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The Environmental Council of the States (ECOS)

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Important Information for You

ECOS FY26 Testimony to the Senate Committee on Appropriations on U.S. EPA's Budget
Budget & Agency Management
Coalition Letter to Congressional Leaders on the Importance of Federal Funding to State Environmental Agencies
Budget & Agency Management
ECOS Letter to U.S. EPA on the FY26 President's Budget Preliminary Request and Discretionary Funding Cuts to Categorical Grants
Budget & Agency Management
ECOS Statement on States' Need for EPA Scientific Research
Document
ECOS Compendium of State PFAS Actions
Chemicals & Emerging Contaminants

Photo of The skyline of downtown Santa Fe, New Mexico at dusk by Sean Pavone

The Environmental Council of the States (ECOS) works to improve the capability of state environmental agencies and their leaders to protect and improve human health and the environment of the United States of America. Learn more about us.

Next Member Event

2025 ECOS Fall Meeting

Sep 02, 2025 – Sep 05, 2025

Santa Fe, NM

Get info

State News

Our members are state and territorial environmental agency leaders. Learn more about what they are working on.

New Hampshire Offers ‘Cybersecurity in a Box’ Program
To safeguard its drinking water and wastewater systems against cyberattack, the New Hampshire Department of Environmental Services has partnered with the Overwatch Foundation on its “Cybersecurity in a Box” pilot…
  • New Hampshire
Washington Ecology Opens Food Waste Center
On January 1, the Washington Department of Ecology launched the Washington Center for Sustainable Food Management, a food center hub aiming to connect individuals and organizations across the food system…
  • Washington
Nevada Hosts HABs Education Day
To help raise awareness, the Nevada Harmful Algal Bloom (HAB) Task Force held a HABs Education Day at a state recreation area on July 8. Experts from the Task Force…
  • Nevada

Our Focus

ECOS works in a variety of media and policy areas to help states and territories protect public health and the environment.

Air
Budget & Agency Management
Chemicals & Emerging Contaminants
Compliance & Enforcement
Energy
Environmental Data
Federal Facilities
Land & Waste
Sustainability & Materials Management
Water

ECOS gathers information and resources for members to help them efficiently and effectively address important topics relevant to public health and the environment.

Children of different ages, races, and genders playing a fountain. They are having fun.
Environmental Justice and Title VI of the Civil Rights Act Resources and Information
ECOS helps facilitate environmental justice and Title VI related discussions amongst state and federal partners
Aerial view of a mobile service tower in forested area of West Virginia.
Infrastructure and Energy Funding Resources and Information
ECOS is collecting funding information and resources about the American Rescue Plan Act, the Bipartisan Infrastructure Law, and the Inflation Reduction Act.
Point of view shot of a person pouring a glass of fresh water from a kitchen faucet
PFAS Resources and Information
ECOS is helping states communicate and coordinate with EPA, other federal agencies, and each other about developments and best practices pertaining to PFAS
Solar panels under a bright blue sky
Climate and Energy Solutions from ECOS Members
ECOS is helping states share durable climate and energy solutions that protect the environment, safeguard human health, and grow clean energy economies.
A food waste trash can.
Sustainable Materials Management Project Inventory
We are highlighting certain policies, incentive programs, or unique projects with information for other states on how they were implemented, resources needed, and results to date.

Learn from Our Partnerships

ERIS logo

The Environmental Research Institute of the States is a 501(c)3 organization that focuses on educational and research issues.

ITRC logo

The Interstate Technology and Regulatory Council (ITRC) is a state-led coalition of state and federal regulators, industry, and stakeholders working together to achieve regulatory acceptance of environmental technologies.

Exchange Network logo

The Exchange Network is a partnership among States, Territories, Tribes, and the U.S. Environmental Protection Agency that is improving and expanding the exchange of environmental information.

E-Enterprise for the Environment logo

E-Enterprise for the Environment is a transformative 21st-century strategy to modernize how government agencies deliver environmental protection.

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The Environmental Council of the States
1250 H Street NW, Suite 850
Washington, DC 20005

Email: ecos@ecos.org
Tel 202-266-4920
Fax 202-266-4937

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