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Navigation Notices

MKARNS Nav Notice SWL 26-16 Caution Advisory NM 291.6 I-49 Bridge
4/21/2026
Mariners are advised that bridge construction falsework is located in the river at NM 291.6, downstream of James W. Trimble Lock and Dam (No. 13). These obstructions will be in place intermittently...
MKARNS NAVNOT 26-15 Lock 9 Repair Closure
4/14/2026
Mariners are advised that Arthur V. Ormond (No. 9) NM 176.9 will be closed to traffic beginning at 6:00 a.m. until 6:00 p.m. on April 21st, 2026. The lock closure is required to facilitate ongoing...
MKARNS Nav Notice SWL 26-10 MPLD Reopened - Width Restrictions
2/12/2026
Mongomery Point Lock & Dam (NM 0.5) has reopened to navigation traffic 24-hours per day. However, a 70-ft width restriction remains in place. All mariners are advised to exercise extreme caution when...
MKARNS Nav Notice SWL 26-09 MPLD Partial Lock Reopening - Width Restrictions
2/12/2026
Due to ongoing hydraulic system repairs on the downstream river wall miter gate, Montgomery Point Lock & Dam (NM 0.5) is operating under the following restrictions until further notice:•...
MKARNS Nav Notice SWL 25-72 Lock 10 Intermittent Delays
10/21/2025
Mariners should expect to experience intermittent delays at Dardanelle Lock (No. 10) NM 205.5 on October 27th, 2025 – October 30th, 2025, between the hours of 6:00 a.m. and 4:30 p.m. The intermittent...
MKARNS Nav Notice SWL 25-71 UPDATED Lock 10 Closure Notice
9/30/2025
Mariners are advised that the partial lock closure at Dardanelle Lock (No. 10) NM 205.5 has been extended through October 24th, 2025...
MKARNS Nav Notice SWL 20-70 UPDATED Lock 13 Closure Notice
9/25/2025
Update to navigation notice SWL 25-68. Mariners are advised that the partial lock closure at James W. Trimble Lock (No. 13) NM 292.8 has been extended through October 25th, 2025...
MKARNS Nav Notice SWL 25-69 Caution Advisory MPLD DS Approach
9/24/2025
Mariners are advised that significant shoaling has occurred in the downstream approach at Montgomery Point Lock and Dam (NM 0.5). Crews are onsite performing dredging and clamming operations, and the...
MKARNS Nav Notice 25-68 UPDATE: SCHEDULED LOCK 13 CLOSURE NOTICE
9/24/2025
Mariners are advised that the partial lock closure at James W. Trimble Lock (No. 13) NM 292.8 has been extended through October 18th, 2025. During this time, the Lock will be closed daily (Monday thru...
MKARNS Nav Notice 25-67 MPLD Nav Pass Closed
9/11/2025
Due to falling river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is in operation and the navigation pass is closed. All vessels are required to pass through the lock...
MKARNS Nav Notice SWL 25-66 Lock 8 Tow Haulage Return to Service
9/5/2025
The tow haulage equipment at Toad Suck Lock (No. 8) NM 155.9 has returned to service...
MKARNS Nav Notice SWL 25-65 Caution Advisory NM 291.6 I-49 Bridge
9/4/2025
Mariners are advised that work/crane barges will be positioned outside the left descending navigation channel beginning on or around September 17, 2025, for the start of construction of the...
MKARNS Nav Notice SWL 25-64 Sailing Instructions NM 237.1 to 238.1
9/3/2025
Due to shoaling, mariners are advised that until further notice, both upbound and downbound tows should favor the red buoys from NM 237.1 to 238.1...
MKARNS Nav Notice SWL 25-61 Lock 9 Sailing Instructions Lifted
8/25/2025
The sailing instructions for the downstream approach to Arthur V. Ormond Lock (No. 9) NM 176.9, noted in Nav Notice SWL 24-19 have been lifted...
MKARNS Nav Notice SWL 25-60 Lock 10 Reopened
8/22/2025
The mechanical issues at Dardanelle Lock (No. 10) NM 205.5 have been resolved and the lock is opened to traffic...

Tulsa Navigation Notices

Fort Worth District News

U.S. Army Corps of Engineers encourages visitors to make water safety a priority this summer
5/21/2026
As Americans head to lakes and rivers for the 2026 recreation season, the U.S. Army Corps of Engineers is reminding everyone to make water safety part of every outdoor adventure...
Canyon Lake Announces Transition of North Park to Day-use
5/13/2026
Officials with the Fort Worth District, U.S. Army Corps of Engineers, have announced North Park will transition from a primitive camping area to a day-use only park, effective immediately...
Fort Worth District announces new commercial concession lease at Stillhouse Hollow Lake
4/22/2026
The U.S. Army Corps of Engineers, Fort Worth District has executed a commercial concession lease with Stillhouse Hollow Marina and RV Resort to manage and operate the Stillhouse Hollow Park and Marina...
Lavon Lake Announces Major Changes to Lavon Lake’s Recreation Areas
4/7/2026
Officials with the U.S. Army Corps of Engineers' Fort Worth District at Lavon Lake announce they have finalized the study to determine how to improve recreation facilities at Lavon Lake...
U.S. Army Corps of Engineers' Fort Worth District to host Regulatory Transformation Workshop
3/24/2026
The U.S. Army Corps of Engineers Fort Worth District Regulatory Division will host a one-day Regulatory Transformation Workshop in Dallas, bringing together federal, state and local partners, industry...

Galveston District News

USACE, Harris County complete White Oak Bayou project in northeast Houston
4/8/2026
The U.S. Army Corps of Engineers (USACE) Galveston District and the Harris County Flood Control District joined elected officials and community partners Thursday to celebrate the completion of the...
U.S. Army Corps of Engineers seeks public comments on potential future changes to the nationwide permits
3/19/2026
The U.S. Army Corps of Engineers announced on March 16 that it is seeking input from all interested parties on ways to increase the efficiency of the nationwide permit program...
USACE Galveston District highlights potential for improved support for the navigation and federal waterways mission.
2/23/2026 UPDATED
The Assistant Secretary of the Army for Civil Works (ASA CW) Adam Telle announced a major initiative, “Building Infrastructure, Not Paperwork,” for the U.S. Army Corps of Engineers (USACE) Civil Works...
Army Civil Works Sec. Telle Visits Port of Houston
1/23/2026 UPDATED
The Assistant Secretary of the Army for Civil Works (ASA CW) The Honorable Adam Telle visited the Port of Houston Authority as part of his first official visit to the U.S. Army Corps of Engineers...
USACE announces finalization of nationwide permits
1/8/2026 UPDATED
The U.S. Army Corps of Engineers (USACE) announced today that it will reissue 56 existing nationwide permits and issue one new permit for work in wetlands and other waters that are regulated by...

Little Rock District News

USACE to temporarily close “A” area at Springhill Park
5/21/2026
The U.S. Army Corps of Engineers will temporarily close the “A” Area at Springhill Park including group shelters 1, 2 and 5, June 8 through Sept. 21 for paving and electrical upgrades...
USACE reminds everyone to be water safe this Memorial Day weekend
5/19/2026
The U.S. Army Corps of Engineers is reminding everyone to practice good water safety habits over the upcoming Memorial Day weekend...
Beaver Lake Dam to begin releases from conduit
5/13/2026
The U.S. Army Corps of Engineers Beaver Lake Project Office will open the conduit at Beaver Dam from 10 a.m. to 5 p.m. beginning May 14 to evacuate flood storage and support downstream fisheries...
Curtis named chief of Programs and Project Management for USACE Little Rock District
5/12/2026
Dr. Darrin Curtis was recently named deputy for Programs and Project Management and chief of the Programs and Project Management Division for the U.S. Army Corps of Engineers Little Rock District...
Table Rock Dam spillway gates to open intermittently for routine inspections
5/12/2026
The U.S. Army Corps of Engineers Table Rock Project Office will intermittently open spillway gates at Table Rock Dam May 12-13 to allow work boats access to the dam for routine underwater inspections...

Tulsa District News

  1. Tulsa District emphasizes safety ahead of the Memorial Day weekend

    TULSA, Okla. – Col. Jessica Goffena, commander, U.S. Army Corps of Engineers, Tulsa District, participated in the annual Safe Kids news conference May 22 ahead of the Memorial Day weekend. The event emphasized staying safe during what many people refer to as the “100 deadliest days of summer,” which fall between Memorial Day and Labor Day.
    5/22/2026

  2. Kaw Lake staff celebrates 50 years of service

    TULSA, OK – The U.S. Army Corps of Engineers, Tulsa District, joined community partners and stakeholders to commemorate the 50th Anniversary of Kaw Lake during a ceremony at the Kaw Lake Overlook near Ponca City, Okla., May 14.
    5/19/2026

  3. Tulsa District celebrates National Safe Boating Week

    TULSA, Okla. – In recognition of National Safe Boating Week, May 16–22, The U.S. Army Corps of Engineers, Tulsa District, is reminding all recreational boaters to prioritize safety as they return to the water this season.
    5/18/2026

  4. USACE hosts public meeting on Tulsa-West Tulsa Levee Safety Project

    TULSA, Okla. – The U.S. Army Corps of Engineers, Tulsa District, provided updates on the Tulsa-West Tulsa Levee Safety Project during a community meeting Thursday, April 30, at the Common Good, Northwest Hub.
    5/1/2026

  5. Community meeting to provide updates about Tulsa-West Tulsa Levee Project

    The U.S. Army Corps of Engineers, Tulsa District will provide updates about the Tulsa-West Tulsa Levee Safety Project during a community meeting, 6 p.m. Thursday, April 30. Address: The Common Good, Northwest Tulsa Hub 19 S. 49th W. Ave.
    4/28/2026

  6. U.S. Army Corps of Engineers announces day-use fees at Big Hill Lake

    TULSA, Okla. —The U.S. Army Corps of Engineers, Tulsa District will begin collecting day-use fees at Timber Hill and Mound Valley boat ramps at Big Hill Lake near Cherryvale, Kan., May 1.
    4/27/2026

  7. Divers help remove damaged trash rack at Arcadia Lake

    TULSA, Okla. — The U.S. Army Corps of Engineers, Tulsa District, and a team of divers removed a portion of a damaged trash rack during a specialized underwater operation at Arcadia Lake in Oklahoma March 6.
    3/13/2026

  8. From backyard forts to global deployments

    TINKER AIR FORCE BASE, Okla.—Before he even understood the engineering behind it, Stephen Sewell loved to build. From an early age, models, forts and nearly anything that required instructions caught his attention.
    2/27/2026
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Division Feature Stories

Engineering Readiness: Building Relationships Before Crisis
5/15/2026
The rain didn’t arrive all at once. It built, hour by hour — an unrelenting drumbeat against rooftops, roadways, and the rising surface of the reservoir. What began as a forecast turned into a threat,...
Little Rock District USACE breaks ground on $74 million F-35 academic training center at Ebbing Air National Guard Base
5/8/2026
The U.S. Army Corps of Engineers Little Rock District broke ground May 6 on a $74 million academic training center at Ebbing Air National Guard Base, advancing the base's transformation into a...
James W. Trimble Lock and Dam: More than 50 years supporting navigation
5/8/2026
The James W. Trimble Lock and Dam is one of 18 navigation locks and dams that make up the McClellan-Kerr Arkansas River Navigation System. Authorized by Congress through the River and Harbor Act of...
A Mission Built on Service and Readiness
5/4/2026
The U.S. Army Corps of Engineers’ Fort Worth District stands as a critical component of the nation’s disaster response and recovery framework, demonstrating how engineering expertise and a culture of...
Blue Mountain Lake drawdown begins May 1
5/1/2026
The U.S. Army Corps of Engineers Little Rock District and the Arkansas Game and Fish Commission will begin lowering Blue Mountain Lake May 1 to support habitat improvement efforts for fish and...
Groundbreaking Ceremony Marks New Era in Agricultural Biosecurity at Moore Air Base
4/21/2026
On April 17, 2026, leaders from the U.S. Army Corps of Engineers and the U.S. Department of Agriculture gathered alongside federal, state, and local partners to break ground on a critical new facility...
U.S. Army Engineers Conduct Bridging Exercise at Bardwell Lake
4/14/2026
Soldiers from the U.S. Army Reserve’s 401st Engineer Company spent the weekend of March 26-29 at Bardwell Lake conducting a multi‑day bridging exercise designed to train new troops and refresh skills...
Agencies Join Forces to Build Mile-Long Firebreak After Near-Miss Blaze in Harker Heights
4/9/2026
After a wildfire at Dana Peak Park crept dangerously close to homes in Harker Heights, local, state and federal agencies partnered to build a large-scale firebreak aimed at protecting neighborhoods...
Laying the Future of Barracks Construction
4/1/2026
In the high desert of West Texas, a milestone in military construction and innovation took shape under the dusty sky at Fort Bliss as leaders, engineers, soldiers, and contractors gathered for the...
Mapping the District’s Future - Cartography
2/12/2026
In a utilitarian structure of reinforced concrete, a bastion of pragmatism near the Trinity River, there worked a group of government employees, cartographers not of lands, but of interventions. They...
Little Rock District Hydropower Delivers Critical Energy During Winter Storm 2026
1/30/2026
As Winter Storm 2026 pushed energy demand to its highest levels of the season, the U.S. Army Corps of Engineers Little Rock District played a key role in keeping power flowing across the region...
USACE, Air Force Celebrate Ribbon Cutting of Net Zero Facility at AFPC
1/1/2026
The U.S. Army Corps of Engineers and the U.S. Air Force marked a milestone with a ribbon-cutting ceremony for a new two-story net zero addition to the Air Force's Personnel Center, Dec. 4, 2025...
Building the Future: Military Construction Program in Texas
12/19/2025
The U.S. Army Corps of Engineers has long been a cornerstone of military readiness, and nowhere is this more evident than in Texas. With its vast landscapes and strategic importance, the region hosts...
Brig. Gen. Kenneth N. Reed retires after 38 years of service
12/3/2025
Brig. Gen. Kenneth N. Reed didn’t just build projects with the U.S. Army Corps of Engineers — he built teams, trust, and a legacy that spans generations and continents...
Under the Surface, Above the Standard: The Fort Worth District Drill Crew
12/2/2025
Before a single foundation is poured or a building takes shape, the ground beneath must be understood. That is where the U.S. Army Corps of Engineers’ Fort Worth District drill crew comes in. Their...
Topping Off and Giving Back
11/24/2025
The air over the construction site was crisp, carrying the familiar scents of wet concrete, diesel, and fresh steel. For months after the groundbreaking for the Veterans Administration’s El Paso...
Ricardo Martinez: Celebrating 50 Years of Federal Service
11/14/2025
After five decades of dedicated service, Ricardo Martinez is retiring—and what a journey it’s been. From living in U.S. Army barracks to working in U.S. Army Corps of Engineers’ offices, his story is...
Veterans Find Camaraderie and Gators on Fort Worth District’s Lake
9/25/2025
As the sun rose over the swampy brown waters of B.A. Steinhagen Lake on Sept. 13, four veterans and their support crews loaded boats in anticipation of a weekend filled with adrenaline, camaraderie...
SWG Champion Earns USACE Engineer of the Year Honors
8/20/2025 UPDATED
Dr. Mohammad “Shahidul” Islam, Ph.D., P.E., BCWRE, a subject matter expert in the Hydrology & Hydraulic Branch of the U.S. Army Corps of Engineers (USACE) Galveston District, has been named Engineer...
Teamwork and Mentorship in the U.S. Army Corps of Engineers
8/19/2025
In the high-stakes world of the U.S. Army Corps of Engineers, where infrastructure projects and disaster response demand precision and innovation, Jennifer Plair, a civil engineering technician at...