Harmful Algal Bloom Monitoring App

Statewide monitoring stations, as well as advisories and watches, can now be viewed on the GIS Harmful Algal Bloom Monitoring App.

Simply click on a highlighted waterbody to learn more about advisories/watches at that location or use the search feature to locate specific waterbodies on the map. The "About" pop-up provides more guidance on what advisories are as well as additional resources for more information. 

Available Data

To automatically download and Excel spreadsheet of ALL DHEC microcystin data Sample Results (physical/chemical metadata) from the Water Quality Portal click this Query.

To automatically download and Excel spreadsheet of additional sample location details describing where the data were collected Site (Station) Data Only click this Query.