Tag Archive for: City of Houston

Harvey Time Capsule: Marina Drive in Forest Cove

It’s been more than a year since Hurricane Harvey. Much of Houston has improved remarkably since then. But one neighborhood near the San Jacinto West Fork seems frozen in time: Marina Drive in Forest Cove. It’s the land that Solid Waste forgot.

Forest Cove Townhomes destroyed by Harvey and swallowed by sand. Photograph from 9/14/17, two weeks after Harvey. Not much has changed since then. 

Featured in FEMA Video Filmed Last Month

When FEMA came to Houston last month to shoot a video about Harvey, they asked ReduceFlooding.com for location recommendations. They wanted a place that told the story of the storm. It took me about a nanosecond to recommend the apartments/townhomes on Marina Drive.

Forest Cove Townhomes destroyed by Harvey. This and following photos taken a year later on September 28, 2018.

The Forest Cove Property Owners Association has fixed up the community swimming pool. But everything around it still triggers memories of the terror that night in August, 2017, when Harvey dealt the final death blow to these ill-fated townhomes.

Forest Cove Townhomes now targets for vandals, looters and squatters.

Ravaged by Numerous Floods, but Killed by Harvey

The townhomes had been ravaged by previous floods, but Harvey was different. Three residents I talked to told me the water reached 17-23 feet high – well up into the second story. To put that in perspective, joists in the garage level are set at 11 feet.

You can see holes chopped in roofs where thieves stole roof-mounted AC condensers. One building appears to have been swept off its foundation. Bedsheets spray-painted with “FEMA HELP” still flutter from second story balconies. Sand clogs the streets and storm drains. Five foot high dunes cover fences and shoreline. Trash litters the parking lots. Graffiti and mold cover what’s left of the homes. An old oil pumper supports vines. Oil storage tanks sit twisted and lonely, off kilter. Not one person still lives there. The homes are uninhabitable.

Forest Cove Townhome destroyed by Harvey. Area is now a target for graffiti artists. 

More Marina Drive Townhomes destroyed by Harvey. In addition to the trash in the parking lot, note the hole chopped in the roof to rescue people in the middle of the photo.

Reportedly, these properties are being bought out by FEMA and Harris County Flood Control to reduce future flood risk. Some offers have already been made according to Glen Allison, a member of the Homeowners Association. Allison also said that “Three units were swept away. Two more completely collapsed. There was tremendous structural damage throughout.”

Someday the area may be turned into parkland. The county has been trying to buy this land and convert it into a linear park since 1994 – almost 25 years ago. Not much has happened since then. The last section in a document from Harris County Flood Control titled 2018 Federal Briefing: Unprecedented Opportunity discusses progress of various buyout programs going back 29 years.

 

Excerpt from HCFCD map showing historical buyout programs in Forest Cove.

FEMA and HCFCD completed voluntary buyout programs in 1994 (pink), 1998 (blue), 2005 (yellow) and 2008 (lavender).  However, as of this spring, they were still trying to complete buyouts from 2014 and 2016 (see table below, also from 2018 Federal Briefing referenced above).

Forest Cove properties were part of the 2014 and 2016 buyout programs that were still not completed at the time of Harvey and HCFCD’s Federal Briefing last spring.

Maybe this time! Meanwhile, someone please call for a trash pickup.

Posted by Bob Rehak on October 7, 2018

404 Days since Hurricane Harvey

Correction on Post about Ben’s Branch and Taylor Gulley

My apologies. On Wednesday, I posted about easements along Ben’s Branch and Taylor Gulley. The story said that the City of Houston had finally sent long-awaiting documents to Harris County Flood Control that would allow the County to assume maintenance of those areas. It was based on assurances from a source at the City that the documents had finally been sent to the County.

However, different documents actually arrived at the County. They covered a small portion of Taylor Gulley and a small drainage ditch in King’s Forest that parallels Valley Manor west of Kingwood High School.

Like many of the drainage ditches in Kingwood, after annexation, this ditch west of Valley Manor and Kingwood High School fell into a maintenance black hole. The County has now received an easement from the City of Houston that will allow it to maintain the ditch.

Here are maps of the two areas for which documentation has actually been sent to Harris County:

My source at the City now says, “I am working with the legal team to have a full update on all the outstanding channels as well as have requested the expedited completion of Bens Branch.”

To see an interactive map of Harris County drainage projects in Kingwood, go to the Harris County Flood Control District website and see the Kingwood section.

Posted by Bob Rehak on September 7, 2018

374 Days since Hurricane Harvey

 

Seasonal Lowering of Lake Conroe Begins August 1

On August 1, the City of Houston Public Works Department, the San Jacinto River Authority (SJRA) and the Coastal Water Authority (CWA) plan to begin lowering the level of Lake Conroe as part of a joint operations plan to mitigate flooding threats during the peak of hurricane season. The plan calls for lowering Lake Conroe gradually through small releases – about an inch a day – until the lake level reaches 199 msl (mean feet above sea level).

Intent of gradual lowering of Lake Conroe is to avoid another 79,000 cubic-feet-per-second release rate as we experienced during Harvey. Until normal flow is restored to the West Fork, Lake Conroe will be lowered temporarily and seasonally to mitigate flood risk.

Lake Conroe to Be Lowered 2 Feet Through September

This initial lowering will last through the end of September to create additional storage in Lake Conroe which could delay releases and minimize release rates during a storm, thereby providing a buffer against flooding for residents who live downstream of the dam.

The next lowering would occur during the peak of the spring rainy season – from April 1 – May 31, 2019. However, that lowering would only be by a foot – to 200 msl, because the rain threat is usually lower in spring.

Only Until Dredging Restores River’s Flow

The joint operations plan calls for continuing to lower Lake Conroe seasonally in this manner while the U.S. Army Corps of Engineers dredges the West Fork of the San Jacinto to restore flow.

Hurricane Harvey deposited tremendous amounts of silt in the West Fork which  physically changed the river’s ability to safely pass water during storms. Hence, the dredging.

Phase-One Dredging Has Already Started

Phase one will go from River Grove Park to the West Lake Houston Parkway bridge. Great Lakes, the contractor hired by the Corps, has 269 more days to complete the initial phase.

Phase-Two Still Needs Funding

The total project could take longer. Community leaders are now working furiously to arrange funding to dredge the remainder of the west fork, including the mouth bar.

Mobilization and demobilization comprise 25 percent of the total phase one project costs (approximately $18 million out of almost $70 million). Having phase two ready to start before phase one ends could save that money, creating extra value for taxpayers and enabling even more dredging, say for instance, on the East Fork.

Temporary Lake Conroe Lowering Could Last Up to 3 Years

The City, SJRA, and CWA will continue the seasonal lowerings for up to three three years. They will monitor progress of the dredging and annually re-evaluate the need to lower Lake Conroe. If the river’s flow is restored before three years, the temporary lowering would cease.

Lakes will Operate under Two Different Strategies

LAKE CONROE
Lake Conroe is located upstream from Lake Houston. Large pre-releases immediately before a storm run the risk of pushing water into Lake Houston at a rate that could flood residents. Therefore, the SJRA will release at a much more gradual, controlled rate and maintain the lower level until the largest flood threat passes.

LAKE HOUSTON
Lake Houston, as the lowest lake on the river system, can pre-release more safely. Therefore CWA will pre-release from Lake Houston if the National Weather Service predicts more than 3 inches of rain within the San Jacinto River basin in a 48-hour period. Coastal Water Authority will lower Lake Houston to 41.5 feet from its normal elevation of 42.5 feet.

To track lake levels visit:

  • Lake Conroe – www.sjra.net
  • Lake Houston – www.coastalwaterauthority.org

4 Million People Depend on City for Water

Lake Conroe and Lake Houston comprise two of the largest parts of the City’s drinking water system. More than 4 million Houstonians and residents of the greater Houston region rely on water provided by the City.

Posted by Bob Rehak on July 30, 2018

335 Days since Hurricane Harvey

Need for Sediment Management Planning

Sand and sediment clog our rivers and lake. “Dredge!” you say.

“Not that simple,” say the experts. “Who will pay for it? How much should we dredge? Where will the sediment go?”

That’s why we need planning for sediment management. We need to dredge the worst parts of the river now; the U.S. Army Corps of Engineers (USACE) has already started that as an emergency project. But we also need to dredge other parts of the river that are not quite critical yet. And we need to figure out how to do all this on a regular basis so that it never gets this bad again.

A giant sand dune has formed at the mouth of the west fork of the San Jacinto. It is not being addressed by the Army Corps dredging project but should be. Thousands of homes upstream from this massive blockage flooded during Harvey.

Sediment Management Challenges That Lie Ahead

I have talked about these issues with experts from Harris County Flood Control and USACE. Both say planning is crucial to a successful maintenance dredging/sediment management program. One provided this document: Galveston-Bay-Programmatic-RSM-Plan-Rev-1, as an example of what we need for the San Jacinto. It’s a long document – 112 pages. But it is worth reading the executive summary, introduction and table of contents at the very least. Parts of it discuss the upper reaches of the San Jacinto. But the main value it provides is that it outlines the challenges ahead.

  •  Who will lead the effort? Who will support it?
  • How much money is needed per year? How can we budget for it? Who will share in the costs?
  • Where will the dredged materials go? How can we identify opportunities to reuse and sell them? Who will market them and how? To what extent can sales defray dredging costs?
  • What are the true life-cycle costs of the sand and sediment that miners send downstream to us?
  • How can we reduce their contribution to the problem? Is there a way to make them part of the solution?
  • How can we coordinate upstream and downstream efforts so that the entire river system flows freely?
  • How can we remove channel blockages more quickly after floods to help prevent additional flooding?

All of these are difficult questions. Starting such an extensive program is like starting a new business.

Budgeting Comes First

A business plan and budgeting are the first issues we need to address. Where will the money for all this come from? Without answering that first, everything else is moot.

So who are the stakeholders?

  • City of Houston – Ensuring the future of Lake Houston is essential to ensuring the future of the City. It’s the City’s main source of water.
  • Harris County Flood Control – Half of the people that live in the county, live in the City.
  • San Jacinto River Authority (SJRA) – The State created the Authority back in the 1930s to impound water and protect people from flooding. Those missions were recently reconfirmed by the Governor.
  • Coastal Water Authority – CWA is the contract operator for Lake Houston Dam and Reservoir. They sell water just like SJRA and can raise money thru water rates to fund flood mitigation. Their enabling legislation mentions drainage and flood responsibilities – same as SJRA.
  • State of Texas – This region has a quarter of all the people who live in the state. Nuff said.

Expecting all costs to be covered by the Harris County Flood Bond in perpetuity is just wishful and foolish thinking. The bond is for capital projects, not ongoing maintenance. You might be able to justify the first dredging as “channel improvements.” But after that, for the sake of the community, we need to find a way to make this program sustainable. Paying interest for ongoing operations is unwise.

Cost Sharing and 5-Year Intervals Can Make It More Doable than Avoidable

In 2000 Brown & Root, recommended dredging every 5 years – a perfect match for a venture with five partners. If each budgeted one fifth of the cost annually, and you did only one fifth of the job each year, this just might be more doable than avoidable. (Avoidance seems to have been the preferred approach in the past.)

We can’t budget sediment management forever on an emergency basis. That’s like using an emergency room for basic medical care. It’s probably not the best idea, nor the most cost effective. So let’s begin the dialog with stakeholders. As Grandma used to say, “An ounce of prevention…”

Posted on July 13, 2018 by Bob Rehak

318 Days since Hurricane Harvey

TCEQ Approves SJRA and City Plan to Temporarily Lower Lake Conroe

This morning, I received a press release announcing that the Texas Commission on Environmental Quality (TCEQ) had approved the joint decision by the City of Houston and the San Jacinto River Authority to temporarily lower the level of Lake Conroe during the peak of hurricane season. The lake will be lowered by two feet from 201 mean feet about sea level (msl) to 199 msl between mid-August and the end of September. This will provide buffer against flooding while the Army Corps of Engineers removes excess sediment from the West Fork deposited by Hurricane Harvey that is exacerbating flooding. Because this has legal implications and the Lake Conroe Association fought the lowering, I’m reprinting the entire text of the press release below…with special thanks to Houston City Council Member Dave Martin, Mayor Sylvester Turner,  and SJRA Board Members Kaaren Cambio and Mark Micheletti who lobbied long and hard for this. Also to all the Lake Houston and Lake Conroe residents who made the trek to testify about this issue to the SJRA board.

Text of Press Release

CITY AND SJRA RECEIVE APPROVAL TO MOVE FORWARD WITH TEMPORARY FLOOD MITIGATION PROPOSAL FOR LAKE HOUSTON AND LAKE CONROE

Texas Commission on Environmental Quality will use “enforcement discretion” if flood mitigation releases for Lake Houston and Lake Conroe exceed annual water rights

HOUSTON, TEXAS – Hurricane Harvey deposited tremendous amounts of silt in the West Fork of the San Jacinto River. The silt physically changed the river’s ability to safely pass flows during storms and created the need for a significant dredging project to restore the river’s capacity. As a temporary flood mitigation solution, the City of Houston and the San Jacinto River Authority (SJRA) proposed a temporary, joint reservoir operations strategy for Lake Houston and Lake Conroe. The temporary flood mitigation would be in place for up to two years or until the dredging project is completed.

The proposed strategy involves the pre-release of water from Lake Houston immediately prior to certain storms and the seasonal lowering of Lake Conroe’s water level during the Spring and Fall.  

A significant hurdle to final consideration of the proposed temporary strategy was a decision by the Texas Commission on Environmental Quality (TCEQ) on how releases of water from the two reservoirs would be “accounted for” by the state. TCEQ issues permits that limit how much water can be diverted each year from water supply reservoirs like Lake Houston and Lake Conroe.

The proposal from Houston and SJRA highlights the difficulty of balancing the state’s long-term need for reliable water supplies with the short-term goal of protecting public health and safety while emergency measures are implemented to reduce flood risks.

In a letter to the City of Houston and SJRA on Friday, June 15, 2018, the TCEQ expressed its intent to use enforcement discretion to allow the two agencies to move forward with finalizing their temporary flood mitigation strategy.

The letter states that “if flood mitigation releases . . . result in an exceedance of the annual permitted amounts for diversion or release by SJRA of the City of Houston, the TCEQ Executive Director will exercise enforcement discretion with respect to such exceedance.” The TCEQ’s decision acknowledges the importance of accounting for all diversions from the state’s water supply reservoirs, but it also recognizes the emergency nature of the flood mitigation work being conducted in the San Jacinto River.

The City of Houston and SJRA express their sincere appreciation to the leadership and staff at the TCEQ for their thoughtful consideration of the unique flood challenges that our region is facing. We look forward to finalizing the details of our proposed joint reservoir operations strategy. Additional details on the project including a timeline will be provided as they become available.

ABOUT HOUSTON PUBLIC WORKS

Houston Public Works (www.HoustonPublicWorks.org) is responsible for streets and drainage, production and distribution of water, collection and treatment of wastewater, and permitting and regulation of public and private construction covering a 627-square mile service area. Houston Public Works is accredited by the American Public Works Association. Facebook & Twitter:@HoustonPWE

ABOUT SAN JACINTO RIVER AUTHORITY

Created by the Texas Legislature in 1937, the San Jacinto River Authority is a government agency whose mission is to develop, conserve, and protect the water resources of the San Jacinto River basin.  Covering all or part of seven counties, the organization’s jurisdiction includes the entire San Jacinto River watershed, excluding Harris County.  SJRA is one of two dozen river authorities in Texas, and like other river authorities, its primary purpose is to implement long-term, regional projects related to water management and development. For more information, visit www.sjra.net.