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OC toxic tank on path to spill or explode; crews find crack in tank that could be relieving pressure

Last updated: Sunday, May 24, 2026 11:31PM GMT
Leak or explosion? OC remains on edge over chemical tank crisis

GARDEN GROVE, Calif. (KABC) -- Authorities are urgently trying to stop a pressurized tank filled with a toxic chemical at the GKN Aerospace facility from exploding in Garden Grove.

The "crisis situation" has forced 50,000 people out of their homes in Orange County.

In a Sunday afternoon update, Orange County Fire Authority Interim Chief TJ McGovern said firefighters did "a recon mission on the tank" late Saturday night, during which they were able to visually inspect it.

"What they found was a potential crack in the tank, which could potentially be relieving some of the pressure in there," McGovern said, adding that they were now "vetting and validating" the new information, which "could change our trajectory and our strategy to this event."

The OCFA said in a subsequent update that any areas outside of the evacuation zone "are currently considered completely safe and day-to-day activities can continue as normal."

So far, no injuries have been reported.

It was unclear what initially caused the material in the tank to overheat.

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May 24, 2026, 4:28 AM

Map shows evacuation order impacting 50,000 Orange County residents

The evacuation zone for a "crisis situation" in Garden Grove spans several blocks. Authorities say 50,000 residents are impacted. They are urging everyone in the zone to leave for their safety immediately.

The evacuation zone covers the area north of Trask Avenue, south of Ball Road, east of Valley View Street and west of Dale Street.

Small portions of West Anaheim, Cypress and Buena Park are also included in the evacuation zone, as well as the city of Stanton.

The Garden Grove Police Department said they did reverse 911 calls and went door to door, urging people to leave. They said as of Friday afternoon, there was about a 15% refusal rate.

A public information hotline was established at 714-628-7085. Another 24-hour call center is available at 714-741-5444.

City News Service contributed to this report.

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May 23, 2026, 2:04 AM GMT

OCFA asks public to refrain from calling with suggestions on chemical tank leak

The Orange County Fire Authority is asking the public to refrain from calling with suggestions on how to handle the chemical tank leak.

"At this time, we ask the public to refrain from calling to offer suggestions so emergency personnel can keep communication lines focused on incident operations and public safety needs. Thank you for your understanding and cooperation," OCFA said in a post on X.

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May 23, 2026, 1:57 AM GMT

Anaheim UHSD high school reschedules graduation due to chemical tank crisis

Seniors at Kennedy High School in the Anaheim Union High School District missed their graduation ceremony on Friday due to a chemical tank crisis happening at an aerospace facility in Garden Grove.

The district announced the Kennedy High School graduation, which was scheduled for 2 p.m., would be canceled due to the evacuation orders and emergency response happening in Orange County.

Kennedy High School and Handel Stadium are not located within the evacuation zone, but authorities said the decision was made "out of an abundance of caution and in the best interest of the safety and well-being of our students, families, staff, and community."

Small portions of West Anaheim and Cypress are included in the evacuation zone impacting 40,000 Orange County residents.

In a later announcement, the district announced the graduation ceremony was rescheduled for Tuesday, May 26, at 6 p.m. at the Anaheim Convention Center.

The district said further details regarding guest entry, parking and more will be shared by Kennedy High School.

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May 23, 2026, 1:42 AM GMT

Vote center in Garden Grove closes, some drop boxes unavailable

The County of Orange Registrar of Voters says the voting center at the Garden Grove Sports and Recreation Center will not be operating Saturday, until further notice. The facility is serving as a care and shelter site for displaced residents.

"This emergency will not prevent residents from voting," county Supervisor Katrina Foley said in a statement. "The County of Orange Registrar of Voters moved quickly to protect voters, election workers, and displaced families while keeping voting access open. If you evacuated without your ballot, go to any Vote Center, request a replacement ballot, and cast your vote safely. Public safety comes first, and voter access continues."

The city also announced ballot drop boxes in the evacuation area remain unavailable. Those drop boxes include: Stanton Branch Library, Korean Martyrs Catholic Center and Chapman Sports Park.

Voters displaced by the evacuation may visit any vote center in Orange County to cast their ballot, the county said. Voters who evacuated without their ballot may request a replacement ballot at any vote center.

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May 23, 2026, 1:36 AM GMT

Small portions of West Anaheim, Cypress included in evacuation zone

Small portions of West Anaheim and Cypress are included in the evacuation zone as crews work toward a solution for a chemical tank in crisis at GKN Aerospace in Garden Grove.

The evacuation zone covers the area north of Trask Avenue, south of Ball Road, east of Valley View Street and west of Dale Street. Approximately 40,000 residents live in the area, according to authorities.

A small part of West Anaheim overlaps in the area of the zone south of Ball Road between Dale Avenue and Fremont Street. A small portion of Cypress is also included in the zone just west of the impacted Anaheim area.

"Firefighters are actively working to cool an overheated tank and are clearing neighborhoods in the extended vicinity as a precaution," the city of Anaheim wrote in a post on social media.

Evacuation centers were established at the Garden Grove Sports and Recreation Center at 13641 Deodara Dr. in Garden Grove and the Cypress Recreation and Community Center at 5700 Orange Ave. in Cypress.

An Anaheim care and reception area was established at Savanna High School, located at 301. N. Gilbert Street.