H.R. 4593 explained · 119th Congress · Pending in Congress
SHOWER Act
Cosponsors: 2 (0 D, 2 R) · per Congress.gov, 2026-10-09
Introduced: 2025-07-22
Latest action (2026-01-15): Received in the Senate and Read twice and referred to the Committee on Energy and Natural Resources.
What H.R. 4593 does, in plain terms
Saving Homeowners from Overregulation With Exceptional Rinsing Act or the SHOWER Act This bill provides statutory authority for a revised definition of showerhead for the purpose of federal water efficiency regulations. Specifically, the bill adopts the definition of showerhead established by the American Society of Mechanical Engineers (ASME). The bill also requires the Department of Energy (DOE) to revise existing regulations to reflect the new definition. Executive Order 14264 (titled Maintaining Acceptable Water Pressure in Showerheads and issued on April 9, 2025) directed DOE to rescind its regulatory definition of showerhead. This bill provides statutory authority for a new definition that replaces the rescinded regulations.
Official summary by the Congressional Research Service, via Congress.gov.
Constitution Index
“VFA Constitution grade”
Constitutionally sound
Graded 2026-10-09
SI-generated grade · five published checks · not individually reviewed by a person · methodology
The SHOWER Act is a narrow definitional amendment to existing federal water-efficiency law. Congress may regulate showerheads as products in interstate commerce, and the bill does not infringe any enumerated right, take property without compensation, or impermissibly shift power away from state and local governments in a way that violates the Tenth Amendment. It is constitutionally sound.
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✓ Passes · Enumerated powers
Congress has explicit authority under Article I, Section 8, Clause 3 to regulate interstate commerce. Showerheads are manufactured and sold through interstate commerce, and federal water-efficiency rules for them are within the established commerce power. The bill merely provides a statutory definition for an existing federal regulatory program, and it is also a proper exercise of the Necessary an… -
✓ Passes · Bill of Rights
The bill does not implicate the First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, or Ninth Amendments. It defines a product for water-efficiency regulation and does not restrict speech, religion, assembly, press, petition, the right to keep and bear arms, or any criminal procedure right. -
✓ Passes · Individual sovereignty
The bill imposes only a modest regulatory definition on manufacturers and consumers of showerheads. It does not restrict a person's control over body, belief, or core personal liberty. The government has a legitimate interest in uniform water-efficiency standards for products sold nationally, and this definitional change is not an arbitrary invasion of private property or labor rights beyond ordin… -
✓ Passes · Decentralization
An individual or family cannot set a nationwide product definition; a local community cannot regulate a national interstate market; and state-by-state definitions for a mass-produced consumer appliance would create inconsistent burdens on interstate commerce. A uniform national definition is the minimum necessary level of regulation for this product market. The bill therefore does not consolidate … -
✓ Passes · Due process and takings
The bill provides clear statutory direction to the Department of Energy and does not deprive any person of life, liberty, or property without due process. It does not confiscate property or impose a public-use taking. It only adjusts the regulatory definition of a product and requires rulemaking to conform existing regulations, with no retroactive or arbitrary effect.
Sources: Congress.gov: HR 4593 summary
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