DOJ Environment and Natural Resources Division

The Environment and Natural Resources Division (ENRD) is the component of the U.S. Department of Justice responsible for litigating the full range of civil and criminal cases involving the nation's land, water, wildlife, and natural resources. Operating under the authority of the Attorney General, ENRD handles matters that span federal environmental statutes, public land disputes, Native American rights, and wildlife protection. The division's work affects enforcement of landmark laws such as the Clean Air Act, the Clean Water Act, and the National Environmental Policy Act, making it central to how federal environmental law is translated into binding legal outcomes.

Definition and scope

The Environment and Natural Resources Division was established as a distinct litigating division within DOJ, consolidating environmental enforcement and natural resources defense functions that had previously been scattered across other components. Its mandate covers two broad domains: enforcing federal environmental statutes against polluters, and defending federal agencies in litigation over public land management, resource extraction, and tribal obligations.

ENRD employs approximately 600 attorneys organized into specialized sections. The DOJ Divisions Overview page situates ENRD alongside counterpart litigating units such as the DOJ Civil Division and the DOJ Antitrust Division, each of which holds a distinct jurisdictional lane within the department. ENRD's jurisdictional scope is national, but the division routinely coordinates with the 94 U.S. Attorneys' Offices that handle environmental dockets in their own districts.

The division's statutory authority derives from a cluster of major federal laws, including:

• Clean Air Act (42 U.S.C. § 7401 et seq.)
• Clean Water Act (33 U.S.C. § 1251 et seq.)
• Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), 42 U.S.C. § 9601 et seq.
• Endangered Species Act (16 U.S.C. § 1531 et seq.)
• National Environmental Policy Act (42 U.S.C. § 4321 et seq.)
• Federal Land Policy and Management Act (43 U.S.C. § 1701 et seq.)

How it works

ENRD is organized into seven litigating sections, each with a defined subject-matter portfolio:

1. Environmental Enforcement Section — prosecutes civil cases against industrial and municipal polluters under statutes such as CERCLA and the Clean Water Act, recovering cleanup costs and civil penalties on behalf of the federal government.
2. Environmental Defense Section — defends federal agencies when they are sued by private parties, states, or environmental organizations challenging regulatory decisions or land-management actions.
3. Environmental Crimes Section — handles criminal prosecution of individuals and corporations for willful violations of environmental statutes, including illegal dumping of hazardous waste and falsification of pollution records.
4. Natural Resources Section — litigates disputes over federal ownership and management of public lands, including challenges to mining, grazing, and timber contracts on Bureau of Land Management and Forest Service lands.
5. Wildlife and Marine Resources Section — enforces the Endangered Species Act, the Marine Mammal Protection Act, and the Lacey Act, both domestically and in international trafficking cases.
6. Indian Resources Section — represents the United States in trust responsibility cases involving Native American water rights, land titles, and treaty obligations.
7. Appellate Section — handles ENRD matters before U.S. Courts of Appeals and, in coordination with the Solicitor General, prepares briefs for the Supreme Court.

Civil enforcement cases typically begin with a referral from the U.S. Environmental Protection Agency (EPA), the U.S. Army Corps of Engineers, or another federal agency that has completed an administrative investigation and determined that civil litigation is warranted. Criminal referrals originate primarily from the EPA Criminal Investigation Division and the FBI. Once ENRD receives a referral, trial attorneys evaluate the evidentiary record, identify the applicable statutory provisions, and decide whether to pursue litigation or negotiate a pre-suit settlement. Significant DOJ consent decrees in environmental cases—many of which impose injunctive relief, compliance schedules, and supplemental environmental projects—are among the most consequential instruments ENRD uses to resolve enforcement matters.

Common scenarios

Three categories of matters account for the majority of ENRD's active docket:

Superfund and CERCLA cost recovery. When EPA funds a hazardous waste cleanup at a Superfund site, ENRD pursues cost recovery against the responsible parties under CERCLA § 107. Recoveries can reach tens of millions of dollars per site; the EPA Superfund program lists more than 1,300 sites on its National Priorities List (EPA, National Priorities List), and ENRD carries an active docket of cost-recovery and contribution actions tied to that inventory.

Clean Water Act discharge cases. Industrial facilities that discharge pollutants into navigable waters without a valid National Pollutant Discharge Elimination System permit, or in excess of permitted limits, face civil penalties up to $64,618 per day per violation under the Federal Civil Penalties Inflation Adjustment Act (EPA Civil Penalty Policy). ENRD litigates these cases and negotiates consent decrees that pair penalty payments with compliance upgrades.

Public land defense. Federal agencies including the Bureau of Land Management and the U.S. Forest Service face a continuous volume of litigation challenging lease decisions, environmental reviews, and land-use plan amendments. ENRD's Environmental Defense and Natural Resources sections defend these actions in district courts across the western United States, where the majority of federal public land acreage is concentrated.

Decision boundaries

Understanding where ENRD's authority begins and ends requires distinguishing it from three overlapping federal actors:

ENRD does not set environmental regulations—that function belongs to EPA, the Army Corps, and other rulemaking agencies. The division's role is exclusively litigation and legal defense. When a regulated entity challenges the validity of an EPA rule, ENRD defends the agency; when a polluter violates an existing rule, ENRD enforces it. This division of labor between regulatory authority and litigation authority is foundational to how the federal environmental enforcement system operates, and readers seeking broader context about how DOJ structures authority across its components can consult the main reference index.

ENRD also operates at the boundary between civil and criminal enforcement. The Environmental Crimes Section pursues criminal charges only when evidence supports proof of willful or knowing violations under the applicable statute's criminal provisions. Cases that do not meet that threshold are redirected to civil enforcement through the Environmental Enforcement Section—a prosecutorial-discretion determination governed by the same principles described in DOJ charging decisions and prosecutorial discretion.