Jordan is donating $1 million each to the American Red Cross and Foundation For The Carolinas' Hurricane Florence Response Fund.
More than 5 million gallons (18 million liters) of partially treated sewage spilled into the Cape Fear River after power went out at a treatment plant, officials said, and the earthen dam of a pond holding hog waste was breached, spilling its contents.
In North Carolina, transportation officials Tuesday continued advising motorists who ordinarily might take southbound I-95 from Virginia to SC that flooding has made long sections of I-95 in North Carolina impassable.
One of North Carolina's largest cities still is mostly cut off by floodwaters, so food, water and tarps are being brought into Wilmington by big military trucks and helicopters.
The National Weather Service said in a tweet Tuesday that many rivers in the Carolinas are in flood stage and still rising, and the "flooding could last weeks".
"I know for many people this feels like a nightmare that just won't end", he said.
In New Bern, the reception to Trump's visit has been largely positive, according to NPR's Brian Mann. The enduring image of the trip was of Trump at a church lobbing paper towels into the crowd as if shooting baskets. Many people in the crowd smiled and raised their phones to record the moment.
Before that, Trump's trip to Texas after Harvey battered the Houston area generated blowback for his failure to meet with victims of the storm.
Despite everything they had been through, the volunteers and locals were energized, and cheered when he finished handing out food, then crowded around the president to get photos.
Murphy said her message for President Trump as he visits the state is, "Next week is a long time - you have to act now".
Florence has claimed eight lives in SC thus far, and flooding is expected to worsen later this week and into next.
"Don't be fooled, at some point in the near future Democrats will start ranting that FEMA, our military and our first responders, who are all unbelievable, are a disaster and not doing a good job". "They don't know whose boat that is".