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How to Send Comments on Regulatory Division Public Notices: Send comments to the Regulatory Division, U.S. Army Corps of Engineers, Galveston District, 2000 Fort Point Road, Galveston, Texas 77550 or by electronic mail to our Public Notice Comment Email. Comments made in reference to a public notice should include your name, address, phone number and the Department of the Army permit number referenced in the public notice (e.g. SWG-2015-00001).  

How to Send Comment on Other Galveston District Public Notices: Please follow the instructions included with the public notice. For Galveston District Planning and Environmental Documents for public review, please click here.

SWG-2025-00112 - Port of Corpus Christi Authority - Corpus Christi Ship Channel (CCSC), Aransas Channel, Lydia Ann Channel, and Gulf of America (Gulf) - Nueces County, Texas

USACE Galveston District
Published March 18, 2025
Expiration date: 4/17/2025
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Public Notice          Applicant's Plans

The PCCA proposes to construct a 100-million-gallon per day (MGD) upland seawater desalination facility, including a seawater intake structure, two outfall diffuser structures, two 14-foot-diameter pipes,  The intake structure and one outfall diffuser will be located approximately 1.3 and 1.8 miles southeast of San Jose Island, respectively, in the Gulf at depths of approximately -35 and -37 feet mean lower low water (MLLW), respectively.  Approximately 6.7 miles of 14-foot-diameter pipelines will be installed by subterranean tunnel boring machine (TBM).  Muck soils removed during tunneling will be maintained onsite in uplands during construction and dewatered similarly to dredge material, with a dewatering outfall structure into Redfish Bay adjacent to Aransas Channel.  Once sufficient dewatering has occurred the material will be used onsite as upland grading material.  Marine life protection screens and a return channel are included to mitigate marine fauna impacts.

The finished water pipeline is proposed to include parallel pipes of 48 - 52” diameter installed by upland open trenching and micro tunneling and/or horizonal directional drilling (HDD) below marine wetlands, open water, and sand/mud flats.  The finished water pipeline will connect to an existing Aransas Pass, Texas, water distribution infrastructure.  Additionally, Harbor Island has existing tie-in infrastructure to an active Nueces County Water Control and Improvement District 4 (NCWCID #4) 12-inch freshwater pipeline that leads to Port Aransas and Mustang Island, Texas.