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RFP for AEM Survey

Addendum Added May 2nd!

Grant Soil and Water Conservation District, in cooperation with the U.S. Bureau of Reclamation, is soliciting proposals from qualified vendors to conduct an airborne time-domain/transient electromagnetic (AEM) survey to gain information regarding aquifer characteristics in the Upper Mainstem John Day River Valley.


The survey will involve approximately 2,961 ln-kms of data collection; additional information is available in the attached Request for Proposals.


Interested vendors are strongly encouraged to check this site regularly for updates or Addenda up to the final date of proposal submission.  Proposals unaccompanied by required Addenda will not be accepted.

RFP_Upper John Day Basin_GSWCD_AEM Survey Services_FINAL_4-16-2024.pdfADDENDUMNo1-AEMSurveyForUpperJDAquiferCharacteristics_5-2-2024.pdf