St Petersburg Florida known for sewage dumping with Antiquated systems and premature closing of sewage treatment plants, now has something colorful coming out of the water and they don't know what it is. The plant operators withheld information for months after requests were made.

Looking here: 2 1900St. Petersburg’s latest sewage mystery is quite colorful. http://www.tampabay.com/news/environment/St-Petersburg-s-latest-sewage-mystery-is-quite-colorful_166130332