All Knowledge & Insights By Date

On April 6, 2026, the U.S. Environmental Protection Agency (EPA) released the draft of its sixth Contaminant Candidate List (CCL) issued under the Safe Drinking Water Act (SDWA), including for the first time microplastics as a priority contaminant group. 91 Fed. Reg. 17186. Section 1412(b)(1)(B)(i) of SDWA, as amended in 1996, requires that EPA publish the CCL every five years. The contaminants on the List are not regulated under national primary drinking water regulations, but either occur or...

State and federal regulatory measures to address microplastics are flourishing. This trend is expected to continue in 2026. Provided in this article is an overview of microplastics regulatory and policy developments from 2025 to date....

This year has seen a significant increase in legislative, regulatory and policy initiatives involving microplastics. This momentum suggests more regulatory activity moving forward for quite some time, although in ways that are not always clear or predictable. ...

Microplastics are, in recent years, at the forefront of regulatory and policy driven conversations across the United States. Regulatory measures to address microplastics at both state and federal levels have been introduced with increasing frequency. This trend holds true in 2025, which has already seen a significant quantity of legislative, regulatory, and policy proposals and actions in the microplastics sphere. Ongoing interest in microplastics and regulations suggests continued increases in...