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  • Walla Walla District to Reopen Six Recreation Areas

    WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District is reopening of six recreation areas for the fall recreation season beginning in late August and continuing into September.

  • Old Hickory Lock closure scheduled for Aug 27-28

    Old Hickory Lock will be closed to all navigation traffic from August 27–28, 2025, for scheduled maintenance to replace approximately 3,000 gallons of hydraulic oil in the gates and valve cylinders. Normal operations will resume on August 29, with daily hours from 6 a.m. to 2 a.m.

  • USACE successfully closes stuck gate at Dardanelle Lock and Dam

    The U.S. Army Corps of Engineers Little Rock District has successfully closed spillway gate 20 at Dardanelle Lock and Dam on the Arkansas River.

  • MKARNS Nav Notice SWL 25-60 Lock 10 Reopened

    The mechanical issues at Dardanelle Lock (No. 10) NM 205.5 have been resolved and the lock is opened to traffic.

  • Army ROTC Cadets Gain Real-World Experience During USACE Internship

    SAVANNAH, Ga. – Fourteen Army Reserve Officers’ Training Corps (ROTC) cadets from universities across the country spent their summer gaining hands-on experience with the U.S. Army Corps of Engineers, Savannah District, during a summer internship.

  • Corps of Engineers to hold community meeting at Northwood

  • USACE Command Sergeant Major visits the Louisville District

    Earlier this month, U.S. Army Corps of Engineers Command Sgt. Maj. Douglas Galick visited the Louisville District, touring several key projects in the area, Aug. 12, 2025. The day began with an overview of the district’s diverse missions, followed by a visit to McAlpine Locks and Dam in Louisville, Kentucky, where Galick received a site tour of the facility and observed daily operations that keep commerce moving on the Ohio River. He then toured the district’s $930 million mega project—the new Louisville VA Medical Center. As construction crews worked on site, Galick viewed progress on the future healthcare facility for Veterans. The new 104-bed, full-service hospital will serve more than 45,000 Veterans in Kentucky and Southern Indiana, integrating modern, patient-centered design concepts to deliver world-class care.

  • Norfolk District Conducts Pre-Storm Coastal Inspections in Preparation for Hurricane Erin

    The U.S. Army Corps of Engineers, Norfolk District team conducted pre-storm coastal inspections on seven areas of beaches throughout Norfolk and Virginia Beach before Hurricane Erin makes landfall.

  • Evaluating High Water Indicators Along Lake Powell’s Shoreline, Utah-Arizona

    Purpose: This document is a technical note (TN) that outlines how to evaluate physical, chemical, biological, and statistical indicators of the ordinary high water mark (OHWM) for reservoirs of the Arid West, with identification of high water indicators around Lake Powell serving as a case study (Figure 1). The focus of this TN is to describe observed indicators, the processes that shape them, and how to put the information in context based on past and present water levels. It can be particularly complicated to evaluate evidence of OHWM in arid west lakes, because of the years of drought that has occurred in this region, leaving indicators high and dry over years. Therefore, this TN also provides information on how to apply the same weight-of-evidence (WoE) approach that was introduced for OHWM delineation in rivers and streams by David et al. (2025) to arid west lakes and reservoirs. Lake Powell is used as a case study to show how to interpret the indicators along the lake and evaluate the relevance, strength, and reliability of these indicators in relation to high water stage in the lake.

  • Local Integrated-Technology Energy System to Meet Operational Needs (LITES ON) Project

    Abstract: The ability to reliably charge battery systems, whether for vehicles, mission support equipment, or stationary purposes, is especially important in remote and cold regions. The US Army Cold Regions Research and Engineering Laboratory (CRREL) project team evaluated and documented the performance of potential photovoltaic (PV) battery charging configurations (e.g., controller component) for use in such regions, especially as backup alternatives to other grid-connected charging stations that support Army installations, with a unique focus on the power electronics components of the system. In addition to its potential to support building energy resilience, this work complements other work that considers electrification of the DoD fleet of vehicles and the needed grid-connected infrastructure. This work adds to the growing information available on lithium ion (Li-ion) battery performance in cold regions by monitoring the battery performance as part of the test configuration. The results help better inform design and performance requirements needed for cold regions applications as well as the acquisition of such systems.