Cyanophyte counts are important for assessing potential risks to public health and determining the need for recreational water advisories.
- IDEM 2025 Cyanophyte Counts [PDF] (updated August 29, 2025)
- IDEM 2024 Cyanophyte Counts [PDF]
- IDEM 2023 Cyanophyte Counts [PDF]
- IDEM 2022 Cyanophyte Counts [PDF]
- IDEM 2021 Cyanophyte Counts [PDF]
- IDEM 2020 Cyanophyte Counts [PDF]
- IDEM 2019 Cyanophyte Counts [PDF]
- IDEM 2018 Cyanophyte Counts [PDF]
- IDEM 2017 Cyanophyte Counts [PDF]
- IDEM 2016 Cyanophyte Counts [PDF]
- IDEM 2015 Cyanophyte Counts [PDF]
- IDEM 2014 Cyanophyte Counts [PDF]
- IDEM 2013 Cyanophyte Counts [PDF]
- IDEM 2012 Cyanophyte Counts [PDF]
