The OSHA heat rule: a live status tracker.
No final federal standard as of July 2026 — but the Heat NEP enforces through April 2031.
The proposed rule is stalled. The National Emphasis Program is not: OSHA updated it on April 10, 2026, it runs through April 2031, and the former numerical inspection goal is gone. Here's what actually applies this summer.
That crosses your plan’s high-heat trigger. I queued the water-and-shade checklist for all four crews and drafted a 40/20 work-rest cycle for approval.
- Crew action
- Water + shade checklist queued for 4 crews
- Work/rest
- 40/20 cycle drafted for supervisor approval
- Acclimatization
- 2 new hires flagged as still on ramp
No quota: OSHA removed the former numerical inspection goal. The federal heat rule is not final; the Heat NEP remains active through April 2031, and state rules may add requirements.
Is there a federal heat standard? No — and yes.
There is no final federal OSHA heat standard as of July 2026. The proposed Heat Injury and Illness Prevention rule is stalled — post-hearing comments closed October 30, 2025, with no final-action date on the regulatory agenda. But heat is enforced anyway: through the General Duty Clause (OSH Act §5(a)(1)) and a revised National Emphasis Program effective through April 2031, under which OSHA proactively inspects construction sites on heat-priority days.
Last reviewed · by Ben Sleeman · Credentialed safety reviewer · Rule status checked against the OSHA heat rulemaking docket and unified agenda; NEP details checked against OSHA’s April 10, 2026 update effective through April 2031.
Changelog
- Final credentialed content review completed by Ben Sleeman.
- Material regulatory and workbook corrections applied before final review.
- Verified rule status against the heat rulemaking docket and unified agenda; revised Heat NEP update dated April 10, 2026 confirmed through April 2031; state-standard table spot-checked.
Where did the heat rule stall?
| Date | Event | What it means |
|---|---|---|
| Aug 30, 2024 | Proposed rule (NPRM) published | First federal heat-specific standard proposed |
| Jun–Jul 2025 | Public hearings held | Broad industry participation; construction provisions contested |
| Oct 30, 2025 | Post-hearing comment period closed | The last completed step in the rulemaking |
| Apr 10, 2026 | OSHA updated the Heat NEP | The revised program took effect immediately and runs through April 2031 |
| Today | No final-rule date scheduled | Enforcement rides on the General Duty Clause + NEP, and on state standards where they exist |
Translation for planning: do not wait for a federal effective date to build a heat program. The enforcement mechanism that matters — the NEP — is already active, and the states that regulate heat already have their own triggers.
What does a heat NEP inspection check?
Under the revised NEP, OSHA initiates heat inspections proactively — no complaint required — across 55 targeted industries, construction included, on days the heat index crosses program triggers.
The revised NEP uses OSHA and Bureau of Labor Statistics data from calendar years 2022–2025 to focus inspections and outreach in 55 high-risk industries, construction included. OSHA eliminated the former numerical inspection goal, so the point is not a quota; it is targeted heat enforcement on heat-priority days. On site, CSHOs ask a consistent set of questions: Is cool drinking water actually available at the work area? Is there shade or a cooled space for breaks? Are new and returning workers acclimatized on a schedule rather than put on full duty day one? Who is trained to spot heat illness, and what happens when someone shows symptoms? Is anyone monitoring the heat index and adjusting work-rest cycles?
None of that requires a final rule. All of it can be documented today — and a documented program is simultaneously your NEP readiness and your General Duty Clause defense.
Which states already have heat rules?
If you build in a state-plan state with a heat standard, the state rule is your compliance bar — several are stricter than anything in the stalled federal proposal.
| State | Coverage | Key trigger / requirement |
|---|---|---|
| California | Outdoor (indoor rule also in effect) | Core duties from 80°F; high-heat procedures at 95°F (T8 §3395) |
| Oregon | Outdoor + indoor | Duties begin at 80°F heat index; escalate at 90°F |
| Washington | Outdoor | Duties from 80°F for most work; enhanced requirements at 90°F |
| Maryland | Outdoor + indoor | Standard effective 2024; duties keyed to 80°F heat index |
| Nevada | Most workplaces | Hazard-analysis-based rule adopted 2024; no single temperature trigger |
| Colorado | Agricultural work | Heat rules currently scoped to agriculture, not construction |
How do you get heat-ready? Five moves.
The program CSHOs expect to see — buildable in a week, defensible all summer.
- 01Step 1 of 5
Write the heat plan for each site
Water, shade, rest cycles, emergency response, and who owns each. In state-plan states, match the state standard's required elements; federally, this is your General Duty Clause defense.
One plan per site, not per company - 02Step 2 of 5
Acclimatize new and returning workers
A ramped schedule for anyone new to the crew or returning from a week away — the single most-cited gap in heat fatalities investigations.
- 03Step 3 of 5
Train crews and supervisors on symptoms
Heat illness signs, buddy-system expectations, and the escalation path. Log every session — an unlogged toolbox talk doesn't exist at inspection time.
Tie to your toolbox talk cadence - 04Step 4 of 5
Monitor the heat index and adjust
Designate who checks forecast and on-site conditions, and what changes at each threshold: work-rest cycles, task scheduling, high-heat procedures.
- 05Step 5 of 5
Document that it all happened
Daily heat checklists, break logs, training records, plan acknowledgments. The program only counts if the records exist.
This is the NEP inspection file
- Written heat illness prevention plan for THIS site
- High-heat trigger and who calls it named in the plan
- Emergency response steps posted where crews muster
- Cool drinking water at the work area, not the trailer
- Shade or cooled break space within reach of the work
- Work-rest cycles defined for high-heat days
- New and returning workers on an acclimatization ramp
- Crews and supervisors trained on symptoms + escalation
- Buddy system assigned on heat-priority days
- Daily heat checklist completed at the work area
- Training and toolbox talks logged with attendance
- Heat-index monitoring and adjustments documented
Based on the revised Heat NEP inspection focus · verify state-specific requirements in the table above · salussafety.io/us/osha/heat-rule
Which records survive a heat inspection?
- Site heat illness prevention plan — the first document a CSHO requests on an NEP visit
- Acclimatization schedules for new/returning workers — the most-cited gap in heat enforcement cases
- Heat training and toolbox talk logs — proves crews and supervisors can recognize and escalate symptoms
- Daily heat checklists and work-rest adjustments — shows the plan operates on real jobsite days, not just on paper
Heat cases that become recordable land on the 300 log — that form has its own chapter: the complete OSHA 300 log guide — including a free Excel log that calculates 300A totals and creates the ITA upload row.
Common questions.
Is there a federal OSHA heat standard in 2026?
What is the OSHA Heat National Emphasis Program?
Which states have their own heat rules?
At what temperature does OSHA require protection from heat?
Do I need a written heat illness prevention plan?
This guide is educational information for construction teams, not legal advice. Regulations change and states differ — confirm requirements with the current 29 CFR text, your state plan, or counsel.
Turn the requirement into a talk the crew can run today.
The free Toolbox Talks library translates common construction hazards into short, bilingual meetings with discussion prompts, quizzes, printable PDFs, and sign-in guidance.
Be inspection-ready before the heat index is.
Water, shade, rest, acclimatization, training — the NEP checklist is knowable in advance. Rosie drafts the site heat plan from your program, queues the high-heat checklist for your approval when the forecast crosses the trigger, and flags the crews still on ramp. See it in a 15-minute demo.
Status tracker · updated on every regulatory event · not legal advice