CYPRESS (CBSLA.com) — Crews worked to clean up an oil leak Thursday that appeared along a busy street in Cypress.

Around 9:30 a.m. on Wednesday, 10 to 15 gallons of petroleum oil began to seep up from the ground located on Cerritos Avenue near Valley View Street, according to the Orange County Fire Authority.

READ MORE: How To Watch The 2021 Primetime Emmy Awards

Firefighters explained two underground pipes — belonging to Chevron and Plains All American Pipeline — are located near where the leak occurred.

Investigators are currently working to determine which pipe the oil is leaking from.

READ MORE: Man Struck Multiple Times In Daylight Shooting In Riverside

At this time, the eastbound lanes of Cerritos Avenue from Valley View to Holder streets remain closed until further notice.

It remains unclear when officials plan to reopen the area.

MORE NEWS: Emmys Vow A Good Time After Bleak Year; 'Crown' May Rule

No evacuations or injuries were reported.