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The Environmental Council of the States (ECOS)

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Policy Documents

ECOS Letter to U.S. EPA and Army Corps on WOTUS Supplemental Notice

October 9, 2026

WaterLetters

Letter from ECOS President Leah Feldon

October 6, 2026

Governance Information

ECOS Letter to U.S. EPA on Draft Guidance for Reducing Risk from PFOA and PFOS in Biosolids

October 5, 2026

Chemicals & Emerging ContaminantsLetters

ECOS House Testimony on Safe Drinking Water Act Amendments

September 3, 2026

Budget & Agency ManagementWaterTestimonies

Resolution 26-1: PFAS Liability and Cooperative Federalism

September 2, 2026

Chemicals & Emerging ContaminantsWaterResolutions

Resolution 10-5: Improving Cooperative Management of Programs to Reduce Nonpoint Source Pollution

September 2, 2026

WaterResolutions

Resolution 11-8: On the Use of Guidance

September 2, 2026

Compliance & EnforcementResolutions

Resolution 13-2: The Need for Reform and State Participation in EPA’s Consent Decrees which Settle Citizen Suits

September 2, 2026

Compliance & EnforcementResolutions

Resolution 13-3: Support for E-Enterprise for the Environment and the Exchange Network

September 2, 2026

Budget & Agency ManagementEnvironmental DataResolutions

Resolution 17-4: Federal Rule Promulgation and Implementation

September 2, 2026

Budget & Agency ManagementCompliance & EnforcementResolutions

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Washington, DC 20005

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

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