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NEPA Notices

  • Keystone Dam Safety Modification Study Public Open House Workshops & 30-day Comment Period

    30 Day comment period for Keystone Dam Safety Modification Study begins March 6, 2024 and runs through April 5, 2024 Public open house workshops will be held March 13 and 14 from 4 p.m. to 7 p.m., at the Keystone State Park Community Center 1926 S Highway 151 Sand Springs, OK 74063. This project would raise the height of the Keystone Dam to reduce the risk of overtopping during significant flooding events. This would require the raising of the dam embankments and Highway 151, and the reconstruction of the stilling basin below Keystone Dam.

  • Public Notice Red River Chloride 30 day comment period, public informational meeting

    The Tulsa District, U.S. Army Corps of Engineers established a 30-day public comment period related to closure of the Red River Chloride Control Project in four Texas counties and will host two public meetings to provide an overview of the purpose and scope of the study. The USACE will host informational, open-house style meetings at the Red River Authority of Texas offices in Wichita Falls, Texas, Feb. 26 from 5-8 p.m. and at the Kingston High School cafeteria, Kingston, Oklahoma, Feb. 27 from 5-8 p.m.

  • NOTICE OF PUBLIC OPINIONFort Gibson WMA Shooting Range

    Public notice for proposed shooting range at Fort Gibson Wildlife Management Area Location: Fort Gibson WMA Shooting Range Existing Range Coordinates: 35°57'31.2"N 95°20'04.9"W Proposed New Range Coordinates: 36°04'30.8"N 95°23'02.5"W Purpose: To provide an opportunity for the public to comment, identify specific issues, and/or environmental impacts that can be addressed in the Draft Environmental Assessment for the Oklahoma Department of Wildlife Conservation (ODWC).

  • SWT-2023-365

    Expiration date: 11/17/2023

    Project Description: The application is for the discharge of dredged or fill material consisting of 50 cubic yards (cys) of clay and 12-inch to 18-inch rock riprap into the North Canadian River for the bank stabilization of approximately 1,250 linear feet (lf) of eroded riverbank where the left descending bank of the North Canadian River has migrated northeast.

    Public Notice Document

  • SWT-2023-00283

    Expiration date: 11/3/2023

    The application is to construct the American Heartland Theme Park, a commercial, recreational development to include site grading, roadways, buildings, parking, attractions, and utilities that would result in a placement and/or redistribution of dredge/fill material into Waters of the U.S.

    Public Notice

  • SWT-2018-247

    Expiration date: 10/14/2023

    Work authorized by the proposed GP would be limited to discharges of dredge or fill material into waters of the United States for activities required for the construction, expansion, modification, or improvement of bridge replacement projects (e.g., roads, highways, railways) in waters of the United States, including adjacent wetlands. Bridges authorized by this GP would be subject to the requirements of the enclosed GP 17.

    Public Notice

  • SWT-2022-00319

    Expiration date: 6/21/2023

    The application is to construct a roadway and fence in order to create an enclosure for an Asian Elephant exhibit at the Tulsa Zoo.

    Public Notice

  • Notice of Availability of the Beta Streamflow Duration Assessment Methods for the Northeast and Southeast

    Expiration date: 4/30/2024

    The U.S. Army Corps of Engineers (Corps) Baltimore, Buffalo, Charleston, Chicago, Detroit, Fort Worth, Galveston, Huntington, Jacksonville, Kansas City, Little Rock, Louisville, Memphis, Mobile, Nashville, New England, New Orleans, New York, Norfolk, Philadelphia, Pittsburgh, Savannah, St. Louis, Tulsa, Vicksburg, and Wilmington Districts, and the U.S. Environmental Protection Agency (EPA), Regions 1, 2, 3, 4, 5, 6, and 7 jointly announce the availability of the Beta Streamflow Duration Assessment Methods (SDAM) for the Northeast and Southeast (dated April 12, 2023). The methods are rapid assessment tools to help distinguish between ephemeral, intermittent, and perennial streamflow at the reach scale for the Northeast and Southeast SDAM Regions. The beta SDAMs may help provide technical guidance for identifying waters that may be subject to regulatory jurisdiction under Section 404 of the Clean Water Act; however, these methods do not alter or change the definition of “Waters of the U.S.”

    public notice document

  • SWT-2022-00597

    Expiration date: 3/22/2023

    The application is for the placement of dredged or fill material into the Illinois River. Phase 1 of the proposed project consists of a temporary work platform using gabion wall baskets and riprap. Phase 2 of the proposed project would install backfill rock riprap and retaining wall consisting of concrete using soldier pile wall along the Illinois River. Soldier piled walls are a form of embedded retaining wall that are used to retain the soil behind to allow the ground level in front of the wall to be lowered, the retained height can be increased with the use of propping or anchoring. A temporary buoy system would be used for public safety.

    Public Notice Document

  • SWT-2022-00232

    Expiration date: 3/5/2023

    The application is to construct a commercial development for use as a new showroom, retail center and warehouse facility. This would include the construction of a 43,500 square foot building, outside meeting facilities, a parking lot, and an on-site stormwater detention facility.

    Public Notice

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