Members Only
Alumni Corner
About ECOS
Contact Us

Cross Media
Info Management
Quicksilver Caucus
Subscribe to receive ECOStates,
our quarterly periodical.

Subscription Info

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

Press Statement on Flint Water Crisis

The Statement can be accessed here.

(February 3, 2016)

Comments on Clean Power Plan FIP and Model Trading Rules

The Document can be accessed here.

(January 21, 2016)

ECOS Letter to Appropriations Committees on 2016 Multipurpose Grants

The Letter can be accessed here.

(January 12, 2016)

ECOS Letter to EPA on 2016 Multipurpose Grants

The Letter can be accessed here.

(January 12, 2016)

Toxic Substances Control Act (TSCA) Reform: Key Issues and Comments

The Document can be accessed here.

(January 7, 2016)

ECOS Letter on Environmental Enforcement Training for States

The Letter can be accessed here.

(December 21, 2015)

ECOS Releases State Sustainability Videos

View videos on Nebraska's program to increase energy efficiency at WWTPs and Michigan's program to support local government sustainability practices.

(December 14, 2015)

Renewed Concerns by ECOS & State Water Groups with H.R. 8

The Letter can be accessed here.

(December 1, 2015)

ECOS Comments on EPA National Enforcement Initiatives

The Letter can be accessed here.

(October 14, 2015)

EPA Letter to ECOS on NPDES Rule

The Letter can be accessed here.

(September 24, 2015)

Statement by ECOS Regarding U.S. EPA’s Release of the Clean Power Plan and Related Action

The statement can be accessed here.

(August 3, 2015)


April 10, 2016 - April 13, 2016
2016 ECOS Spring Meeting
Nashville, Tennessee

September 25, 2016 - September 27, 2016
2016 ECOS Fall Meeting
Wheeling, West Virginia


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.

[ More ] [ More ] [ More ]