Groundwater Technical Memorandums

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• gw2017.05 Policy for Estimating Missing Groundwater Level Record [212KB PDF]
• gw2017.04 Policy and Procedures for Processing and Publishing Discrete Groundwater-Level Records [233KB PDF]
• gw2017.03 Procedures for Processing, Approving, Publishing, and Auditing Time-Series Records for Water Data [157KB PDF]
• gw2017.02 Procedures for Identifying and Documenting Revisions to USGS Water Data [103KB PDF]
• gw2017.01 Clarification of Water Mission Area Policy on Continuous Records Processing of Time Series Data: Categorization of Groundwater, Surface Water, and Water-Quality Sites/Records [261KB PDF]
• gw2016.02 Policy for Documenting, Archiving, and Public Release of Numerical Groundwater Flow and Transport Models [177KB PDF]
• gw2016.01 Water Mission Area Policy on Accepting Furnished Records [70KB PDF]
• gw2015.03 Policy for Quality Assurance Checks of Steel and Electric Groundwater Level Measurement Tapes [195KB PDF]
• gw2015.02 Policy and Guidelines for Archival of Surface-Water, Groundwater, and Water-Quality Model Applications [400KB PDF]
  • Editable Model Archive Verification and Approval Form
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• gw15.01 Update of Policies on Storage, Review, and Publication of Discrete Groundwater-Level Data
• gw12.03 Update of Policy on Review and Publication of Discrete Water Data
• gw12.02 Policy for the release of continuous water-temperature data recorded from secondary sensors at streamgages and wells
• gw12.01 Policy for evaluation of well integrity for water-level measurements - initial application to CBR network wells and test phase for all wells
• gw11.02 Recommended groundwater field procedures for the U.S. Geological Survey
• gw11.01 PROGRAMS AND PLANS—Groundwater Flow and Transport Model Archival
• gw10.01 Update of the National Policy to Archive Borehole-Geophysical Logs
• gw09.03 Groundwater: Ground water versus groundwater
• gw09.02 Establishment of a National Policy to Archive Surface-Geophysical Data
• gw09.01 Update on Guidance for the Preparation, Approval, and Archiving of Aquifer-Test Results
• gw06.03 Guidance for Determining the U.S. Geological Survey Role in Borehole Geophysical Logging
• gw06.02 Policy and Archive Guidance for Ground-Water Data Collection using Handheld Computers
• gw06.01 Storage of Water-Level Data for Ground Water
• gw05.03 Use of the Program HYDRA to Estimate or Modify Unit Values in ADAPS
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• gw05.01 Guidance for Determining the U.S. Geological Survey Role in Artificial Recharge Studies
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• gw03.02 Terminology Used in Studies of the Source of Water to Wells Under Steady-State Conditions
• gw03.01 DATA--Guidance for the Use of the Program HYDRA to Estimate or Modify Edited Unit Values from ADAPS
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• gw00.02 PROGRAMS AND PLANS--Update of the National Policy to Archive Ground Water Flow and Transport Models
• gw00.01 Guidance for Project Activities Involved with Delineation of Wellhead-Protection Areas and Aquifer Vulnerability
• gw98.02 Data Elements for Ground-Water Sites
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• gw97.02 [an error occurred while processing this directive]
• gw97.01 Clarification of policy for using non-U.S. Geological Survey computer programs in ground-water projects
• gw96.04 PUBLICATIONS--Policy on documenting the use of ground-water simulation in project reports
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• gw94.02 Guidance for the preparation, approval, and archiving of aquifer-test results
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• gw91.04 Policy for the documentation of non-U.S. Geological Survey computer programs used for analysis in ground-water projects
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• gw79.04 QUALITY CONTROL -- Documentation of computer programs used for aquifer modeling
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