Published in 2012, UCMR 3 requires the monitoring of two viruses and 28 chemicals, stated the release.
EPA provides resources on UCMR 3, including the latest update, such as a “Data Summary” in PDF format, a list of U.S. Postal Service ZIP codes for all areas served by a PWS, a “Disinfectant Residual Type” text file and an “Occurrence Data” text file, reported the release.