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East Hawaii Water Quality Advisory for July 26th, 2021

The Department of Health - Clean Water Branch (DOH - CWB) has issued a Brown Water Advisory for the waters of Hilo Bay and the Hāmākua Coast on Hawaii Island.

Published by: HIRSC - Weather Team


A Brown Water Advisory has been issued at Hilo Bay and along the Hāmākua Coast on Hawai‘i Island.

Recent heavy rain has resulted in stormwater runoff entering into coastal waters. The public is advised to stay out of floodwaters and stormwater runoff due to possible overflowing cesspools, sewer, manholes, pesticides, animal fecal matter, dead animals, pathogens, chemicals, and associated flood debris.

Not all coastal areas may be impacted by runoff, however, if the water is brown stay out. Continue to practice good personal hygiene and follow up with your primary care physician if you have any health concerns.

For more information, please see:


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