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Water Damage Category Checker

Category 1, 2, or 3? It decides what can be dried versus removed. Pick the source below for an instant, honest read — no form, no email.

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T By the Tucson Restoration Pros team  ·  Researched & reviewed for Tucson accuracy  ·  Last reviewed June 16, 2026

The IICRC S500 standard classifies water damage by how contaminated the water is, and that category drives the whole cleanup. Tap the option that best matches where your water came from:

Why it matters: Category 1 can often be dried in place if you act fast; Category 3 requires removal and sanitizing. All categories start the EPA’s 24–48 hour mold clock. See IICRC S500.
Preview panel for the water damage category checker tool explaining how Category 1, 2 and 3 losses are distinguished for Tucson, Arizona homes.
Water Damage Category Checker (Cat 1/2/3) — the points this guide covers, at a glance.

Not sure, or it’s spreading?

Tap to connect with a qualified local crew that will inspect and confirm the category on site — 24/7.

About this guide

This page is researched, written, and reviewed for local accuracy by the Tucson Restoration Pros team. It draws on primary and scientific sources — including the IICRC S500/S700 restoration standards, the U.S. EPA and CDC on mold, the WHO guidelines on dampness and mould, the NWS Tucson and University of Arizona CLIMAS monsoon research, FEMA, and the Pima County Regional Flood Control District. See how we research. Tucson Restoration Pros is a referral service that connects Tucson homeowners with independent, qualified restoration companies; we are not a licensed restoration contractor and do not perform the work ourselves.

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