What does Colorado's heat illness prevention regulation require?

Colorado's heat illness prevention regulation (7 CCR 1103-15-3) requires employers to provide water, shade, and rest; implement acclimatization procedures; train employees annually on heat illness prevention; and document compliance. Annual training must be completed before April 20th each year. Employers must provide a Notice of Rights to each worker and obtain a signed acknowledgment.

When is the Colorado heat illness prevention training deadline?

Under 7 CCR 1103-15-3, Colorado employers must complete annual heat illness prevention training for all covered employees by April 20th each year — before the primary heat season begins. Training must be documented and records maintained. Late or undocumented training is a compliance violation.

Does Colorado require a Notice of Rights for heat illness prevention?

Yes. Colorado's heat illness prevention rule requires employers to provide each covered worker with a Notice of Rights and obtain a signed acknowledgment per employee. This per-worker documentation requirement applies each year and must be maintained as part of the employer's compliance records.

What are the acclimatization requirements for agricultural workers in Colorado?

Colorado's regulation includes specific acclimatization provisions for seasonal agricultural workers, who are particularly vulnerable during their first days in heat. Employers must implement a structured acclimatization schedule, monitor new workers closely, and document the acclimatization process for each individual worker throughout the adjustment period.

COLORADO 7 CCR 1103 15-3 · AGRICULTURAL HEAT SAFETY

Colorado Has a Hard Deadline for Heat Safety Training. HeatShield Keeps You Ahead of It.

Colorado's heat illness prevention regulation requires documented annual training by April 20th, a Notice of Rights for every worker, and automated monitoring when temperatures reach 80°F. HeatShield handles all three — automatically, in the language your crew works in.

Aligned with 7 CCR 1103 15-3

April 20th training deadline — trackable and documented

Digital Notice of Rights distribution and acknowledgment logging

Automated 80°F and 95°F threshold monitoring

Start Your Free 7-Day Trial Try free for 7 days. Only pay if you stay.

HeatShield monitoring dashboard showing Colorado heat compliance records

WHAT COLORADO REQUIRES

A Hard Deadline. Specific Documentation. Real Enforcement.

Colorado's heat illness prevention regulation under 7 CCR 1103 15-3 applies to agricultural employers and outdoor operations where temperatures at or above 80°F are expected. Unlike general OSHA guidelines, Colorado's rule has a specific annual compliance trigger that creates a fixed window for action.

The April 20th Training Deadline

Annual heat illness prevention training must be completed for all agricultural employees by April 20th of each year if temperatures at or above 80°F are expected during the season. This is a hard calendar deadline — not a rolling requirement tied to when heat actually arrives. If it's April 21st and your training isn't documented, you're out of compliance before the first hot day.

Documented annual training — completed and on record for every employee before the April 20th deadline
First-language training — training must be provided in the language each employee understands
Supervisor training — supervisors must be trained on emergency response procedures specific to heat illness

Notice of Rights

Colorado requires employers to provide every worker with a documented "Notice of Rights" regarding heat illness — their right to water, shade, rest, and medical attention. Employers must maintain documented proof that every worker received and acknowledged this notice.

Written Notice of Rights provided to all workers
Documented proof of receipt — per worker, with acknowledgment
First-language delivery required

Active Season Monitoring Requirements

Once temperatures reach or exceed 80°F, additional requirements apply:

80°F threshold — heat illness prevention procedures must be active; water, shade, and rest access documented
95°F+ high-heat — mandatory 10-minute rest periods after every 2 hours of continuous work; supervisor must directly observe workers and initiate documented check-ins

Plain-language overview only. Not legal advice. Consult qualified legal counsel for program-specific guidance.

THE HEATSHIELD SOLUTION

Every Colorado Requirement. Mapped to a HeatShield Feature.

Colorado Requirement	How HeatShield Handles It
Annual training by April 20th	Built-in heat illness prevention training course — assigned, completed, and documented per worker. Completion records timestamped and exportable before the deadline.
English & Spanish Training	Language selector in the Learning Portal allows English and Spanish speakers to complete the course. Completion logged per worker.
Notice of Rights — documented receipt per worker	Digital Notice of Rights delivered through the platform. Worker acknowledgment captured and stored per worker with timestamp.
80°F monitoring threshold	Automated supervisor alert fires at exactly 80°F — the 7 CCR 1103-15-3 threshold — with timestamped documentation
95°F+ high-heat monitoring	Escalated alert fires at exactly 95°F — the 7 CCR 1103-15-3 increased risk threshold — with push notification and alert email to supervisor, plus high-heat procedure activation
Supervisor check-in documentation	Digital check-in logs with timestamps — documented and stored per session.
Per-worker acclimatization tracking	Worker-level acclimatization status tracked automatically. Conservative WBGT thresholds applied site-wide when unacclimatized workers are present.
Weekly supervisory oversight record	Weekly acclimatization review email to supervisors. Confirmation logged with supervisor ID, sites, confirmed timestamp, and full worker status snapshot.
Records available for inspection	PDF and CSV export — Compliance Packets organize documentation into inspection-ready monthly reports (Pro).

THE APRIL 20TH DEADLINE

April 20th Doesn't Move. Your Training Documentation Needs to Be Ready Before It Arrives.

Most compliance failures in Colorado aren't from employers who ignored heat safety. They're from employers who intended to handle it but ran out of time. The April 20th deadline is fixed — it doesn't adjust for late spring weather, busy season scheduling, or crew turnover. If a new hire joins your operation on April 15th, they need documented, first-language training on record before April 20th.

HeatShield makes that achievable. Workers complete training via a text message link — no app download, no login, no classroom scheduling required. Completion is logged automatically with a timestamp. A new hire can be trained and documented in under an hour, in their primary language, from any smartphone.

"Training must be completed and documented for every agricultural employee by April 20th."

HeatShield setup takes 15 minutes.

Start your trial before the deadline →

NOTICE OF RIGHTS

Training Isn't Enough. Colorado Requires Documented Proof Every Worker Received Their Notice of Rights.

Colorado's regulation requires employers to provide every worker with a Notice of Rights — written documentation of their right to water, shade, rest, and medical attention in heat conditions. This isn't a one-time policy posting. It's a per-worker documented acknowledgment requirement, and it needs to be in the worker's primary language.

HeatShield delivers the Notice of Rights digitally through the platform. Workers receive it, acknowledge it, and that acknowledgment is captured with a timestamp — stored per worker and exportable for inspection. No paper forms, no manual logging, no gaps in your documentation when a new hire joins mid-season.

Notice of Rights — What HeatShield Logs

Digital Notice of Rights — delivered through the platform
Per-worker acknowledgment — captured with timestamp
First-language delivery
Stored and exportable — available for inspection on demand

ACCLIMATIZATION FOR SEASONAL CREWS

Your Returning Seasonal Workers Aren't Acclimatized on Day One. HeatShield Knows That.

Agricultural operations face an acclimatization challenge that most other industries don't — an entire crew that was off for months returning to full-intensity outdoor work at the start of heat season. A worker who spent the winter indoors is physiologically unacclimatized to heat stress, even if they worked the same fields last year.

HeatShield tracks acclimatization per worker, not just per site. When seasonal workers are onboarded at the start of the season, admins mark them for acclimatization tracking. The system handles everything from there:

ACCLIMATIZATION PROGRESSION

Days 1–4

Unacclimatized — Conservative WBGT thresholds apply to any site where this worker is active. Alerts fire earlier.

Days 5–10

In Progress — Moderate threshold adjustment active. System continues monitoring automatically.

Day 11+

Acclimatized — Standard thresholds apply. No further adjustment required.

If a worker is absent for 4 or more consecutive days, their status resets automatically — relevant for operations with rotating crews or workers who move between sites.

Every Monday, supervisors receive an acclimatization review email summarizing their crew's status. When they confirm it, HeatShield logs a timestamped compliance record — supervisor ID, sites, full worker status snapshot, and token verification. That's documented supervisory oversight of acclimatization, exactly what Colorado's regulation expects.

Weekly review records are logged automatically — no manual entry, no spreadsheet management. The confirmation timestamp, supervisor identity, and full worker status snapshot are stored and exportable for inspection.

YOUR COMPLIANCE RECORD

If an Inspector Asks, You'll Have the Answer.

Monitoring Activation

Job site, supervisor name, start time, and monitoring interval logged at activation.

Condition Checks

Temperature, humidity, workload, clothing, radiant heat, and acclimatization status recorded at every scheduled interval — including 80°F and 95°F Colorado threshold crossings.

Risk Level Transitions

Every threshold crossing timestamped automatically.

Supervisor Alerts

Delivery timestamp and acknowledgment status for every alert issued.

Notice of Rights Acknowledgment

Per-worker, timestamped, language noted — stored and exportable.

Per-Worker Acclimatization Status

Each worker's acclimatization status, active day count, and site threshold adjustment applied — logged at every monitoring session.

Weekly Supervisor Acclimatization Review

Confirmed every Monday. Logged with supervisor ID, sites covered, confirmed timestamp, and a full snapshot of every worker's status at confirmation.

Training Certificates

Completion records and certificates stored per worker, timestamped, with language noted — exportable before the April 20th deadline.

Worker Training Acknowledgments

Workers acknowledge the disclosure document before beginning training. Captured and stored per worker.

All records exportable as PDF or CSV. Compliance Packets (Pro) organize your documentation into inspection-ready monthly reports.

BUILT FOR COLORADO'S OUTDOOR WORKFORCE

If Your Crews Work Outside in Colorado Heat, This Is for You.

Agriculture & Farm Labor

Colorado's heat regulation was written for agricultural employers. HeatShield maps directly to it — April 20th training documentation, Notice of Rights logging, first-language delivery, and per-worker acclimatization tracking for seasonal crews returning after winter. Built for how agricultural operations actually run.

Construction

General contractors and subcontractors operating in Colorado's Front Range and mountain corridor face federal OSHA heat guidelines and Colorado's active regulatory environment. HeatShield monitors conditions, documents supervisor check-ins, and maintains training records across every active site.

Landscaping & Grounds

Landscaping crews work across multiple locations daily in peak Colorado heat. HeatShield's Site Groups feature monitors all locations simultaneously and maintains a unified compliance record — including acclimatization tracking for new seasonal hires — across your entire operation.

Training & Certification

Colorado Requires Documented Training by April 20th. We Handle That Too.

7 CCR 1103-15-3 requires both supervisors and employees to complete annual heat illness prevention training before the April 20th deadline — and that training must be documented. HeatShield includes a built-in LMS with a Colorado-aligned heat illness prevention course — tracked, certified, and stored so you're ready for an inspection before the season starts.

✓ Heat illness prevention training for supervisors and workers
✓ Certificates of completion issued and stored per employee
✓ Training history exportable as part of your compliance packet
✓ Works on any smartphone — no app install required
✓ Training available in English and Spanish

COMMON QUESTIONS

What Colorado Employers Ask Before Starting a Trial

Does HeatShield document training completion before the April 20th deadline?

Yes. HeatShield assigns training to workers, tracks completion per worker, and stores a timestamped certificate of completion for each one. You can export a full training completion report at any time — organized by worker, date completed, and language — and have it ready well before April 20th.

Our crew speaks Spanish. Does HeatShield support first-language training?

Yes. The training platform includes a language selector so workers complete the course in their primary language. The worker's language preference is noted in the completion record, and the Notice of Rights is also delivered in the worker's primary language with per-worker acknowledgment logged.

Does HeatShield handle the Notice of Rights requirement specifically?

Yes. HeatShield delivers the Notice of Rights digitally through the platform. Workers receive and acknowledge it before beginning training. That acknowledgment is captured with a timestamp, stored per worker, and exportable for inspection.

We have seasonal workers who come back every year. How does acclimatization tracking work for returning crews?

When seasonal workers are onboarded, admins mark them for acclimatization tracking with a single toggle. The system automatically tracks their acclimatization status from Unacclimatized to Acclimatized over 11 active working days, applying conservative WBGT thresholds while they're in the early stages. If a worker was absent for 4 or more days, their status resets automatically when they return — relevant for crews that rotate or take time between seasons.

We have multiple farm locations. Can HeatShield monitor all of them?

Yes. All plans include unlimited job sites. Site Groups allow you to cluster locations and monitor them simultaneously, reducing alert fatigue while maintaining individual site documentation for each location. Acclimatization tracking follows each worker across whichever site they're assigned to on a given day.

How quickly can we be set up before the April 20th deadline?

Most operations have their first job site live within 15 minutes of signing up. Training can be assigned to workers immediately and completed on any smartphone via a text message link — no app download required. A new hire can be fully trained and documented in under an hour.

PRICING

Less Than the Cost of One Missed Deadline.

Both plans include automated monitoring, per-worker acclimatization tracking, Notice of Rights logging, April 20th training documentation, and weekly supervisor review records — everything Colorado employers need to demonstrate a compliant heat illness prevention program.

Core

Training documentation and monitoring for small crews

$ 39 /month

Billed annually · $468/yr

Unlimited job sites
Automated WBGT monitoring & risk transitions
80°F and 95°F Colorado threshold alerts
Per-worker acclimatization tracking — automated progression
Weekly supervisor acclimatization review — logged compliance record
Digital Notice of Rights — per-worker acknowledgment logged
First-language training support
April 20th training deadline documentation
Supervisor notifications & escalation
12-month data retention
PDF export
10 training seats included
Standard support

Start Free Trial →

Try free for 7 days. Only pay if you stay.

Pro

Extended records, reporting, and training

$ 59 /month

Billed annually · $708/yr

Everything in Core, plus:
Compliance Packet Downloads — monthly inspection-ready reports including acclimatization history, Notice of Rights log, and weekly review records
Incident reporting
Job site templates
36-month data retention
CSV export
20 training seats included
Priority support