 15

Legal Alerts Dec 12, 2018

Proposed Federal Clean Water Rule Impacts Cities and Residents

Comments Being Sought

Contact Lowry A. Crook

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