Annika Lenz, Noelle Tarazona and the 400 Free Relay all advanced to the consolations on Saturday.
The freshman records the best-ever finish for a Bruin diver at the NCAA Championships.
UCLA posted a pair of school records in relays, the 200 Freestyle and 400 Medley, on Thursday.
The three-day event runs from Thursday through Saturday in Greensboro, N.C.
Annika Lenz, along with teammate Maria Polaykova, qualified for next week's NCAA Championships.
Freshman Maria Polyakova posted UCLA's best finish at NCAA Zones since 2009 on Tuesday.
Maria Polyakova eclipsed the 300-mark twice, while Annika Lenz set a pair of season bests on Monday.
Lenz will take part in all three events, while Monahan and Polyakova will dive in the springboards.
A half dozen Bruin swimmers will take their talents to Greensboro, N.C. at the end of this month.
Katy Campbell, Annika Lenz and the 400 Freestyle Relay all set school records on the final day.
The Bruins posted their second and third school records thanks to Allison Wine and the 400 Medley.
Linnea Mack recorded the Bruins' best finish on Thursday, dead-heating for third in the 50 Free.