On Tue, 24 Jun 2008 17:05:30 -0700, Joe wrote:

I have a city sewer in front of my house that has standing water and has
become a breeding ground for mosquitoes. Is there anything I can add to
the water to negate it as a breeding ground?

usually you can get something free from your city/county to put in there
if they are a known problem for your locality.