Officials from New Hanover County and Wilmington said Sunday that additional rainfall Saturday night caused more problems for the area.
And the Cape Fear Power Utility Authority said it was in "critical need" of fuel to keep its water treatment plants running. However, it said later in a news release that a source of fuel had been found and there was no immediate threat to service.
At least 10 people have died so far in the storm in North Carolina, including a mother and child killed by a falling tree, state officials said. Most of the outages were in North Carolina.
New Bern spokeswoman Colleen Roberts said 455 people were safely rescued in the town of 30,000 residents. Officials warned that problems would spread westward Sunday along with the remnants of the storm.
"The storm has never been more risky than it is right now", he said, adding that more than 900 people had been rescued from the waters by emergency responders so far.
Around 15,000 North Carolinians are in shelters and about 700,000 were without power.
The industrial-scale farms contain vast pits of animal feces and urine that can pose a significant pollution threat if they are breached or inundated by floodwaters. State Transportation Secretary Jim Trogdon said one of his top priorities was determining how to restore ground access to the area.
Trodgon spoke as he flew with Gov. Roy Cooper over some of the damaged areas.
Kenneth Campbell had donned waterproof waders intending to check out his home in Lumberton, but he didn't bother when he saw the Coast Guard and murky waters in his neighborhood.
"Wherever you live in North Carolina, be alert for sudden flooding".
Stream gauges across the region showed water levels rising steadily, with forecasts calling for rivers to crest Sunday and Monday at or near record levels. Stephens says the county's secondary roads are "almost impassable" and water is covering part of one main highway, USA 74. "If the river rises to the level they say it's going to, then this warehouse is going to be under water".
Former hurricane-turned-Tropical Storm Florence has claimed a 14th victim: a man who drowned when a pickup truck flipped into a drainage ditch in SC.
"Our roads are flooded", he said. Four people died in SC, including a woman whose auto hit a fallen tree.
One of the authorities leading the response to Florence says the storm is causing "historic and unprecedented flooding".
Florence is now the third storm to set a tropical cyclone state rainfall record in just the last 12 months.
Schultz has a lead role in responding to Florence. "So we have not seen the worst of the flooding".
He also notes that the affected areas are looking at a "long-term recovery".
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Heavy rains bands are still coming onshore in eastern SC and North Carolina on Sunday morning. Rivers will continue to rise days after the rain has stopped, he said.
Police guarded the door of another store and only 10 people were allowed inside at a time.
Warner says a complete dam failure is not expected.
The mayor of New Bern, North Carolina, says his city has imposed a curfew.
More than 2 feet of rain already had fallen in places, and the drenching went on and on as Florence, a hurricane-turned-tropical storm, practically parked itself over the two states.
Mayor Dana Outlaw told NBC's "Meet the Press" on Sunday that numerous creeks in the area are "increasing by the hour" and there's concern about trees falling due to the saturated ground conditions. Some area residents described a harrowing retreat as the storm hit.
The head of the USA government's disaster relief agency says Florence is unfortunately delivering the damage that was predicted as it sweeps across the Carolinas. US President Trump took to Twitter to warn about Florence, urging people to be careful and saying "we are completely ready" for the storm.
McMaster has lifted evacuation orders along much of South Carolina's coast.
Horry County Chief Deputy Coroner Tamara Willard said 63-year-old Mark Carter King and 61-year-old Debra Collins Rion were killed by breathing in carbon monoxide.
Florence has weakened into a tropical depression but flash flooding and major river flooding are expected to continue over significant portions of the Carolinas. Farther along the Cape Fear River, grass and trees lining the banks were partly submerged.
At 5 a.m. Sunday, Florence was about 20 miles (35 kilometers) southwest of Columbia, South Carolina.
"This will be very unsafe flooding over the next few days", the National Weather Service said in a tweet Sunday morning.
An additional 6 to 10 inches of rain is still possible along the southeast border of North Carolina and SC.
The storm had picked up some pace and was moving at 10 miles per hour (16 kph), up from 6 miles per hour.
Life-threatening, catastrophic flash flooding is likely over the southern to central Appalachians from western North Carolina into western Virginia and eastern West Virginia.
For more information on Hurricane Florence, head to the FOX 46 Resource Center. Hundreds of water rescues have been carried out by local authorities, Cajun Navy volunteers and the U.S. Coast Guard since Friday morning. The storm has been blamed for at least a dozen deaths.