The fire department said on Twitter that crews responded to College Avenue near Weldon Avenue, at the northwest corner of the campus.
Fresno Fire is on scene of a hazmat incident in the area of N. College/E. Weldon. Reports of a chlorine leak with one patient. All potential buildings have been isolated. Currently no larger impact on this incident pic.twitter.com/UhcOXb15tc
— Fresno Fire PIO (@FresnoFire) May 19, 2022
Crews determined water leaking from a pipe mixed with some hydrochloric acid, creating a vapor and forcing an evacuation of the college's gyms and pool area.
Officials were now working to fix the leak.
Officials said they were treating one person. The extent of their injuries wasn't immediately known.