12-Digit Watershed Map
Lilly Center for Lakes & Streams
Oswego Lake
Plain Township, IN
Lake Facts
Overview Information
Lake Size
78 Acres
Max Depth
37 Feet
Average Depth
13.7 Feet
Watershed Size
72847 Acres
Inlets
Flow from Lake Tippecanoe
Outlets
Flow south to Tippecanoe River
Access
Public; enter through Grassy Creek access; 1 mi S. of N Webster on SR 13, 2 mi W on Armstrong Rd
Recreation
Boat, Fish, Ski
Lake Bottom
Clay, Gravel, Muck, Sand
Best Fishing
Black Crappie, Bluegill, Redear, Catfish, Largemouth Bass, Northern Pike, Rock Bass, Yellow Perch
Lakefront/ Channelfront Total Gross Assessed Value
Tippecanoe Chain (Tippe, James, Oswego)- $343,875,500
Data and research
Oswego Lake
Maps
Original Research from the Lilly Center
2023 Beneath the Surface
Lilly Center for Lakes & Streams
Beneath the Surface will equip you with information that will give your family, organization or agency the ability to care for Oswego Lake.
2021 Beneath the Surface
Lilly Center for Lakes & Streams
Beneath the Surface will equip you with information that will give your family, organization or agency the ability to care for Oswego Lake.
2021 Your Lake, Your Story
Lilly Center for Lakes & Streams
Your Lake, Your Story tells the story of seven lakes (including the Tippecanoe chain) from the perspective of 15 families that are much like yours. After reading these books, you’ll know fascinating trivia and have home-grown recipes. Woven throughout, you’ll find original Lilly Center research about the lakes’ health.
2017 Your Lake, Your Story
Lilly Center for Lakes & Streams
Your Lake, Your Story combines scientific data with personal anecdotes to tell the story of your lake.
2015 Beneath the Surface
Lilly Center for Lakes & Streams
This is the original Beneath the Surface report, published in 2015. Learn about your lake’s health and compare it to other lakes in the county.
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.
Need more lake research?
Additional studies and fact sheets are just one click away. Learn about boating, zebra mussels, blue-green algae and more!