The fire broke out around 4:30 p.m. Monday. The fire burned primarily in cattails and marsh grass, the DNR said.

In an update late Tuesday morning, the DNR said the 750-acre Big Island Fire in the White River Marsh State Wildlife Area in Green Lake County is now 100% contained as of midnight.

Wisconsin's DNR is responding to a 720-acre wildfire in Green Lake County. No injuries or property damage reported.