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The Environmental Council of the States (ECOS)

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Chemicals & Emerging Contaminants
PFAS in Biosolids: A Review of State Efforts & Opportunities for Action
Compliance & Enforcement
ECOS Green Report: Alternative Compliance Monitoring Strategies
Air
ECOS Letter to EPA on Proposed PM NAAQS Revisions
Water
ECOS Letter to President Biden on CWA 401 Legislation
Water
Press Release on Sackett v. EPA and Importance of State Wetland Stewardship

Photo of Vineyard in Salem, Oregon by Photo by Dan Meyers on Unsplash

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.

Featured Event

2023 State Environmental Protection (STEP) Meeting: Climate & Water Nexus

Jun 26, 2023 - Jun 27, 2023

Washington,

Get info

From Twitter

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30 May 1663570711795957763

With support from Oregon’s Clean Water State Revolving Fund, the city of Redmond has begun building a wetlands complex that will utilize ponds and engineered wetlands to treat wastewater. @OregonDEQ https://www.ecos.org/news-and-updates/oregon-city-constructing-wetlands-complex-to-treat-municipal-wastewater/

Follow @ecostates

Our Focus

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

  • Agency Management & Budget
  • Air
  • 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.
  • Environmental Justice and Title VI of the Civil Rights Act
    ECOS helps facilitate environmental justice and Title VI related discussions amongst state and federal partners
  • Infrastructure and Climate Investments
    ECOS is collecting information and resources about both the American Rescue Plan Act and the Bipartisan Infrastructure Law (BIL)
  • PFAS
    ECOS is helping states communicate and coordinate with EPA, other federal agencies, and each other about developments and best practices pertaining to PFAS
Three children running outside

ECOS Results

ECOS Results illustrates the outcomes of members’ efforts to improve public health and the environment.

A compost bin in front of a wooden fence. The bin says Food Waste, No Plastic Bags

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.

Coworker passing a folder to another coworker

State Business Process Improvement Project Inventory

This inventory aims to further facilitate coordination and knowledge sharing amongst states as they improve the way they operate and administer their environmental programs.

Our Members

We are the national non-profit, non-partisan association of state and territorial environmental agency leaders. Learn more.

Wyoming Partners to Reduce Harmful Algal Blooms
  • Wyoming
Oregon City Constructing Wetlands Complex to Treat Municipal Wastewater
  • Oregon
South Carolina to Create a New Department of Environmental Services
  • South Carolina
New Colorado Rule Addresses Air Pollution in Disproportionately Impacted Communities
  • Colorado
Utah Publishes Interactive Recycling Map
  • Utah
New Jersey Issues Climate Resilience Guidance for Water Infrastructure
  • New Jersey

Our Affiliates

Logo for the Environmental Research Institute of the States

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.

Logo for the Interstate Technology Regulatory Council

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.

Logo for The 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.

E-Enterprise for the Environment logo

E-Enterprise for the Environment (E-Enterprise) 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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