Information related to Harmful Algal Bloom (HAB) signs.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Harmful Algal Bloom (HAB) sign from Indiana (PDF)(1 pg, 230 K, EPA 820-F17-010)
- Universal, standardized signage from Nebraska (PDF)(1 pg, 104 K, July 2017, EPA 820-F-17-013)
- Health Alert from Wisconsin (PDF)(1 pg, 220 K, July 2017, EPA 820-F-17-011)