Federal OSHA jurisdiction for private-sector employers; Wisconsin has no OSHA-approved State Plan. Enforced by U.S. Department of Labor - OSHA area offices (Appleton, Eau Claire, Madison, Milwaukee) for private employers; DSPS Division of Industry Services Public Sector Safety for public employees. Verified on the primary source, re-checked weekly.
Wisconsin is absent from OSHA's 22 full and 7 public-sector-only State Plans. Public employees fall under a DSPS state program (not OSHA-approved) that sets and enforces safety and health standards.
Source: primary document
Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.
Federal Hazard Communication (2024 update) employer deadlines, extended Jan 15, 2026: update workplace labels, HazCom program and training for substances by Nov 20, 2026 and for mixtures by May 19, 2028
The federal layer applies in every state: OSHA's Hazard Communication update (91 FR 1695) sets November 20, 2026 for substances and May 19, 2028 for mixtures. State-plan states enforce it through their own agency.
Federal OSHA jurisdiction for private-sector employers; Wisconsin has no OSHA-approved State Plan. Wisconsin is absent from OSHA's 22 full and 7 public-sector-only State Plans. Public employees fall under a DSPS state program (not OSHA-approved) that sets and enforces safety and health standards.
U.S. Department of Labor - OSHA area offices (Appleton, Eau Claire, Madison, Milwaukee) for private employers; DSPS Division of Industry Services Public Sector Safety for public employees.
Nothing is scheduled. The rule above stays in force until the state adopts a newer edition or amends the program; AHJ Radar re-checks the source weekly.
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