Clear Lake City Water Authority finishes work on Phase 2 of Exploration Green

Thursday, October 8, 2020

Clear Lake City Water Authority completed work on the second phase of Exploration Green, a 178-acre former golf course turned stormwater detention pond between El Camino Real, Bay Area Boulevard and Space Center Boulevard, according to a Sept. 30 media release.

Exploration Green was named in honor of the community's local exploration legacy and its proximity to Johnson Space Center, per the release. Once finished, the conservancy will protect 2,000 to 3,000 surrounding homes from flooding in 12 to 15 inches of rain, leaders said.

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National planning, engineering and program management firm Lockwood, Andrews & Newnam Inc. is the project's design engineer. CLCWA, the local provider of water, sewage collection and treatment, and storm drainage services, partners with Exploration Green to develop and preserve the nonprofit's green spaces.

"With the recently completed Phase 2 undergoing a test from Tropical Storm Beta, it was a great indicator to see how well Phase 1 and 2 integrated together," Jennifer Morrow, CLCWA's general manager, said in the release. "This opportunity to provide retrofitted detention to a community previously struggling with drainage has been a huge benefit so far, and we are looking forward to completing the entire project."

Upon the project's completion, detention ponds and wetland areas will take up about 8 acres per phase, or just under 40 total acres. There will be five large detention ponds that can each hold 100 million gallons of stormwater, per the release-the equivalent of 750 Olympic-sized swimming pools.

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Aside from stormwater drainage, the conservancy will also serve as a nature park, with 6 miles of walking and biking trails, two athletic fields available for use by local sports teams, and wetlands and native grassland areas, per the release.

The second phase of the project features a 26.2-acre detention pond, 18 acres of natural habitat with wetlands, and 1.3 miles of trails. About 90% of the work on Phase 2 was finished in January, but the turf establishment of native grasses signaled its completion, LAN officials said. The first phase, which was completed in April 2018, included a 23.7-acre detention pond, 15.2 acres of natural habitat with wetlands and 1.25 miles of trails, per the release.

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Exploration Green's amenities are funded entirely by grants and donations. In total, the project will cost between $40 million-$50 million to complete. The last piece of the puzzle will be an entry plaza on Phase 1 estimated to cost between $1.5 million-$2 million, Chair Frank Weary told Community Impact Newspaper in March. Once it is completed, nearly 70% of the 40,000 people living in the Clear Lake area will be within walking distance of Exploration Green, and the remaining people will be less than a mile from one of the phases, per the release.

The on-site nursery where plants are kept is maintained by volunteers, who play an integral part in planting trees and shrubs during the late fall and early spring. Planting should be completed by the end of 2022, Weary said in March.

During Hurricane Harvey, although only 80% of the Phase 1 pond was excavated at the time of the storm, it helped detain 100 million gallons of water, protecting at least 150 homes from flooding. Tropical Storm Imelda had minimal impact on the community the following year, and the project had no trouble withstanding Tropical Storm Beta, per the release.

The project has already played a major part in revitalizing home values in an area that was previously experiencing economic decline, per the release. Given that the conservancy protects homes from flooding, property values have subsequently increased, and flood insurance costs have dropped. Data from Paige Martin of Keller Williams Realty shows the price per square foot of Clear Lake-area homes went from $9 in 2016 to $17 in 2017, then $28 in 2018.

"Communities throughout Texas are looking for ways to mitigate major flooding events like Harvey, Imelda and Beta," said Wayne Swafford, LAN's president, in the release. "Exploration Green is transforming Clear Lake from a flood-prone community into one of the most flood-resilient communities in Texas. In addition, it is creating a healthy, sustainable neighborhood for its residents."

This article comes from our ABC13 partners at Community Impact Newspapers.

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