Culvert / Storm-Drain Inflow: How fish use this kind of structure

Inflow does not automatically mean clean, high-oxygen, and loaded with fish

A culvert or drain can bring current, temperature differences, and food, but it can also deliver pollution, chocolate milk water, and trash. First check water color, smell, foam, and posted notices; when anything looks off, don’t use “inflows fish well” as a reason to keep fishing. Changing flow rates can also rapidly change safety conditions.

In normal, fishable situations, focus on both sides of the current tongue, the outside shoulder of the scour hole, and the clean-dirty edge. The pipe mouth is only the starting point; the true holding spot may be some distance away.

Specific fish-holding positions →