SAN FRANCISCO (CBS 5) – Once in a while, you’ll get a whiff of it, and it has nothing to do with the Giants hitting. In this Good Question: What is that smell coming from San Francisco Bay near AT&T Park?

ANSWER: According to Alison Kastama of the Public Utilities Commission, there are a variety of reasons for the smell that often wafts up near AT&T Park. Low tide can create a smell near San Francisco Bay at different times of the year. There is also a sewage treatment plant located near the park that is treated with chlorine to combat smells that often travel through the neighborhood.

(Copyright 2011 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)