U.S. Environmental Protection Agency

U.S. Environmental Protection Agency (EPA) Organization Chart

Government · Functional structure · 15K employees · Washington, DC

20
Agency head span
↑ wider than peers (avg 11)
0
Avg span
tight
2
Max depth
2 levels

Interactive org chart

U.S. Environmental Protection Agency organizational chart

Explore the agency leadership model, component structure, and reporting layers from official public sources.

Open editable chart

EPA is a U.S. federal agency responsible for protecting human health and the environment through regulation, enforcement, research, grants, and partnerships, operating via headquarters program offices and ten regional offices.

What to model

Use the chart to test org decisions, not just view reporting lines

Start with the public baseline, then use the scenario views and source-backed changes to ask what happens when leadership, span, or team ownership shifts.

Scenario views in the chart

  • Add cross-agency data and AI coordination role Model the addition of a centralized data and AI coordination office to support science, enforcement, and regulatory analytics across EPA.
  • Regional consolidation planning Explore grouping selected administrative services across regions to improve efficiency while maintaining program delivery.

Atlas work this supports

The people

Key leaders and offices

12 senior leadership roles or offices from official public sources. Use this section as a current agency-leadership index, not a private-company filing table.

Administrator

Administrator

Office of the Administrator

21 reports

Office of the Administrator

Chief of Staff / Administrator’s Office

Office of the Administrator

0 reports

Office of Air and Radiation

Assistant Administrator

Office of Air and Radiation

0 reports

Office of Chemical Safety and Pollution Prevention

Assistant Administrator

Office of Chemical Safety and Pollution Prevention

0 reports

Office of Enforcement and Compliance Assurance

Assistant Administrator

Office of Enforcement and Compliance Assurance

0 reports

Office of Finance and Administration

Assistant Administrator

Office of Finance and Administration

0 reports

Office of General Counsel

General Counsel

Office of General Counsel

0 reports

Office of Inspector General

Inspector General

Office of Inspector General

0 reports

Office of International and Tribal Affairs

Assistant Administrator

Office of International and Tribal Affairs

0 reports

Office of Land and Emergency Management

Assistant Administrator

Office of Land and Emergency Management

0 reports

Office of Research and Development

Assistant Administrator

Office of Research and Development

0 reports

Office of Water

Assistant Administrator

Office of Water

0 reports

The operating model

How U.S. Environmental Protection Agency divides the work

3 offices, branches, or components organize the agency mission. Tile size scales with estimated staff where public estimates exist.

Office of Air and Radiation

oar

Develops and enforces national programs to protect air quality and manage radiation risks.

Office of Water

ow

Protects drinking water, surface waters, and aquatic ecosystems through standards and programs.

Office of Research and Development

ord

Provides the scientific foundation for EPA regulations and decisions through research and analysis.

The agency brief

What this U.S. agency structure tells us

The U.S. Environmental Protection Agency (EPA) is an independent federal agency charged with protecting human health and the environment. Structurally, EPA is organized around functional headquarters offices that develop policy, regulations, science, enforcement, and administrative support, complemented by ten regional offices that implement and enforce environmental laws across states and territories. Authority is centralized under the Administrator, while program offices (air, water, chemicals, land, enforcement, research) provide national consistency and regions tailor execution to local conditions. A distinctive feature is EPA’s strong science-to-regulation model, integrating research, rulemaking, grants, and enforcement within a single agency.
  • Strong functional headquarters offices paired with nationwide regional implementation
  • Independent Inspector General reporting directly to the Administrator
  • Science and research embedded directly in regulatory structure

The comparison

Compare with related agencies

Compared with the Department of the Interior, EPA is more regulatory and standards-driven, while Interior focuses on land and resource management. Relative to the Department of Energy, EPA emphasizes public health protections and compliance rather than energy production and research. EPA’s regional structure is similar …

Senior office count

Reporting depth

U.S. Environmental Protection Agency
2 levels

Current signals

What changed recently

No recent leadership changes documented in the provided official source pages.

Frequently Asked Questions

Who leads the U.S. Environmental Protection Agency?

The U.S. Environmental Protection Agency is led by the Administrator, who is appointed by the President and confirmed by the Senate.

What does the U.S. Environmental Protection Agency do?

EPA protects human health and the environment by developing and enforcing environmental regulations, conducting scientific research, providing grants, and working with partners across government and society.

What are the major offices or components of the U.S. Environmental Protection Agency?

Major components include the Office of Air and Radiation, Office of Water, Office of Chemical Safety and Pollution Prevention, Office of Enforcement and Compliance Assurance, Office of Research and Development, and ten regional offices.

Who does the U.S. Environmental Protection Agency report to?

EPA is an independent agency of the executive branch and reports to the President of the United States.

How can this org chart be used for planning or analysis?

The org chart helps policymakers and analysts understand how environmental authority is organized across headquarters and regions, supporting planning, coordination, and resource allocation.

Sources

Reference

Cite this page

If you reference this page in research, analysis, or news writing, use one of the formats below. Citation includes the SEC filing source where applicable.

APA 7th
Creately. (2026). U.S. Environmental Protection Agency organizational structure. Creately. Retrieved , from https://creately.com/org-chart/us-government/environmental-protection-agency/
MLA 9th
"U.S. Environmental Protection Agency Organizational Structure." Creately, April 1, 2026, https://creately.com/org-chart/us-government/environmental-protection-agency/. Accessed .
Chicago 17
Creately. "U.S. Environmental Protection Agency Organizational Structure." Last modified April 1, 2026. https://creately.com/org-chart/us-government/environmental-protection-agency/.

Permanent URL: https://creately.com/org-chart/us-government/environmental-protection-agency/ · last updated 2026-04-01

Turn this agency structure into an Atlas workspace. Model reporting lines, compare components, and test scenario plans from an official public baseline.