Thirty unregulated contaminants are proposed for new monitoring requirements in the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6). The Safe Drinking Water Act (SDWA) requires the U.S. Environmental Protection Agency (USEPA) to issue a list of unregulated contaminants to be monitored by public water systems once every five years under the UCMR. PROPOSED UCMR 6 Read More
Tag: UCMR6
USEPA Announces CCL 5 Contaminant Regulatory Determinations
The U.S. Environmental Protection Agency (USEPA) announced in mid-March that it will not develop regulations for nine of the 81contaminants listed on the Fifth Contaminant Candidate List (CCL5). The Safe Drinking Water Act (SDWA) requires USEPA to make regulatory determinations every five years on at least five unregulated contaminants. USEPA used a three-phase process to Read More