These fact sheets provide background information and contaminant list information about the third Unregulated Contaminant Monitoring Rule (UCMR 3).
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UCMR3 Fact Sheet: Searching for Emerging Contaminants in Drinking Water (PDF)(2 pp, 221 K,
May 2012,
EPA 815-F-12-002)
General background information for UCMR 3.
- UCMR 3 Fact Sheet for Assessment Monitoring (List 1 Contaminants) (PDF)(4 pp, 538 K, May 2016, 815-F-16-003)
- UCMR 3 Fact Sheet for Screening Survey Monitoring (List 2 Contaminants) (PDF)(3 pp, 452 K, May 2016, 815-F-16-002)
- UCMR 3 Fact Sheet for Pre-Screen Testing (List 3 Contaminants) (PDF)(2 pp, 217 K, May 2016, 815-F-16-001)