Houston Chronicle Sunday

The Woodlands drainage: No short-term fix

- BY MICHELLE IRACHETA michelle.iracheta@chron.com

While residents in a few villages of The Woodlands continue repairing their flood-damaged homes – some for the second or third time in less than two years — more than a dozen agencies are scrambling to find solutions to a problem with “no short-term fix.”

Despite having no official authority over matters related to drainage, The Woodlands Township is preparing to hire a profession­al engineerin­g firm to assist its task force in reviewing flooding in the Spring Creek watershed, which caused nearly 100 percent of the flooding in The Woodlands, said Bruce Rieser, township board director and drainage task force chairman. Watershed study The intent is to study the local watershed — a geographic area that flows into a particular creek — so that officials can apply for federal disaster funding to help mitigate future flooding, said The Woodlands Township Board Chairman Gordy Bunch.

But county commission­ers have been preparing a proposal for a study of watersheds across the county, said Bunch, who met with Precinct 3 Commission­er James Noack and others last week.

That study would include Bear Branch, Panther Branch, Spring Creek and the San Jacinto River and might be broader and more encompassi­ng than what the township has planned, Bunch said, noting that board members would re-evaluate the need to hire an engineerin­g firm for the drainage task force if the county moves forward.

The best way to resolve drain-

age issues is to have a “countywide consolidat­ed approach” that would include all the key players, he said. Drainage task force

The township’s drainage task force formed last year after two major flooding events in April and May, as a way for the township to be involved in the review of drainage systems and to corral the many organizati­ons that have drainage responsibi­lities in the community, Bunch said.

“Our task force is trying to coordinate those efforts to make sure the community has improvemen­ts and mitigation to limit the amount of flooding that occurs,” he added.

Between the Tax Day floods and Hurricane Harvey, municipal utility districts – taxing entities directly responsibl­e for drainage issues – have spent $3.5 million on improvemen­ts, including ditch and drainage maintenanc­e and constructi­on of drainage easements, Rieser said.

Following the floods of 2016, the township board authorized the purchase of flood gauge monitors, Bunch said. Gauges work in real-time and collect rainfall and stream response data.

The two events in 2016 were at the time considered unpreceden­ted and “in weather statistica­l terms, this is highly unlikely, but happened,” according to a Woodlands Joint Powers Agency report released in April.

The agency responded to at least 130 Woodlandsa­rea calls regarding drainage concerns at the time, said Jim Stinson, WJPA general manager.

The township received numerous calls from concerned residents, who were seeking drainage relief after the two events dropped roughly 15 inches each, according to a drainage task force July meeting summary.

Even homes that “did not lie within the 100-year floodplain” experience­d damage; and the task force at the time was overloaded with coordinati­ng responsibi­lities with overlappin­g authoritie­s, the report showed.

Since inception, the task force has met five times, including a recent Sept. 28 meeting where the board heard complaints from residents whose homes had flooded multiple times in the last two years. Reports scheduled to be presented were put aside.

During each meeting, the task force hears updates on activities conducted by local MUDs, the San Jacinto River Authority, Precinct 3, village associatio­n presidents and developmen­t companies. Harvey’s havoc

Harvey hit the Texas coast Aug. 25 as a Category 4 hurricane and dropped 30 inches of rain in The Woodlands – double that of the 2016 Tax Day Floods. By Monday, Spring Creek had crested, overflowin­g its banks and spilling into neighborho­ods that ran alongside it. Near Kuykendahl Road, the creek reached 140 feet at its height; and near Interstate 45, it reached 111 feet, according to informatio­n from the Harris County Flood Control District.

“Anybody on the board (when it was created) had no idea that in less than 18 months, we’d have another flood event,” said Rieser, who was not part of the original task force. “We knew we had issues that needed to be addressed and there were some places that we could take mitigating action.

“I don’t know that there is a credible engineerin­g solution that would have prevented Harvey.”

At a Sept. 5 special township board meeting, residents, specifical­ly homeowners in the Village of Creekside Park, vented their frustratio­ns at board members demanding action and recovery funding.

“When I hear the rain, I know it’s time to get out,” Jeremy Oehmen, a homeowner in Timarron Lakes, told the board. “It’s time to take action. You’ve got to do something. We pay a lot of money in taxes. You’re on notice. We need answers.”

About 300 homes in the Village of Creekside Park, located along the west side Kuykendahl Road in North Harris County and south of Spring Creek, were damaged, causing some to raise questions as to whether the developmen­t should have been built in the first place or whether homes in some neighborho­ods met the standard of a 100-year floodplain.

“That’s a stretch. That would be wrong and unconscion­able,” Rieser said. “It would be really easy to say they shouldn’t have been built there, but then you have to go up to other neighborho­ods (that flooded) and ask, ‘What about Grogan’s Point?’”

But Stanley Okazaki, a homeowner in Creekside Park who started a coalition for residents who believe neighborho­ods should never have been developed there, said The Woodlands Developmen­t Company should be held accountabl­e. They are hoping to receive compensati­on for losses caused by three “historic flooding” events.

“We’re demanding he said.

A spokesman for the Developmen­t Company did not respond to comment, but at a Sept. 21 township meeting, officials with Harris County said they approved the developmen­t plans for the company and that they met the standard.

The real question people should be asking is whether the 100-year standard is sufficient in Houston, Rieser said.

Raising the standard by base elevation is moot, Bunch said.

“For areas along creeks and lakes, I think the standard should be higher; but then again, what’s that standard?” Bunch said. “I don’t know. I’m not a hydrologis­t. I don’t know if going to a 125-year flood level provides you that extra layer of protection.

Until they look at what level of elevation would have made a difference for our folks in Creekside Park, that would be the level that I would say would be sufficient.”

 ?? Courtesy photo ?? Historic levels of Spring Creek at Interstate 45.
Courtesy photo Historic levels of Spring Creek at Interstate 45.

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