And more than 100,000 customers remained without power Thursday in Oregon, a week after a massive snow and ice storm. Maria Pope, the chief executive of Portland General Electric, said she expects power to be restored by Friday night to more than 90 percent of the customers still in the dark.
Meanwhile, snow and ice moved into the Appalachians, northern Maryland and southern Pennsylvania, and later the Northeast. Back-to-back storms left 15 inches of snow in Little Rock, tying a 1918 record, the National Weather Service said.
The extreme weather was blamed for the deaths of at least 40 people, some while trying to keep warm. In the Houston area, one family died from carbon monoxide as their car idled in their garage. A woman and her three grandchildren were killed in a fire that authorities said might have been caused by a fireplace they were using.
Utilities from Minnesota to Texas implemented rolling blackouts to ease strained power grids. Southwest Power Pool, a group of utilities covering 14 states from the Dakotas to the Texas Panhandle, said rolling blackouts were no longer needed, but asked customers to conserve energy until at least Saturday night.
In Texas on Thursday, about 325,000 homes and businesses remained without power, down from about 3 million a day earlier. The state’s grid manager, the Electric Reliability Council of Texas, said the remaining outages are largely weather-related, rather than forced blackouts that began Monday to stabilize the power grid.
Texas Governor Greg Abbott warned that state residents “are not out of the woods,” with temperatures remaining well below freezing statewide and south central Texas threatened by a winter storm.
Adding to the state’s misery, the weather jeopardized drinking water systems. Authorities ordered 7 million people — a quarter of the population of the nation’s second-largest state — to boil tap water before drinking it, following record low temperatures that damaged infrastructure and pipes.
Water pressure fell after lines froze, and many people left faucets dripping to prevent pipes from icing over, said Toby Baker, executive director of the Texas Commission on Environmental Quality. Abbott urged residents to shut off water to their homes to prevent more busted pipes and preserve pressure in municipal systems.
Houston Mayor Sylvester Turner said he expects that residents in the nation’s fourth-largest city will have to boil tap water before drinking it until Sunday or Monday, when temperatures are expected to rise into the 60s.
Some Austin hospitals lost water pressure and heat. But because the problem was statewide and affected other facilities, “no one hospital currently has the capacity to accept transport of a large number of patients,” said David Huffstutler, chief executive of St. David’s South Austin Medical Center.
Two of Houston Methodist’s community hospitals had no running water but still treated patients, with most non-emergency surgeries and procedures canceled for Thursday and possibly Friday, and burst pipes were repaired as they happened, said spokeswoman Gale Smith.
Emergency rooms were crowded “due to patients being unable to meet their medical needs at home without electricity,” Smith said.
The Federal Emergency Management Agency sent generators to support water treatment plants, hospitals, and nursing homes in Texas, along with thousands of blankets and ready-to-eat meals, officials said. The Texas Restaurant Association also said it was coordinating donations of food to hospitals.
The weather also disrupted water systems in Southern cities, including New Orleans, and Shreveport, La., where fire trucks delivered water to hospitals and bottled water was brought in for patients and staff, Shreveport television station KSLA reported.
Power was cut to a New Orleans facility that pumps drinking water from the Mississippi River and generators were used until electricity was restored.
And in Jackson, Miss., Mayor Chokwe Antar Lumumba said almost the entire city of about 150,000 was without water Thursday night.
Crews were pumping as much water as possible to refill city’s tanks but there was a shortage of chemicals to treat the water and road closures made it difficult for distributors to make deliveries, Lumumba said.
“We are dealing with an extreme challenge with getting more water through our distribution system,” he said. “This becomes increasingly challenging because we have so many residents at home,” and using more water.
Drinking water was made available at fire stations throughout Jackson and officials also planned to set up bottled water pickup sites.
As the storms marched east, 12 people had to be rescued Wednesday night from boats after a dock weighed down by snow and ice collapsed on Tennessee’s Cumberland River, the Nashville Fire Department said. Elsewhere in the state, a 9-year-old boy was killed when the tube his father was pulling behind an ATV slammed into a mailbox.
Before the wintry weather moved on, parts of Texas got more snow.
Del Rio, along the Mexico border, got nearly 10 inches Thursday, surpassing the city’s one-day record for snowfall.