Big Tank is a reservoir in Arizona, near Pinal County.
Big Tank in the northern part of Pinal County is a reservoir in Arizona and covers about 1 acres, reaches about 9 feet at its deepest point and holds roughly 4 acre-feet.
On a water as small as Big Tank, one weed edge or deeper pocket can hold much of the day’s activity. Keep the first check on Big Tank simple: this water is shallow, so weeds, wind, and water color can matter more than depth alone.
The early check on Big Tank should stay simple: the fish mix here is not confirmed, so check fresh local information before choosing a target or keeping a catch.
While fishing Big Tank, 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.
When the bite is slow on Big Tank, make one shallow pass and one deeper pass on the same shoreline; that shows whether fish are tight to cover or using the first break.
For an first pass, early in the year, protected water and the first warm afternoon can be the strongest clues; as the water heats up, check deeper edges without assuming every fish is on the bottom; cooling fall water often makes points and firm banks useful again.
Before changing spots on Big Tank, 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.
On Big Tank, 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.
Explore nearby waters, including local Featured destinations. Check each page for access and fishing restrictions.
Distances are straight-line estimates between mapped water locations.