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The Environmental Council of the States (ECOS) is the national non-profit, non-partisan association of state and territorial environmental agency leaders. The purpose of ECOS is 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 here.


Latest News

ECOS Participates in FERC Conference on 111(d)

President Martineau's statement can be found here.

(February 20, 2015)

ECOS Recruiting for Two Positions

The description for the ITRC Director position can be found here.

The description for the Project Manager position can be found here

(February 13, 2015)

ECOS Submits Joint Statement for Waters of the U.S. Bicameral Hearing

The joint statement with ACWA and ASWM can be viewed here.

(February 4, 2015)

ECOS Statement on the President's FY16 Budget

The press release can be accessed here.

(February 2, 2015)

January 2015 Green Report-2014 Environmental Innovations: Bridge-Building, State E-Initiatives Yield Results

The report can be accessed here.

(January 30, 2015)

ECOS Testimony to House Committee on Energy and Commerce Subcommittee on Environment and the Economy on EPA’s 2014 Final Rule: Disposal of Coal Combustion Residuals from Electric Utilities, Thomas Easterly (IN)

The testimony can be accessed here.

(January 22, 2015)

Press Release: States, U.S. EPA, Auto Groups Adopt National Copper-Free Brakes Initiative

The press release can be accessed here.

(January 21, 2015)

Memorandum of Understanding on Copper Mitigation in Watersheds and Waterways

The MOU can be accessed here.

(January 21, 2015)


March 16, 2015 - March 18, 2015
2015 ECOS Spring Meeting
Washington, DC, USA

August 31, 2015 - September 2, 2015
2015 ECOS Fall Meeting
Newport, Rhode Island


View ECOS Calendar - click here.

Copies of ECOS' regularly-published, topic-specific Green Reports can be accessed here.


The Environmental Research Institute of the States is a 501(c)3 organization that focuses on educational and research issues. Click on the link below to find out more.


A state-led coalition of state and federal regulators, industry, and stakeholders working together to achieve regulatory acceptance of environmental technologies.

Exchange Network

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. Visit to learn more.

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