Important Updates:

Nulla vestibulum viverra odio a facilisis. Fusce non faucibus mauris. Morbi malesuada scelerisque nulla. Curabitur hendrerit tempus posuere. Donec nec. More...


Reporting Hazards

Press Enter to show all options, press Tab go to next option

In the event of an emergency, call 911.

If you believe a hazard poses an imminent threat to life, property or the environment, call 911.

If you think there may be a fire in your home or business (you smell smoke, a wall is warm/hot for no apparent reason, etc.), call 911.

If you would like to report a hazard that is not an emergency and does NOT pose an imminent threat to life, property or the environment, you can:

Call us at 925-454-2361. If you leave a message, we will get back to you as soon as possible.


Email us at

Hazardous Materials Spill Reporting

A variety of laws address reporting of the unauthorized release of solid, liquid, or gaseous hazardous materials.

There are penalties for failing to make a required report. BUT, there are NO penalties for reporting a non-reportable release. When in doubt – report.

In general, requirements fall into three categories. One release may fall into more than one category:

Criteria Comment Who to Call
A release or threatened release poses an imminent threat to life safety, property and/or the environment Emergency Response Needed 911
When there is a reasonable belief that the release poses a significant hazard to human health & safety, property, or environment.

Health and Safety Code Section 25510:
911 response may or may NOT be appropriate any specific situation.

Written follow up reports are required within 7 days if the release equals or exceeds the Federal Reportable Quantities. See below for links to lists of Federal Reportable Quantities

State OES at (800) 852-7550

Livermore-Pleasanton Fire Department at (925) 454-2362.
Leave a message if outside business hours.

When threshold quantities specified in other law(s) are exceeded. Detailed matrix of reporting requirements Varies depending upon situation


US EPA reporting requirements, including lists of Reportable Quantities

Reportable Quantities for Extremely Hazardous Substances - Listed by Name (scroll down document for list)

Reportable Quantities for Extremely Hazardous Substances - Listed by by CAS number (scroll down document for list)

Reportable Quantities for Other Listed Substances (scroll down document for list)

Free viewers are required for some of the attached documents.
They can be downloaded by clicking on the icons below.

Acrobat Reader Download Acrobat Reader Flash Player Download Flash Player Windows Media Player Download Windows Media Player Microsoft Silverlight Download Microsoft Silverlight Word Viewer Download Word Viewer Excel Viewer Download Excel Viewer PowerPoint Viewer Download PowerPoint Viewer