To contact Hyperion call the El Segundo Hyperion 24-hour reporting hotline 310-318-8232 or the Hyperion 24-hour customer care center call 1-800-773-2489.

The El Segundo 24-hour reporting hotline is available 24 hours a day, seven days a week to report concerns, issues and complaints about work at Hyperion.

When you call the hotline be prepared to leave your name, address, phone number so that a Hyperion representative can return your call with a resolution. 

When calls come into the hotline, plant staff is immediately notified, informed of the issue or complaint and field staff are dispatched to investigate. All calls are logged, tracked with date and time of communications, the name of the investigator, wind speed and direction, humidity, and the locations investigated, the findings and resolution.

Callers who request a return call are notified within 30 to 90 minutes of their call.

Hyperion has installed fence-line air quality monitors for hydrogen sulfide (H2S) emissions, the results of which are shared in real time on their air quality monitoring website. You can also sign-up to receive email notifications from Hyperion's air monitoring website by clicking here.

To subscribe to the Hyperion Huddle e-newsletter and receive information on upcoming meetings, please email LASAN.Cleanwater.Outreach@lacity.org.

For the latest information please visit, "Hyperion - What You Need to Know" on the City's website. 

To report excessive odors, smoke, dust, or other air contaminants call 1-800-288-7664.  (1-800-CUT SMOG) 

For current air quality maps and forecast, visit the South Coast Air Quality Management District (AQMD) website at www.aqmd.gov/home/air-quality.

Current Air Quality Index (AQI) Map 

Sign up for email air alerts from AQMD here. 

Sign up for air quality advisories from Los Angeles County Department of Public Health here. 

Chevron El Segundo has a 24-hour community hotline to address community concerns.  

Hotline: 310-615-5342 or complete the contact form on their website.

Subscribe to the email distribution list to stay informed about projects and events by contacting esinfo@chevron.com. Please indicate if you would like to be added to the El Segundo list.

The Chevron El Segundo refinery fenceline monitoring system measures 17 chemical compounds and is composed of 18 measurement locations around the refinery’s fenceline. To serve the communities of El Segundo and Manhattan Beach, this website provides the public with near-real time concentrations and historical trends of these compounds. This fenceline monitoring program aims to increase public awareness and understanding of these compounds as they relate to refinery operations. Visit the website here. 

Scattergood Generating Station has an information hotline: 310-524-8609

Green Hydrogen-Ready Modernization Project page

If you have any questions specific to El Segundo or you are an El Segundo resident and would like to be added to their email list, please reach out to Deborah Hong at Deborah.Hong@ladwp.com or email Scattergood@ladwp.com. 

For more information visit their contact us page. 

For Gas Emergencies or Safety Issues

Emergencies: 911
Gas Emergencies / Safety Issues: 1-800-427-2200 (Questions about gas odor or carbon monoxide)

For a complete list of numbers visit the SoCalGas contact page.