Cagles Mill Lake Master Plan Update

Louisville District
Published April 16, 2024

Cagles Mill Lake Master Plan Update


Aerial view of the dam at Cagles Mill Lake in Poland, Indiana.
Aerial view of the dam at Cagles Mill Lake in Poland, Indiana.
Aerial view of the dam at Cagles Mill Lake in Poland, Indiana.
Cagles Mill Lake
Aerial view of the dam at Cagles Mill Lake in Poland, Indiana.
Photo By: USACE
VIRIN: 240116-A-A1409-1005

The Louisville District hosted a Public Workshop for the Cagles Mill Lake Master Plan Update May 9, 2024.

Public input is critical in the Master Plan update process. If you have any questions or want to submit comments, scan the QR code or click the button below.

QR code to submit comments for Cagles Mill Master Plan Update

General Information
The U.S. Army Corps of Engineers (USACE), Louisville District, is revising the Cagles Mill Lake Master Plan. The Master Plan is intended to serve as a comprehensive land and recreational management plan with a life span of 25 years. It guides the stewardship of natural and cultural resources and the provision of outdoor recreation facilities and opportunities to ensure sustainability of federal land associated with Cagles Mill Lake.

About Cagles Mill Lake
Cagles Mill Lake was authorized under the Flood Control Act of 1938. The Louisville District of the U.S. Army Corps of Engineers designed, built, and operates the project primarily for flood control in the Eel and White river watershed and forms an integral unit of the comprehensive flood control plan for the Ohio and Mississippi rivers. The lake lies in Putnam and Owen counties in south-central Indiana, approximately midway between Indianapolis and Terre Haute. The dam is located on Mill Creek 2.8 miles above its mouth. The 1,400-acre Cagles Mill Lake provides a wide variety of outdoor recreational opportunities. The Corps, in cooperation with the Indiana Department of Natural Resources, manages Cagles Mill Lake’s land and water for wildlife, fisheries and recreation. 

What is a Master Plan?
A Master Plan is the document that conceptually establishes and guides the orderly development, administration, maintenance, preservation, enhancement, and management of all natural, cultural, and recreational resources of a Corps water resource project.  A Master Plan is a land use management document.  It is focused on the operations and maintenance of an existing project and is no longer a “new project” document.   Master Plans do not include water management operations and associated prime facilities (dam, gates, powerhouses, spillways, etc.).  Of critical importance is the need to emphasize that a Master Plan is stewardship driven and must seek to balance recreational development and use with protection and conservation of natural and cultural resources. 

Why do we need a new Master Plan?
The current Cagles Lake Master Plan was completed in 1979, and has been used as a guide for recreational and environmental stewardship decisions. The Plan and the land classifications are in need of revision to address changes in regional land use, population, outdoor recreation trends and USACE management policy. Key topics to be addressed in the revised Master Plan include revised land classifications, new natural and recreational resource management objectives, recreation facility needs and special topics such as invasive species management and threatened and endangered species habitat. Public participation is critical to the successful revision of the Master Plan.

Public Involvement in Master Planning Process
Public participation will be a priority in the current Master Planning process.  We will be seeking public input from key stakeholders and partners.  In addition, open houses or public meetings will also be utilized to gather input from the general public.  We really want to know what you want, what your vision is for the future management of recreation and environmental stewardship programs might be, etc.  

Master Plan Classification
The master plan identifies classification (i.e. zoning) for the lakes. Public lands are allocated and classified into management categories which, based upon resources available and public needs, will provide for full utilization while protecting project resources. This zoning determines what types of development are permitted – for instance campgrounds are permitted in intensive use areas but not wildlife management zones.  The original Master Plan used slightly different zoning terminology than the new plan will use and also included detailed construction diagrams for campgrounds, picnic areas etc., and this level of detail will not be outlined in the new plan.

We will again re-assess the project’s environmental attributes, public needs, etc. but will not be producing detailed site designs.  Instead the focus will be on gathering public input and developing detailed natural resource inventories to guide in reassessing the future recreational needs and desired future conditions for natural resources.


  • (links coming soon)

*If you are looking for a document that you cannot locate on this page, please email

Master Planning Process

Master Planning Process

Louisville District Public Affairs
Project Delivery Team