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Polk County, Minnesota monitoring locations

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    USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

Browse monitoring locations within Polk County, Minnesota

Important
This list uses USGS Water Data OGC APIs. View the Swagger documentation for this API