Browns Creek begins in a valley in Lehman Township, to the southwest of the Huntsville Reservoir.

It flows south-southeast for more than a mile, entering Jackson Township, and its valley becomes slightly deeper.

[4] The peak annual discharge of Browns Creek has a 10 percent chance of reaching 500 cubic feet per second.

However, a large patch of Wisconsinan Ice-Contact Stratified Drift is situated near the creek's middle reaches.

[7] A feature identified by the Federal Emergency Management Agency as an obstruction occurs on Browns Creek in Jackson Township, near a private road.

[6] In 2000, as many as 5500 gallons of gasoline escaped from a ruptured pipeline in the vicinity of the watershed of Browns Creek.

The most affected stream was the tributary of Browns Creek, where dead fish and aquatic wildlife were observed after the spill.