Welcome to the Groundwater Retrieval Network (GRN)

The Groundwater Retrieval Network (GRN) reports well information and well sample result data from several DNR databases. GRN can help you find information about an individual well or analyze regional or statewide groundwater conditions.

Retrieval Options:

Search the Well Inventory

Search Sample Analytical Data - Sample History Report

Search Sample Analytical Data - Sample Summary Count Report

Search Nitrate Vertical Penetration Graphs

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