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Greens Bayou Wetlands Mitigation Bank Will Soon Have Additional Credits Available


May 20, 2005
The Greens Bayou Wetlands Mitigation Bank, a 1,400-acre wetland project located in northeast Harris County and operated by the Harris County Flood Control District, will soon receive approval to offer new wetland mitigation credits from the U.S. Army Corps of Engineers. Over 100 additional credits will be offered within the Mitigation Bank - an inexpensive and simple wetland mitigation alternative - meaning easier accommodation for public and private projects that have unavoidable impacts to jurisdictional wetlands.

The new mitigation credits are to be located in a portion of the Mitigation Bank known as Subdivision B. This area collects, naturally treats, and manages stormwater runoff from the drainage area around Beltway 8. Prior to the construction of this project, the stormwater was collected in storm sewers and routed without storage, detention, or natural treatment directly into Greens Bayou. Now, the stormwater enters the system and is filtered through a series of ponds and marshes where various species of plants clean certain pollutants from the water. The treated stormwater is then used as a water source for created wetland habitats also within Subdivision B. Both the water quality treatment cells and the habitat marshes will be used as wetland mitigation credits.

Before the Corps of Engineers will allow wetland mitigation credits within each subdivision of the Mitigation Bank, the District must demonstrate that the subdivision has met a certain level of success. This ensures that the wetland systems are functioning at a high level and wetland vegetation is flourishing. The District has completed all of the required studies and the Corps of Engineers has visited the site to verify that Subdivision B has met this criteria.

The monies collected for wetland mitigation credits will fund reporting requirements and bank-related operations and maintenance to help ensure future success of this endeavor.

The District is excited about this innovative and unique project. The Greens Bayou Wetlands Mitigation Bank is only partially complete; there are plans for additional wetland habitat areas to be created in the future, as well as an educational facility onsite.

Harris County Flood Control District
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