Flood Cleanup and Water Damage Help in Gallup, New Mexico

Gallup sits in the valley of the Puerco River at about 6,650 feet, twenty miles from the Arizona line. For most of the year the Puerco is a dry, braided wash, which makes it easy to forget that it can run hard. It peaked at roughly 17,800 cubic feet per second in a September 1971 flood, and in July 2026 heavy storms left enough damage that the City of Gallup opened an online portal for residents to report harm to their homes while street crews cleared clogged drainage across town. The city only averages about 10.7 inches of precipitation a year, but much of it comes in summer thunderstorms that drop a lot of water in very little time.

Calling (888) 317-9980, a free line from The Restoration Job that is staffed at all hours, connects you with an independent, third-party restoration provider that works in Gallup and the surrounding part of McKinley County. We don't do the restoration work ourselves; the provider you speak with inspects the damage, explains the job and sets its own schedule, and many providers in the region often offer emergency service.

The Puerco River and the Washes That Cross Town

The Puerco drains a basin of more than 2,600 square miles, and the South Fork joins it near Gallup. Like the smaller arroyos feeding it, the river channel spends long stretches nearly empty and then fills within an hour when a storm parks over the mesas. Runoff that can't reach a wash runs down streets and driveways instead, and houses that sit below a slope, or that have a garage door facing uphill, tend to take water first.

The July 2026 event showed how much of the problem is drainage rather than the river itself. Sediment and debris clog inlets and culverts, water backs up into yards, and it finds its way under doors, through foundation vents and into crawl spaces. After that kind of event, mud left inside a house carries whatever the runoff picked up, so treat it as contaminated: wear gloves and boots, keep children and pets out, and expect porous items like carpet pad to be discarded. A provider handling flood cleanup will usually remove mud and wet materials, then dry and sanitize what remains.

What the Monsoon Months Bring to McKinley County

August is Gallup's wettest month at close to two inches on average, with July and September not far behind. The National Weather Service in Albuquerque notes that hail combined with flash flooding becomes a threat across western New Mexico from June through September, and the county's federal disaster history follows that pattern: flood declarations covering McKinley County in 2006, 2010 and 2013 all began between late July and mid-September.

Hail and wind often do their damage before the heavy rain arrives. A cracked skylight, lifted flashing or a split membrane on a flat commercial roof may not leak until the next storm, which during the monsoon can be a day or two later. Walk the property after a hailstorm, look in the attic or above drop ceilings for wet insulation, and photograph what you find for your insurer.

Old Route 66 Buildings and the Downtown Historic District

Gallup was founded in 1881 as a railhead, and Route 66 still runs through downtown. The Gallup Commercial Historic District was added to the National Register in 2016, and nearby landmarks include the 1920 Chief Theater, the El Morro Theater and the El Rancho Hotel. Older commercial buildings like these often have roofs that have been patched for decades, masonry that wicks moisture, and plumbing replaced piece by piece.

For shops and offices downtown, a leak from an upstairs unit or a failed roof drain can spread across several tenants before anyone notices. Document stock and fixtures before anything is moved, tell the building owner right away, and ask the provider about water extraction and staged drying so part of the space can reopen sooner.

Thirty Below and the Thaw That Follows

Gallup has recorded a low of 34 below zero and averages more than 33 inches of snow a year, with a December 1992 record of over 29 inches in one month. Hard freezes split supply lines in exterior walls, crawl spaces, mobile home underbellies and unheated garages. The break usually stays quiet until the pipe thaws, and then water runs until someone shuts it off.

• Know where your main shutoff is before winter, and keep the area clear.
• Shut the main and open a low faucet as soon as you see water.
• Turn off power to any wet area if you can do it safely.
• Have moisture checked inside walls and under floors, not only where water pooled.

Keeping Mold From Following a Summer Storm

The high desert air dries surfaces fast, which can hide water that stays trapped inside walls, under vinyl flooring and in crawl-space insulation. Monsoon humidity and warm July nights give mold a window in those hidden spaces. Musty odors, bubbling paint and dark spots near baseboards are the usual signs. Professional mold remediation generally means containing the affected area, removing porous materials that can't be cleaned, treating what remains and confirming the structure is dry before rebuilding.