An official website of the United States government
Here's how you know
Official websites use .mil
A
.mil
website belongs to an official U.S. Department of Defense organization in the United States.
Secure .mil websites use HTTPS
A
lock (
lock
)
or
https://
means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.
Skip to main content (Press Enter).
US Army Corps of Engineers
Pittsburgh District Website
®
Missions
Emergency Management
Flood Preparedness
GIS Mapping
Navigation
Locks and Dams
Allegheny River Locks and Dams
Monongahela River Locks and Dams
Ohio River Locks and Dams
Navigation Charts
Hydrographic Survey Data
Navigation Notices
Planning, Programs & Project Management
How We Can Help
Project Review Plans
Environmental Documents
Silver Jackets Program
Interagency & International Services (IIS) Programs
Key Projects
Emsworth Locks & Dams Major Rehabilitation Project
Kinzua Master Plan Update
Lower Mon Project
Monongahela River Watershed Assessment
Shallow Land Disposal Area
Shoreline Management Program
Upper Ohio Navigation Project
Water Control Manuals
Tar Pamlico Feasibility Study
Recreation
Lakes
Berlin Lake
Berlin Lake Master Plan Update
Conemaugh River Lake
Loyalhanna and Conemaugh River Lakes Master Plan
Crooked Creek Lake
East Branch Clarion River Lake
Kinzua Dam & Allegheny Reservoir
Kinzua Master Plan Update
Loyalhanna Lake
Loyalhanna and Conemaugh River Lakes Master Plan
Mahoning Creek Lake
Mahoning Creek Lake Master Plan
Michael J. Kirwan Dam & Reservoir
Michael J Kirwan Dam and Reservoir Master Plan
Mosquito Creek Lake
Mosquito Creek Lake Master Plan
Shenango River Lake
Shenango River Lake Master Plan
Stonewall Jackson Lake
Tionesta Lake
Tygart Lake
Tygart Lake Master Plan Update
Union City Dam
Woodcock Creek Lake
Woodcock Creek Lake Master Plan
Woodcock Creek Lake Leasing/Development Opportunity
Youghiogheny River Lake
Youghiogheny Master Plan
Reservoir Master Plans
Firearms / Fireworks Policy
Real Estate
Acquisition
Management and Disposal
Outgrant FAQ
Regulatory
FOIA
Kinzua Dam Cemetery Relocations
Kinzua Preconstruction Photos
Forms and Publications
Jurisdictional Determinations
Monthly Public Notices/WRDA 214 Reviewed
Public Notices
Water Management
Links of Interest
Reservoir Pools and Releases
Reservoir Forecast
Water Quality
Media
Images
Library
News Releases
News Stories
Videos
Social Media
Business With Us
Contracting
Equal Employment Opportunity
Small Business
Locations
USACE Locations
Careers
About
District Map
History
Pittsburgh District 150th Anniversary
Leadership
Mission and Vision
Contact
RSS
Home
/
Media
/
News Stories
News Story Archive
2023 (32)
2022 (24)
2021 (28)
2020 (14)
2019 (8)
2017 (10)
2016 (18)
2015 (18)
2014 (38)
2013 (7)
2012 (1)
Results:
Tag:
Secant
Clear
January
30
Jan 2023
Underwater wall construction serves as a stepping stone for major navigation construction project on Ohio River
Imagine a retaining wall made of columns built into the bedrock of the Ohio River. The wall is only 50 feet long, but it pierces 25 to 40 feet into the ground -- completely underwater.