https://www.oregon.gov/oha/PH/HEALTHYENVIRONMENTS/RECREATION/HARMFULALGAEBLOOMS/Pages/HarmfulAlgaeBloomsinPrivately-OwnedPondsandLakes.aspx
Oregon Health Authority : Cyanobacteria (Harmful Algae) Blooms in Privately Owned Ponds and Lakes :...
This information is presented in response to questions often asked by people who have found a cyanobacteria, or blue-green algae, bloom in a lake or pond on...
oregon health authorityharmful algae blooms
https://dnr.mo.gov/document-search/harmful-algal-blooms-blue-green-algae-pub3051
Harmful Algal Blooms and Blue-green Algae - PUB3051 | Missouri Department of Natural Resources
harmful algal bloomsblue green algae