ASTM D4050
Standard Test Method for (Field Procedure) for Withdrawal and Injection Well Testing for Determining Hydraulic Properties of Aquifer Systems
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About This Item
ASTM D4050 is a field procedure standard for withdrawal and injection well testing used to determine hydraulic properties of aquifer systems. It provides a practical framework for evaluating how groundwater systems respond during testing, helping support site investigation, water-resource studies, and engineering decisions. By focusing on a field method rather than a laboratory process, this standard is especially useful when consistent on-site data is needed for interpretation, comparison, and technical documentation.
Overview of ASTM D4050
The Standard Test Method for (Field Procedure) for Withdrawal and Injection Well Testing for Determining Hydraulic Properties of Aquifer Systems addresses how to perform field testing around wells to estimate aquifer behavior. It is intended to support the collection of data that can be used to evaluate hydraulic properties under test conditions. ASTM D4050 is relevant where measured well response, controlled withdrawal, or injection conditions are used to better understand groundwater movement and system performance.
Common use cases of ASTM D4050
This standard is commonly used in groundwater investigation work where withdrawal or injection tests are performed to assess aquifer characteristics. It may be applied during site characterization, hydrogeologic assessment, well performance evaluation, and planning for water-supply or remediation projects. ASTM D4050 is also useful when test results must be documented in a consistent format for engineering review, technical reporting, or comparison across multiple wells or field locations.
Benefits of using ASTM D4050
Using ASTM D4050 helps improve consistency in field testing and supports more reliable interpretation of aquifer response data. It can aid compliance with project specifications, reduce uncertainty in test execution, and provide a recognized basis for procurement and quality control. For consultants, owners, and project teams, the standard helps align field procedures with a common technical reference, which can reduce risk when hydraulic properties are being evaluated for design or decision-making.
- Field procedure for withdrawal and injection well testing
- Supports aquifer hydraulic property evaluation
- Useful for groundwater and hydrogeologic assessments
- Helps standardize on-site test documentation
- Applicable to well-based performance studies
- Publication Date: 2020-01-22
- Publisher: ASTM
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