Built-up storm water has breached through the sand berm at Waimea Bay, discharging turbid waters into the bay.
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The public is advised to stay out of flood waters and storm water runoff to avoid possible overflowing cesspools, sewer manholes, pesticides, animal fecal matter, dead animals, pathogens, chemicals, and associated flood debris.
Authorities said several people contracted leptospirosis, a bacterial disease, while recreating at the discharge site, so stay out.
For more information on leptospirosis go to http://health.hawaii.gov/about/files/2013/06/leptobrochure.pdf.
People are warned to stay out of coastal waters if they are cloudy or brown in color.