To dream that you are taking a shower in clear and fresh water signifies a change in your conscious or unconscious self or the desire to dispose of something unpleasant. It is also representative of your ability to grant absolution.
To dream that you are taking a shower in muddy and dirty water represents hardships and adversity.
To dream that somebody, including yourself, is showering with their clothes on indicates that the person's personality will remain unaffected no matter what they do to alter their image. In addition, your dream may imply that you feel the need to distance yourself from others to ensure your emotional safety.