Big Chapman Lake

Plain Township, IN
Lake Facts

Overview Information

Lake Size

504 Acres

Max Depth

39 Feet

Average Depth

12.5 Feet

Watershed Size

4500 Acres


To Little Chapman Lake


Island Park Drain, Crooked Creek, Arrowhead Park Drain, Highland Park Drain, Lozier’s Creek


Public: 2 mi E of Warsaw on Old 30 to CR 300E then N 3 miles; Handicap accessible


Boat, Ski, Fish

Lake Bottom

Gravel, Muck, Sand

Best Fishing

Bluegill, Catfish, Crappie, Largemouth Bass, Longear, Northern Pike, Redear, Walleye, Yellow Perch

Lakefront/ Channelfront Total Gross Assessed Value

Chapman Lakes – $117,302,100

Data and research

Big Chapman Lake


12-Digit Watershed Map

Lilly Center for Lakes & Streams

See the boundaries of Big Chapman Lake’s watershed.

Watershed map

Aerial Map

Lilly Center for Lakes & Streams

See Big Chapman Lake’s bathymetric map.

Aerial Map

Original Research from the Lilly Center

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 Big Chapman Lake. For instance, we discovered that Big Chapman’s weekly toxin results averaged higher than the past two years – despite the fact that the water was clearer than nearby Big Barbee Lake.

Get the report

2021 Your Lake, Your Story

Lilly Center for Lakes & Streams

Your Lake, Your Story tells the story of seven lakes (including Big and Little Chapman) 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.

Download today

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.

Get the report

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.

Get the study

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.

Get the study

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.

Get the study

    Need more lake research?

    Additional studies and fact sheets are just one click away. Learn about boating, zebra mussels, blue-green algae and more!