Drinking Water CCRs to include Cyanotoxin Monitoring Data

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U.S. EPA UCMR 4 increases public communication on algal toxins

photo of cyanotoxin algal bloom on surface of water body | credit Wiley.comBy 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:

CCRs explain regulated and unregulated contaminants and include a table that summarizes their presence in drinking water, if detected.