Storm guide · Verde Valley, Yavapai County, Arizona

Verde Valley flooding, November 2026: what to check in a home that took water

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By the Honest Mold Test Editorial Team · Researched from authoritative sources (incl. EPA and NWS guidance) · Published November 2026

Days of heavy rain over northern Arizona sent Wet Beaver Creek, West Clear Creek, Oak Creek and the Verde River out of their banks on Sunday, November 1. In Rimrock, the fire department reported several homes with 2 to 4 feet of water inside and about 19 evacuations, and law enforcement later estimated 150 to 200 homes flooded across Rimrock and Lake Montezuma (National Weather Service Flagstaff local storm reports, November 1). AZFamily reported more than a dozen homes flooded and destroyed in the Camp Verde area, crews pulling trapped residents from homes, and an American Red Cross shelter at the Camp Verde Town Gym (AZFamily, November 1). A Yavapai County spokesperson said nearly 20 homes had residents who needed emergency help to relocate (FireRescue1, November 2).

Camp Verde ordered immediate evacuations along the Verde River, West Clear Creek and Wet Beaver Creek, Sedona ordered residents in evacuation zones 8, 9 and 10 near Oak Creek to leave, and Clarkdale asked residents near the river to be ready to go (KTAR and The Arizona Republic via Yahoo News, November 1). On the morning of November 2 the National Weather Service still had flood warnings out for the Verde River in Yavapai and Gila counties and for Wet Beaver and Dry Beaver creeks, noting that structures were flooded. If creek or river water got into your house, mobile home, garage or apartment, this page is for you. You may not need to spend anything on mold. Here is how to tell.

The first 48 hours: what matters

EPA guidance is that wet building materials dried within 24 to 48 hours usually do not grow mold. Arizona's dry air helps once it can reach the wet material, but water trapped under flooring, inside walls, or beneath a mobile home's belly wrap can stay wet for days.

1. Wait until officials say it is safe to go back. Then photograph everything before you move it: water lines on walls, mud, damaged items, and where the water came from. Insurers and any later claims rely on it.
2. Get mud and standing water out. Shovel and hose out mud before it dries hard, then open windows and run fans. Rent or borrow a dehumidifier if you can close the house up.
3. Treat creek and river water as dirty water. Restoration standards treat floodwater from outside as contaminated, so carpet, pad, mattresses and upholstered furniture it soaked usually go. Hard surfaces can be washed and dried.
4. Check the bottom of the walls. Drywall that took water and stays soft or stained after two days usually comes out a foot or so above the water line. Insulation behind it is often wet too.
5. Mobile and manufactured homes: look under the home. Wet insulation and a sagging belly wrap hold water against the floor and need to be opened and dried or replaced.
6. Check what sits low. Water heaters, furnaces, evaporative cooler lines, washer and dryer, and outlets near the floor. If flood water reached them, have them checked before you use them.
7. Wells and septic. EPA advises testing a private well that floodwater reached before drinking from it. A flooded septic drain field may back up, so go easy on water use until the ground drains.

Do you need a mold test?

Often, no. If you can see mold, EPA says sampling is usually unnecessary: the job is to remove the wet material and fix the moisture. A test earns its cost when you smell mustiness but cannot find the source, when you are buying or selling, or when a landlord or insurer disputes what happened. Our cost guide lays out honest price ranges.

For a small area (EPA uses roughly 10 square feet as the line), most homeowners can handle cleanup themselves with gloves, an N95 and bagging the material. Arizona does not have a mold-specific license, but repair work such as replacing drywall, flooring or electrical generally needs a contractor licensed with the Arizona Registrar of Contractors (roc.az.gov). An inexpensive moisture meter will tell you more than a mold test in the first few weeks.

Insurance: what usually applies

• Most homeowners and renters policies exclude flood, and that includes creek, river and mud water that flowed in from outside. Flood coverage comes from a separate flood policy (NFIP or private).
• Water that came through a damaged roof or window during the storm can be handled differently from water that flowed in at ground level. Read the exact policy language or ask your agent.
• If you have flood insurance, report the damage now and keep the photos and receipts for cleanup supplies and drying equipment.
• New NFIP policies usually have a 30-day waiting period, so a policy bought now would not cover this event.
• As of November 2, there is no federal disaster declaration for this flooding. Watch Yavapai County Emergency Management and the Town of Camp Verde for local assistance.

Is it urgent, or can you slow down? An honest triage

Renters: an Arizona note

Under the Arizona Residential Landlord and Tenant Act (A.R.S. section 33-1324), a landlord must make the repairs needed to keep the premises fit and habitable. Report water damage to your landlord in writing and keep a copy. See our renters guide.

A note on storm-chasing contractors

After flooding, door-knockers follow. Be wary of anyone who wants a large deposit up front, asks you to sign over insurance payments, pressures you to decide today, or will not give a written estimate. Get more than one quote, and check the contractor's license at roc.az.gov.

Frequently asked

The water only covered my garage floor. Do I need to do anything?
Probably not much. Bare concrete dries on its own. Check the bottom of any drywall, stored boxes, and anything that sat on the floor.

Will bleach fix it?
Not on drywall or wood. Porous material with mold growth should be removed. Bleach is for hard, non-porous surfaces, and never mixed with ammonia.

The mud dried hard. Is it too late?
No. Break it up, remove it, and then check what is underneath. Flooring and the bottom of walls under dried mud can still be wet.