Rock Dam Reservoir

Rock Dam Reservoir is a reservoir in San Juan County, Utah and covers about 0.5 acres, reaches about 8.3 feet at its deepest point and holds roughly 1.8 acre-feet.

One weed edge or deeper pocket can hold much of the day’s activity; use a light bait when the water is clear, then repeat the depth that gives the first bite. With little deep water in Rock Dam Reservoir, weeds, wind, and water color can matter more than depth alone.

Fish and Baits

The fish mix here is not confirmed, so check fresh local information before choosing a target or keeping a catch; follow the old channel through the lake, then make short moves after each pass.

Begin with one slow bottom presentation and one moving bait, then let bites show whether fish are holding close to cover or roaming open water; look for a clean edge beside cover, then test the drop before leaving.

How to Read the Water

Do not let the deepest number control the whole day; nearby cover, firm bottom, and food usually matter more than the deepest hole by itself; work a creek turn before a flat bank, then keep one slow bait ready.

Season by Season

Shallow water is worth a careful look in spring and again during fall; bright summer days favor shade, weeds, or deeper breaks; under ice, a small depth change can be more useful than a long move; start near the best mix of cover, then fish the windy and calm sides differently.

A Simple Tackle Plan

A medium spinning rod, 8-pound line, a small box of jigs, a few crankbaits, and a simple bottom rig cover most situations; change depth or speed before changing every piece of tackle; fish where rock meets mud, then pause longer when cold water slows the bite.

Record the wind, water color, productive depth, and cover after a bite; those four notes are more useful on the next trip than a long list of spots that did not produce; check the clean side of wind, then fish the edge from top to bottom.