ASTM D5473/D5473M
Standard Practice for (Analytical Procedures) Analyzing the Effects of Partial Penetration of Control Well and Determining the Horizontal and Vertical Hydraulic Conductivity in a Nonleaky Confined Aquifer
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About This Item
ASTM D5473/D5473M is the ASTM standard that outlines analytical procedures for evaluating the effects of partial penetration of a control well and for determining horizontal and vertical hydraulic conductivity in a nonleaky confined aquifer. It is used when groundwater testing requires a disciplined way to interpret well performance and aquifer response. By focusing on these measurements, ASTM D5473/D5473M helps support more consistent analysis, better comparison of results, and more dependable engineering decisions.
ASTM D5473/D5473M standard overview
This standard practice addresses a specialized groundwater analysis problem: how partial penetration of a control well can influence test interpretation in a confined aquifer that is nonleaky. The procedures are intended to help determine both horizontal and vertical hydraulic conductivity from observed conditions. For users working with aquifer testing data, the document provides a technical framework for evaluating flow behavior with greater consistency. As an ASTM standard, it serves as a practical reference for applied hydrogeologic analysis.
Where is ASTM D5473/D5473M used?
ASTM D5473/D5473M is commonly used in groundwater investigation and aquifer testing workflows where a control well is not fully penetrating the confined aquifer. It is relevant to projects that interpret pumping or observation data to estimate hydraulic conductivity values for subsurface characterization. The standard may be applied by hydrogeologists, environmental engineers, and other professionals who need a structured analytical approach for confined aquifer assessment. It is especially useful when comparing test results or documenting the basis for technical conclusions.
Practical importance of ASTM D5473/D5473M
The practical value of ASTM D5473/D5473M lies in improving the reliability of aquifer test interpretation. Partial penetration can affect measured responses, so using a recognized procedure helps reduce misinterpretation and supports more defensible results. This matters for compliance, project review, and procurement of technical services where consistent methods are important. For organizations evaluating groundwater conditions, the standard can help strengthen quality control, improve comparability, and lower the risk of decisions based on incomplete analysis.
- Analytical procedures for partial well penetration
- Horizontal hydraulic conductivity determination
- Vertical hydraulic conductivity determination
- Nonleaky confined aquifer analysis
- Groundwater test interpretation reference
- Publication Date: 2020-11-30
- Publisher: ASTM
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