Environmental Stewardship

Mitigation Programs (Case Studies)

Mitigation Projects

We mitigate biodiversity impacts and support both voluntary and required restoration projects in our local communities, such as:

Sabine Pass Tidal Mitigation Project

We built the Sabine Pass terminal and created a 70-acre tidal wetland mitigation area—nearly double the size required to meet our obligations. The U.S. Army Corps of Engineers previously used this area for dredged material placement. By building channels to allow water to enter the wetland system, we were able to create a viable wildlife habitat. This area is now protected from future dredge placement and other development activities. The wetlands continue to thrive, supporting dozens of species of fish, crustaceans, and birds.

Left: Aerial view of 70 acre mosaic wetlands / Top Right: 2008 aerial view of Louisiana Point / Bottom Right: 2014 aerial of restored shoreline

Shamrock Island Breakwater Mitigation Project

We collaborated with several federal and state agencies including the U.S. Fish and Wildlife Service, National Oceanic and Atmospheric Administration (NOAA), and Texas Parks and Wildlife Department to construct 16 breakwaters around Shamrock Island in Corpus Christi Bay. The new breakwaters, an investment of about $4 million, will help prevent erosion in the area, promote the growth of seagrass,and protect bird habitat. The island is prime nesting location for many water-birds, including black-crowned night heron, roseate spoonbill, and reddish egret.


Galveston Bay Oyster Gardens

We awarded Restore Americas Estuaries, a non-profit estuary conservation organization, $50,000 to support Gulf-region restoration projects. One such project, the Galveston Bay Foundation’s Oyster Shell Recycling and Restoration project, reclaimed 115 tons (230,000 pounds) of oyster shells from area restaurants to create “oyster gardens.” These gardens consist of recycled oyster shells hung from docks and piers around the Galveston Bay to recruit oyster larvae during the spawning season. Volunteers created more than 200 oyster gardens, recruiting nearly 4,500 larvae on recycled shells. The 32 tons of remaining shells were used to create a 250-ft oyster-bar breakwater structure at the Sweetwater Preserve on Galveston Island, providing shoreline and marshland protection.

Calcasieu Lake Biodiversity Offset

During the construction of our Creole Trail Pipeline, we worked with the Louisiana Department of Wildlife and Fisheries to develop 16 acres of oyster reefs and fish habitat in Calcasieu Lake. This voluntary project helped offset any potential biodiversity loss due to our pipeline construction. To this day, the oyster reefs continue to thrive, and have become a popular location for commercial harvesting. This project led to successful conservation of the ecosystem, as well as local economic development.



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