What is Category 1 water in restoration?
Category 1 water is sanitary water that originated from a clean source and does not pose a substantial risk from dermal, ingestion, or inhalation exposure. Examples include broken supply lines, water heater discharge, and rain intrusion through a roof. Per IICRC S500 §10.5.1.
Category: Water Damage
Reviewed: 2026-04-19
Source: IICRC S500 §10.5.1
RP
Ryan PennyIICRC WRT/ASD/AMRT/FSRT/OCT · MI Builder License #2101187907 · Family-owned restoration in West Michigan since 1981.
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