Signage: Harmful Algal Blooms and Waterborne Pathogens How to download different versions When viewing all versions, go to File > Download > PDF Open your download Print only the page you need Health Watch Signs Full Waterbody Harmful Algae Present Waterborne Pathogens Present Partial Waterbody Harmful Algae Present Waterborne Pathogens Present MORE VERSIONS WITH LOGOS Warning Advisory Signs Full Waterbody Harmful Algae Present Waterborne Pathogens Present Partial Waterbody Harmful Algae Present Waterborne Pathogens Present MORE VERSIONS WITH LOGOS Danger Advisory Signs Full Waterbody Harmful Algae Present Waterbody Closed ENGLISH Waterbody Closed SPANISH MORE VERSIONS WITH LOGOS