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Tucson, AZ · Pima County

Water Risk Profile — ZIP 85717

Flood risk, local cost data, climate factors, and insurance context for your ZIP code.

Flood Risk

Medium

Cost Range

$1,200–$6,500

Avg Response

44 min

NFIP

State participates

Local Climate & Risk Factors

Tucson, Arizona's desert climate creates counterintuitive water damage risks. The summer monsoon season (June 15–September 30) delivers intense flash flooding events — caliche soil (hardpan calcium carbonate layer 6–30 inches below grade) prevents water absorption, channeling monsoon rainfall into streets and low-lying structures at volumes that overwhelm storm drains within minutes. AC condensate overflow is the #1 water damage claim type in Arizona — a 3-ton AC unit removes 5–8 gallons per day, and a clogged condensate drain floods ceiling assemblies within hours. Pool equipment plumbing (backwash lines, return lines) fails in Phoenix-area heat after 5–7 years of UV exposure. Standard HO-3 covers AC failures; monsoon flooding requires NFIP or private flood insurance.

Flood-prone areas: South Tucson and areas adjacent to the Santa Cruz River or mountain wash corridors are at highest risk

Insurance tip: Many Tucson homes have swamp coolers on roofs — improper draining causes slow roof leaks that go unnoticed until drywall is saturated

Water Category Cost Table — Tucson, AZ

Extraction & drying cost per square foot by IICRC water category

Water Category$/sq ft
Category 1 — Clean

Burst supply line, clean appliance overflow

$2.13–$5.7
Category 2 — Gray

Dishwasher, washing machine, toilet bowl (no feces)

$5.7–$6.9
Category 3 — Black

Sewage backup, floodwater, toilet overflow with feces

$8.1–$10.45

Estimates exclude reconstruction (drywall, flooring replacement). National benchmarks: Cat 1 $3.75–$4.25, Cat 2 $4.10–$6.50, Cat 3 $7–$7.50/sq ft — adjusted for Tucson market (2.59.5/sq ft range).

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