Energy & environment · 22/12/2010Updated: 10/17/2026 · 1 min read
DOE Waives Federal Preemption for State Regulations on Water-Efficient Fixtures
Summary
The U.S. Department of Energy (DOE) has waived federal preemption for state regulations on water-efficient showerheads, faucets, water closets, and urinals, allowing states to set more stringent standards if they apply to all products in a particular type or class.