Category: Hazards

Unregulated Contaminant Monitoring Rule 5 (UCMR 5) Occurrence Data

U.S. Environmental Protection Agency (EPA), Office of Ground Water and Drinking Water

Commercial
Yes
Format
Several
Coverage
United States and territories (public water systems)
Last updated
Added to findgis 31 Oct 2026 · Update frequency Irregular

The fifth monitoring rule samples contaminants that lack a Safe Drinking Water Act standard, so EPA can see how often they appear.

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Source and attribution

Publisher
U.S. Environmental Protection Agency (EPA), Office of Ground Water and Drinking Water
License
Public domain
Commercial use
Yes
Attribution required
No
Modification allowed
See publisher
Redistribution allowed
See publisher
Share-alike
No
EPA Data License (edg.epa.gov/EPA_Data_License.html): EPA data are U.S. Government works in the public domain unless otherwise noted; no restriction on commercial use.License text
Type
Vector
Time
2023–2025
Extent
-179.217.6-64.571.4West, south, east, north. Approximate region extent.

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