Parts of the Southwest’s Four Corners region remained under a flood warning on Monday, October 26, 2026, as saturated neighborhoods began cleaning up flood damage and watching out for water that could be contaminated with chemicals and raw sewage.
Flooding driven by excessive rainfall hit the San Juan River across Utah, Colorado, Arizona, and New Mexico. The region experienced unusually heavy rain starting Wednesday, causing rivers to surge, flooding homes, and forcing water rescues.
In Plain English: The Clinical Takeaway
- Contamination Risks: Floodwaters frequently mix with raw sewage and industrial chemicals, creating significant biological and toxicological hazards upon skin contact or ingestion.
San Juan River Crests and Evacuations Across Utah and Colorado
By Monday morning, the National Weather Service reported that the San Juan River sat 1 1/2 feet above the 23-foot flood stage. Forecasters expected it to crest at 31 feet later on Monday before falling below flood stage by Tuesday morning. This high-water event approaches historical thresholds, comparing to September 10, 1927, when the river crested at 32 feet.
Some residents in Bluff, Utah, evacuated over the weekend but received clearance to return early Monday. County officials cautioned returning residents and businesses that several properties remained flooded. The National Weather Service issued a blunt warning: “Stay out of the San Juan River,” noting that elevated water levels and possible sewage contamination pose additional health risks.
Further south, wastewater facilities and water holding ponds in the Shiprock area of the Navajo Nation sustained flood damage, resulting in sewage releases directly into the San Juan River.
Record flooding in the Four Corners: the San Juan River hit 14.1 ft at Farmington, NM, topping a 1909 record of 12.3 ft, per the National Weather Service. About 1,500 homes were evacuated, officials say the water is contaminated with sewage, and more rain is forecast.
Farmington Residents Face Power Outages and Infrastructure Hazards
In the Farmington area of New Mexico, swollen rivers began receding by Monday, but many residents remained evacuated while hundreds endured power outages.
New Mexico’s congressional delegation urged President Donald Trump to issue an emergency declaration to release federal assistance funding.
County officials warned that hazards extended beyond standing water. San Juan County Fire & Rescue Chief David Vega told a Sunday news conference that gas and propane lines could be compromised alongside chemical and sewage contamination. Undersheriff Cory Tanner stated that crews were conducting door-to-door hazard checks, a systematic process expected to take days.
In Bloomfield, New Mexico, residents Zach and Abigail Flatt received evacuation alerts on their phones Thursday evening as the river rose four feet in roughly thirty to forty minutes. By the time they loaded their children, ages 2 and 4, into their vehicle, water was washing over the tires. They monitored via webcams as at least 18 inches of water inundated their property, washing away 22 of their 24 chickens.
Santa Fe Tornado Impacts and Fatalities
Severe weather also triggered a tornado that touched down in central Santa Fe, New Mexico, on Saturday night, damaging homes, including structures with partially collapsed roofs. Amid the storms, the county sheriff’s office reported one flooding-related death on Saturday during a water rescue.
A family attempted to cross a flooded arroyo in their vehicle when the current swept them away. While a father and child managed to reach safety on land, the female passenger was swept away and found dead a mile downstream.
State and regional officials continue mapping road closures and evacuation zones as tropical moisture streaming ashore from the Pacific drives persistent heavy rain. Forecasters attributed the unseasonal precipitation patterns to El Niño, the temporary warming phase of Pacific Ocean temperatures that follows months of regional drought.
Residents Must Avoid Contact with Standing Water
Residents returning to flood-affected zones must avoid direct contact with standing water whenever possible.
References
- Associated Press. Reporting on Four Corners region flooding, evacuations, and weather impacts in Santa Fe.
