Heat Illness Prevention

water keeps you going

California employers are required to take these four steps to prevent heat illness:

  1. Training
    Train all employees and supervisors about heat illness prevention.
  2. Water
    Provide enough fresh water so that each employee can drink at least 1 quart per hour, or four 8 ounce glasses, of water per hour, and encourage them to do so.
  3. Shade
    Provide access to shade and encourage employees to take a cool-down rest in the shade for at least 5 minutes. They should not wait until they feel sick to cool down.
  4. Planning
    Develop and implement written procedures for complying with the Cal/OSHA Heat Illness Prevention Standard.
Heat Illness Prevention - Water. Rest. Shade.

The HIP Network is a voluntary public/private partnership established to increase both employers' and employees' awareness of the hazard of heat illness and the importance of heat illness prevention measures to prevent fatalities and serious illnesses in California workplaces.

HIP Network members work together to help prevent heat illness in workplaces throughout California in partnership with the Division of Occupational Safety and Health (Cal/OSHA) by providing timely and essential information to employers and employees.

To join the HIP Network, email HIPNetwork@dir.ca.gov

Heat Illness Prevention Training – for Employers with Outdoor Workers

Date and Time City Address Registration Information
May 23, 2019 8:00 am – 10:00 am or
1:00 pm – 3:00 pm
Imperial Imperial Irrigation District
450 W. Aten Road
Imperial, CA

Call :  Daniel Vizcarra at 760-427-6302
May 29, 2019 7:30 am – 10:00 am Fontana California Steel Industries
Tech Center Café 1
California Steel Way
Fontana, CA

* For email registration, specify date, location, time and attendees' names.

Education, Training Resources and Publications


For Employers:

For Workers:

More CAL/OSHA Resources:

  • 99 Calor campaign page
    Contains materials available for download including Heat Illness Prevention videos and discussion guides in multiple languages.
    • Videos and guides available in English, Spanish, Punjabi, Hmong and Mixteco

Outreach and Education Campaign

Heat Illness Prevention Standard

Read the Heat Illness Prevention standard found in the California Code of Regulations, title 8:

Additional Heat Illness Links

May 2019