By July 1, 2020, U.S. community water systems will be required to distribute Consumer Confidence Reports (CCRs) on water quality with respect to on cyanotoxin monitoring.
In anticipation of forthcoming change to the Unregulated Contaminant Monitoring Rule (UCMR), American Water Works Association suggests referring to its May 31, 2019 advisory on microcystins and cylindrospermopsin, in planning for public communication on algal toxins.
Note: AWWA membership is required for access.
Other helpful resources include the following links:
- "What's in my Water?" page on DrinkTap.org
- AWWA and Water Research Foundation publication, A Water Utility Manager's Guide to Cyanotoxins
- "Managing cyanotoxins in public drinking water systems" page on the EPA.gov
CCRs explain regulated and unregulated contaminants and include a table that summarizes their presence in drinking water, if detected.