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United States · NevadaIn force

Nevada heat-illness regulation and 2025 enforcement start

Nevada's heat-illness regulation was filed November 15, 2024, and full enforcement began April 29, 2025. It establishes heat-hazard analysis and related procedures, training and response duties for covered employers.

Scope to keep in mind

The written-program employee threshold is not a blanket exemption from all duties. Updated May 2026 guidance requires further review.

Legal status
in force
Source check
Sep 17, 2026
Topic
Nevada heat-illness regulation and 2025 enforcement start
Technical review
Jiaxi · 2026-09-23

What changed

Previous requirement

Existing written-safety-program duties.

New requirement or current position

Heat hazard analysis and related procedures, training and response duties under the new rule.

Who it affects

  • Covered workplaces in Nevada

Dates and milestones

Commencement and compliance dates can differ. Read the conditions beside each date, including any stay or local adoption requirement.

Announcement or publication
Nov 15, 2024
Recorded effective date
Nov 15, 2024
Apr 29, 2025

Nevada OSHA covered employers

Full enforcement start, distinct from filing/effective date.

What this could mean for your IH program

Editorial interpretation: evaluate coverage under NRS 618.383, relevant job classifications and climate-control exceptions before updating the heat program.

Confirm applicability with a qualified practitioner before changing your program.

Questions and qualifications

  • The written-program threshold is generally more than 10 employees, with additional statutory coverage; do not reduce all duties to a blanket employee-count exemption.
  • Updated May 2026 guidance has been discovered; full guidance review remains pending.

Source evidence

  1. Approved regulation R131-24

    Nevada Legislature · Filing header; sections 5-10

    Written-analysis scope links to NRS 618.383; sections specify training, mitigation and climate-control exceptions.

  2. Heat regulation enforcement reminder

    Nevada Department of Business and Industry · April 21, 2025 release; opening and requirements

    Confirms April 29 enforcement and explains job analysis and program duties.

Related findings

Managing your IH program

Explore how LEAP IH supports industrial hygiene data management and risk assessment.

Explore LEAP IH

See a missing update or a correction? Contact APT with this page and the official source.