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Water woes plague Village Green residents

A lengthy discussion at a Farragut Board of Mayor and Aldermen meeting left Shiloh resident Gene Larson feeling hopeless about the flooding in his subdivision during large rainstorms Thursday, Aug. 13.

“What you’re saying is that it’s hopeless to try to do anything with the Village Green water. … We can just live with that from now on, that’s what you’re really saying,” Larson told the Board.

The item under discussion was a drainage study regarding periodic flooding in the Village Green-Shiloh area, from roughly Belleaire Drive to Jamestown Boulevard.

In heavy rains, water from the north side of Farragut overtops Kingston Pike, flooding land from First Baptist Concord to Shiloh to the Kohl’s shopping center.

Town Engineer Darryl Smith said, in large storms, water from 114 acres of Village Green subdivision overflows a 30-inch drainage pipe and instead drains south, to the Shiloh-First Baptist Concord-Ford property-Glen Abbey drainage system, which encompasses about 116 acres. The 114 acres of Village Green has no detention ponds.

When the southern drainage system gets more water than it can handle, the south side floods.

Larson remembered one storm when the Kohl’s shopping center had six inches of standing water in the buildings.

In September 2006, heavy rain flooded Kingston Pike and Shiloh in what Smith called a “25 year storm.” Every two to five years, a storm will generate enough water to top Kingston Pike.

Urban Engineering has completed a drainage study to evaluate options to alleviate this drainage problem.

“There was no practical solution to improve the situation on the north side of the road … basically, you would have to install very large pipes all the way to the creek across Campbell Station Road.

“Economically, I couldn’t see any scenario where that would make sense,” Sharp said.

Because Kingston Pipe runs uphill and because the necessary pipes would be so large, they would need ditches much larger than the current design (which are at grade already) only inches from Kingston Pike, even to keep the pipes running level, not at a downhill grade.

“It’s difficult to get a good fix on the north side of Kingston Pike, and … you’re looking at a very expensive fix on the north side,” Smith said.

“Another option would be to explore detention on the north side,” Sharp said, although he added there was not that much land available on the north side.

“We could raise Kingston Pike,” Alderman Bob Markli joked.

Urban Engineering instead focused on fixes for the south side of Kingston Pike.

The “Cadillac” of options, Sharp said, involves increasing the size of First Baptist Concord’s detention pond and changing the main trunk line of the drainage system from a 48-inch metal pipe to a 54-inch concrete pipe.

“This is the only model that would accommodate a 100-year storm,” Sharp said, although he added it will not stop water overtopping Kingston Pike. It simply gives the water a place to go once it crosses to the south side.

“I’m still concerned about the Village Green thing … We still have the problem with the water over Kingston Pike,” Larson said.

“When that really overflows, it’s a safety hazard, first of all, to Kingston Pike … as well as [to Shiloh].

The Board took no action on the agenda item. The drainage improvement models will continue to be considered and likely will be on the capital plan for the next several years.

Any improvements and changes would be incremental.


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