12-Digit Watershed Map
Lilly Center for Lakes & Streams
Irish Lake
North Webster, IN
Lake Facts
Overview Information
Lake Size
182 Acres
Max Depth
36 Feet
Average Depth
10.7 Feet
Watershed Size
32250 Acres
Inlets
From Banning Lake and Grassy Creek (via Little Barbee)
Outlets
To Grassy Creek (via Sawmill Lake)
Access
Public: 2 mi S of N Webster on SR 13, then W on Rolling Ridge to Rattlesnake Dr. (For whole Barbee Chain); handicap accessible
Recreation
Boat, Fish
Lake Bottom
Marl, Muck, Sand
Best Fishing
Bluegill, Redear
Assessed Value
Barbee Chain – $184,138,500
Boating Restrictions
10 mph speed limit at all times
Data and research
Irish Lake
Maps
Original Research from the Lilly Center
2021 Barbee lakes chain water quality assessment, pre-and post-public sewer installation
Lilly Center for Lakes & Streams
This two-part study investigated lake water quality on the Barbee lakes chain before and after the installation of a public sewer system.
2014 Barbee Lakes Chain Pre-Public Sewer System Study
Lilly Center for Lakes & Streams
This project gives an overall assessment both the Barbee and Chapman lake chains. It establishes baseline conditions for the Barbee Chain before installation of a public sewer system.
2014 Blue-Green Algae Study Final Report & Appendix
Lilly Center for Lakes & Streams
This paper synthesizes three years of blue-green algae research (2010-13) conducted by the Lilly Center. We have continued to study the algae and its toxin in-depth.
2013 Lake Economic Impact Study: Property Value Report
Lilly Center for Lakes & Streams
When combined with additional property taxes generated due to lake presence, the total economic impact of Kosciusko County lakes is more than $313,383,000 annually.
2007 Comparative Water Quality Study
Lilly Center for Lakes & Streams
In 2007, the Lilly Center published this baseline study which compares 30 lakes throughout Kosciusko County.
Need more lake research?
Additional studies and fact sheets are just one click away. Learn about boating, zebra mussels, blue-green algae and more!