Two levees near Fremont have breached, causing surging floodwaters to find a new path through the southern part of the town Saturday morning, said Fremont City Administrator Brian Newton.

Residents have put dirt and sandbags about 2 to 3 feet high on Military Avenue to prevent the water from entering the town further.

Officials are telling the couple of hundred residents in the Davenport neighborhood, which is south of the Fremont Municipal Airport, to evacuate as a precaution, but there is no water in that area yet, Newton said.

Areas south of the railroad tracks, including the Inglewood area, have been flooded since Friday, Newton said.

“(Water) always tries to seek a path, so that’s what it’s doing,” he said.

Saturday morning brought little relief to residents of Fremont, where roads in and out of the city, including U.S. Highway 275, U.S. Highway 30 and U.S. Highway 77, are still water-covered and closed, effectively turning the town into an island.

“The Elkhorn is pretty bad,” Newton said. “It’s come down but not enough.”

A levee breach sparked a flash flood emergency warning from the National Weather Service, which urged residents in the area — the levee is on the northwest side of town along the Platte River — to seek higher ground immediately.

The levee breach happened about 8 a.m. near Cut-Off Road and County Road 17, said the Dodge County Sheriff’s Office, which called for mandatory evacuations for parts of northwest Fremont along Highway 30 to the Davenport area.

The breach has been patched, officials said about 10:45 a.m. However, there is still a breach in the southwest part of town, near North Pierce Street.

Residents were still evacuating throughout the night, some by boat.

Grocer Hy-Vee was sending thousands of bottles and jugs of water across Nebraska to flood-ravaged communities.

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However, Newton wanted to clamp down on gossip and reassure residents that the water is safe to drink. Officials aren’t telling people to limit water use.

“We have no problems with our water,” he said. “No water issues.”

Melody Leffler lives two blocks away from an evacuated area of Fremont and sought escape for herself, her mother, and her sons, ages 6 and 3, at the Fremont Village Inn.

But there was no real escape from the sense of foreboding that hung over diners anxiously checking their phones, especially after the blare of a National Weather Service emergency alert. Now a second part of town was being evacuated.

More than 400 people were staying in emergency shelters set up in local churches. The city opened additional shelters, at Fremont Middle School and Fremont Nazarene Church, on Saturday morning.