There are several lakes named Mud Lake within the U.S. state of Iowa.
Mud Lake is a lake on the Clay-Palo Alto County line. 43.1892°N -94.915°W
Mud Lake is a lake in southeastern corner of Clay County. 42.9311°N -94.9317°W
Mud Lake State Wildlife Management Area is on this site.
Mud Lake is a bay along the Mississippi River in Peru Township of Dubuque County. 42.6128°N -90.7025°W
It was a lake until Lock and Dam No. 11 flooded the banks of the river. This former lake is part of the Upper Mississippi River Wildlife and Fish Refuge.
Mud Lake is a lake in Monroe Township of Linn County. 42.0658°N -91.7739°W
It is an Oxbow lake of the Cedar River. The lake is within the Chain Lakes Game Management Area.