Four New Mexico communities cleared to return after dam scare; Rincon stays evacuated

Families in four New Mexico communities received permission to go home late Tuesday after hours of warnings that a nearby dam could fail. For residents of Rincon, the wait continued: standing floodwater and a separate breached levee kept their community under evacuation in the overnight updates available early September 30. ^{20 110}

Salem, Garfield, Hatch and Placitas were cleared to return as weather improved late September 29, 2026. Earlier that evening, Doña Ana County reported that a small internal erosion problem at McLeod Dam had been mitigated. Those were consequential improvements, but neither permission to return nor the intervention at the dam amounted to a final engineering all-clear. ^{9 14}

The distinction matters beyond one valley. Southwest flooding has already forced evacuations and rescues, while a substantial Texas rainfall threat still lay ahead in the early Wednesday assessment. The story is now one of uneven relief: some households can return, one community remains displaced, and another region is preparing for repeated rain.

McLeod Dam, also known locally as Garfield Dam, sits on McLeod Arroyo near Garfield in northwestern Doña Ana County. Between approximately 1:47 and 2:01 p.m. Mountain Daylight Time Tuesday, operators and county officials warned of imminent failure. Several retention dams in the Hatch Valley were nearly full, with intense runoff increasing the downstream danger. ^{14 16 8}

The initial flash-flood emergency covered rural ground between Garfield and Salem, including Highways 187 and 390 and irrigation drains. Emergency language described a “particularly dangerous situation” and instructed people to “seek higher ground now.” Coverage later extended through the Hatch Valley between the Sierra County line and Rincon. ^{16 8}

Families in Salem, Garfield and Rincon were told to leave during the afternoon; Hatch and then Placitas were added in the evening. The county's initial notice strongly encouraged immediate evacuation in Salem and Garfield and identified reception sites at the Radium Springs Community Resource Center, 12060 Lindbeck Road, and the Doña Ana Community Resource Center, 5745 Ledesma Drive. The Red Cross was dispatched to assist at Radium Springs. ^{5 4 18}

Residents were urged to take medicines, limited essentials and pets, head toward safer locations using Interstate 25, and avoid flooded roads and low-water crossings. Highway 187 near Salem and Garfield was closed by water and debris. Leaving meant acting before households could know whether floodwater would reach their homes—the purpose, and the hardship, of an urgent evacuation. ^{18 28}

At about 8:30 p.m., county spokesperson Ariana Parra described “a very small piping failure” that had been mitigated, according to the Albuquerque Journal. Pumps were on their way to lower the water level and pressure. ¹⁴

Piping describes internal erosion associated with water moving through or beneath a structure. Parra's account does not establish a completed breach through the dam body. Earlier descriptions of water coming over the top likewise did not prove that the dam had collapsed. Further rain and renewed overtopping remained concerns. ¹⁴

Rincon faced a separate problem: a breached Rincon Arroyo levee near the water plant, along with standing floodwater. That helped explain why its evacuation continued even after the reported mitigation at McLeod. A levee breach in Rincon is not evidence that McLeod Dam itself collapsed. ^{110 20}

The four return orders came late Tuesday as weather improved and the immediate prospect of substantial additional rain diminished. The Las Cruces Sun-News placed the announcement around 10:20 p.m.; KTSM described it as shortly before 11 p.m. The exact minute remains unreconciled, but both accounts establish the consequential change: four communities could return, while Rincon remained evacuated. ^{9 20}

Tropical moisture associated with Hurricane Polo's remnants helped drive the regional flooding, with previously wet ground increasing runoff. But neither the damage nor the rainfall can be captured honestly by one Southwest-wide number. ^{68 66}

Tuesday morning in Tonopah, west of Phoenix, a man stood on the roof of a silver Toyota Tacoma lying on its side in floodwater near 327th Avenue and Salome Highway. A Maricopa County Sheriff's Office aviation crew extracted him by helicopter. Matching local NBC and ABC coverage identifies the same overturned pickup and extraction—not two separate helicopter rescues. ^{86 87}

The sheriff's office reported three people rescued from flooded roads in Tonopah and New River that morning: the helicopter extraction and two New River vehicle assists. The Tonopah man's medical outcome is less clear. Early September 29 accounts from AZFamily and ABC15 described transport or hospitalization with his condition unspecified; later 12 News coverage described him as unhurt and safe that evening. The later reporting updates the early uncertainty, but a hospital admission or injury diagnosis has not been reconciled. ^{42 103 86}

The Las Vegas drainage-tunnel rescue involved a different man, agency and day. Clark County firefighters responded late Monday, September 28, near Twain and Eastern avenues after a man fell from a bridge into fast-moving water and a tunnel. After rope-bag attempts failed, a technical team used a high-point rope system to raise him and a rescue technician. He was assessed at the scene and released. September 29 was the local publication date, not the established rescue date. ^{49 52}

Measured rainfall also varies by location and clock. A volunteer gauge at Bullhead City 3.8 NE recorded 2.34 inches by 7 a.m. September 29, covering approximately the preceding 24 hours. At the different Laughlin–Bullhead airport station, local-calendar-day totals were 0.72 inches September 28 and 0.30 inches September 29. Their arithmetic sum is 1.02 inches, not a separately issued official storm total or a directly comparable reading from the volunteer site. A verified rainfall accumulation at McLeod Dam remains unavailable. ^{125 124}

The national alert estimates require similar care. In their September 29 broadcasts, published September 30, NBC News reported 25 million people under flood alerts from Arizona toward Texas and Iowa; ABC News reported more than 30 million under broader weather alerts from Arizona to Iowa. Different alert categories, areas or moments can produce different totals. These figures cannot be added together or treated as a verified increase. ^{1 2 3}

For south-central Texas, the more specific National Weather Service forecast calls for widespread event totals of two to four inches, with isolated totals up to approximately eight inches. The flood watch runs from 7 p.m. Central Daylight Time Wednesday, September 30, to 7 p.m. Friday, October 2. The heaviest threat is Wednesday night through Friday, especially Thursday and Thursday night, as a front and tropical moisture favor repeated rain. ^{141 114 82}

NBC's earlier forecast allowed up to seven inches in parts of central Texas beginning Wednesday. That was not seven inches already measured, nor a claim that it would all fall Wednesday alone. No measured seven-inch total has been verified for this event in the early Wednesday reporting. Strong or severe wind and hail also remained forecast hazards, particularly Wednesday night through Friday morning—not established reports of damage already occurring. ^{1 59 112}

The practical lesson from the Hatch Valley is not that warnings were unnecessary because most residents later received permission to return. It is that conditions changed—and the response changed with them. Relief in four communities does not erase Rincon's flooding, certify the dam's long-term security or resolve the rain still forecast for Texas.