Each grid shows a selected set of responders, as many or as few grids can be place on a page.  The presentation is highly configurable to meet your organization's needs.

The smaller markers on the map represent available water supplies.  In our example, brown represents a dry hydrant and red is a wet hydrant.  Hover and click on the markers for additional information about each.

The black circle centered on the alarm has a radius of 400M.  It is useful for determining as a quick glance what might be a viable water supply.  Or just as important, that there is no water supply within a reasonable distance.