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Statewide Groundwater Quality Monitoring

Accessing data on groundwater monitoring

Groundwater quality monitoring in different regions of Oregon have been conducted by DEQ for decades. Data from these studies is available in three ways:

Interactive report map 

Use the interactive map above to download reports for your area of interest. You can use the map on this page or open the map in a separate browser for a larger view.

DEQ Laboratory data

Accessing the DEQ Laboratory database using the Ambient Water Quality Monitoring System

Email request

Request a data printout by emailing the program at groundwater.monitoring@deq.oregon.gov.

 Additional resources

Other groundwater studies are available at the Oregon Water Resources Department and through the United States Geological Survey