Does Happy Creek hold wild trout?

Yes. The state classifies Happy Creek as Class II (some natural reproduction) across 6 miles of stream. That classification means natural reproduction, not stocking. Source: Wisconsin DNR Classified Trout Streams.

Happy Creek

Wisconsin. Classified Class II (some natural reproduction) by the state across 6 miles.

State Trout Classification

Classification	Class II (some natural reproduction)
Classified length	6 miles

Source: Wisconsin DNR Classified Trout Streams.

Fly fishing rivers →Wisconsin trout water →Wisconsin lakes →

Conditions: USGS NWIS (public domain). Classification: Wisconsin DNR Classified Trout Streams.