US Army Corps of Engineers
Great Lakes and Ohio River Division Website

The 2018 National Inventory of Dams (NID) is now available! All charts, queries and maps reflect the most current NID database. The NID was populated using the 116th Congressional District information. State and federal dam regulators provided their data from May to November 2018 for inclusion in the 2018 database.
Questions about permits? Find your Regulatory Office by visiting the USACE Regulatory Boundaries Map and typing in your address or zip code.
The Great Lakes Navigation System and its connectivity is vitally important to the Nation's economy. The Soo Locks remain the critical connection between raw materials and manufacturing for the nation. The Detroit District of the U.S. Army Corps of Engineers is proud to operate and maintain the Soo Locks in service to our nation.
The U.S. Army Corps of Engineers is the nation’s leading provider of outdoor recreation with over 400 lake and river projects in 43 states and more than 360 million visits per year. Please be careful in and around the water because even strong swimmers drown. Check out this website to find valuable tips and resources that could save your life or the life of someone you care about.

LRD Latest News

Corps announces Spring 2020 recruitment positions
The U.S. Army Corps of Engineers (USACE) Chicago District will be at the listed career fairs in Spring 2020 actively recruiting for Experienced Professionals (GS 12), Recent Grad (GS 5-12) and Student...
Louisville District honors life, legacy of Martin Luther King Jr.
The Louisville District honored the life and legacy of Dr. Martin Luther King Jr., during an event hosted by the Equal Employment Opportunity (EEO) office Jan. 16, 2020, at the Romano Mazzoli Federal...
NR 20-002: Public input sought on 2020 draft Barkley Shoreline Management Plan
GRAND RIVERS, Ky. (Jan. 17, 2020) — The Lake Barkley Resource Manager’s Office invites the public to attend one of three public workshops and provide input concerning the upcoming Lake Barkley...
Park Rangers promote water safety at Nashville Boat Show
NASHVILLE, Tenn. (Jan. 11, 2020) – Avid boaters and outdoors enthusiasts stopped in at the Nashville Boat Show at the Music City Center in hopes of checking off their list of preseason to-dos, and...
USACE fish biologists look forward to 2020 sampling season
For eight months out of the year, fish biologists at the U.S. Army Corps of Engineers, Chicago District take to the waters of Illinois to monitor fish populations at restoration sites throughout its...


LRD Commander promoted to Major General
Brig. Gen. Toy speaks to a West Point class about leadership.
Brig. Gen. Toy speaking at the Inland Waterways Conference in Cincinnati, OH on March 7, 2017
Brig. Gen. Toy speaks at West Point.
Brig. Gen. Mark Toy, LRD Commander, visits Olmsted Lock and Dam for the first time since taking command in August 2016.
Brig. Gen. Mark Toy receives a briefing on Olmsted Lock and Dam.
Brig. Gen. Toy receives a briefing on Lock and Dam 52.
Brig. Gen. Mark Toy receives a briefing at Olmsted Lock and Dam.
Brig. Gen. Toy visits Olmsted Locks and Dam
Brig. Gen. Toy visits Cincinnati Museum Center
The Great Lakes and Ohio River Division is partnering with the Cincinnati Museum Center to tell the Army Corps of Engineers' story as it relates to the history of the Ohio River and the city of Cincinnati, Ohio.