Diamond Lake

Seward Township, IN
Lake Facts

Overview Information

Lake Size

79 Acres

Max Depth

35 Feet

Watershed Size

2780 Acres


Michaels Ditch from South


Michaels Ditch to East


Public; Easement between 5323 and 5333 Warren Ave.


Fish, Boat

Lake Bottom

Clay, Gravel, Muck, Marl, Sand

Best Fishing

Black Crappie, Bluegill, Catfish, Largemouth Bass, Yellow Perch

Lakefront/ Channelfront Total Gross Assessed Value


Boating Restrictions

10mph Speed Limit

Data and research

Diamond Lake

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 Diamond Lake.


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