Does Creek 3-1d (t40n, R15e) hold wild trout?

Yes. The state classifies Creek 3-1d (t40n, R15e) as Class I (wild, self-sustaining) across 0.25 miles of stream. That classification means natural reproduction, not stocking. Source: Wisconsin DNR Classified Trout Streams.

Creek 3-1d (t40n, R15e)

Wisconsin. Classified Class I (wild, self-sustaining) by the state across 0.25 miles.

State Trout Classification

Classification	Class I (wild, self-sustaining)
Classified length	0.25 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.