Mt San Jacinto Community College District
Class confirmed
WATR520
Fall 2026 · 1 section
You found WATR 520.
Wastewater Treatment Plant Operations I & II (formerly WATR-120)
Harbor turns your WATR 520 notes into a readiness map so you can see what looks solid, shaky, or missing.
Built from this class—not a generic study guide.
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