Keywords characteristic curve pumping test equipmentfield techniques. Pumping test analysis in a fractured crystalline bedrock h. Bulletin 49 state of illinois department of registration and education selected analytical methods for well and aquifer evaluation by william c. The project team must have an accurate wrist watch or stop watch. Analysis and evaluation of pumping test data second edition completely revised g.
During the pumping test and after the test, data were collated and analysed to determine the following hydraulic parameters. Interpretation of pumping tests in a mixed flow karst system hal. The methods described assume a fullypenetrating pumped well and shallow observation wells, except in the case of a very deep aquifer. Pumping tests aquifer performance tests are used in groundwater hydrology to. Interpreting pumping test data from fractured aquifers the. Evaluation of methods of pumping test analyses for application to hawaiian aquifers by john a. Analysis of data from pumping tests in unconfined anisotropic. It should continue for the full period of the pumping and recovery test. Suggested operating procedures for aquifer pumping tests epa. The pumping test is one of the most useful tools avail able in the evaluation of groundwater producing forma tions. The discussion and analysis are illustrated by pumping test data reported by wenzel. Here we present the results of an actual stepdrawdown test carried out on a well. Recovery test measurements allow the transmissivity of the aquifer to be calculated, thereby providing an independent check on the results of the pumping test. It also presents a more modern method of analyzing pumping tests in unconfined aquifers with delayed yield, and includes the stepdrawdown test, the slug test, and the oscillation test.
An improved method is proposed for the analysis of pumping test data from large. An aquifer test or a pumping test is conducted to evaluate an aquifer by stimulating the. Mlu multilayer unsteady state can be used for drawdown calculations and inverse modeling of transient well flow pumping tests analysis in layered aquifer systems and stratified aquifers. All watches must be synchronized prior to starting pumping test. Part two of a comprehensive 4part webinar series on aquifer pumping tests. It will teach you very important background information to allow defendable interpretations of aquifer testing data using traditional methods and stateoftheart software. Analysis and evaluation of pumping test data uga hydrology. A collection of field data collection forms for pumping tests and slug tests. Most of pumping tests will initially require a minimum of three qualified people. Methods note on simulation and analysis of variablerate pumping tests by phoolendra kumar mishra1, velimir vessilinov2, and hoshin gupta3 abstract analytical solutions for constantrate pumping tests are widely used to infer aquifer properties. Selected analytical methods for well and aquifer evaluation. American society for testing and materials astm pumping test 1. We hope that this revised and updated edition of analysis and evaluation of pumping test data will serve its readers as the first edition did.
A pumping test is a field experiment in which a well is pumped at a controlled rate and waterlevel response is measured in one or more surrounding observation wells and optionally in the pumped well control well itself. The remaining chapters deal with the analysis and evaluation of pumping test data from a variety of aquifer types or aquifer systems, and from tests conducted under particular technical conditions. Analysis and evaluation of pumping test data kruseman, g. Standard test method field procedure for instantaneous change in head slug tests for determining hydraulic properties of aquifiers. Walton 1970 presented data and results from an eightday pumping test conducted in a buried sandandgravel channel aquifer near estevan, saskatchewan, canada q 457 to 464 imperial gallonsperminute b 30 to 90 ft typical width of channel 3,000 to 12,000 ft typical. With mlu one can estimate selected aquifer parameters based on a best fit analytical solution to measured timedistancedrawdown data. This second edition incorporates many changes, including three chapters on pumping tests in fractured rocks. This is the second edition of analysis and evaluation ofpumping test data. Theis analysis of both the drawdown and recovery data in the pumping well.
Residual drawdown data can be more reliable than drawdown data because the recovery occurs at a constant rate, whereas constant discharge pumping is often difficult to achieve in the field. Evaluation of the streambed leakage concept in analytical models using data from three pumping tests. On simulation and analysis of variablerate pumping tests. Any comments anyone would care to make will be received with great interest. Water division, drinking water and groundwater bureau new hampshire department of environmental services 29 hazen drive.
Anomalies which result from wellknown methods of analysis, based on a constant coefficient of storage, are thus avoided. Analysis and evaluation of pumping test data pdf second ed. In this type of hydrogeological context, the pumping tests data might. Analysis of the test data would also allow a bulk transmissivity. Pwrrping test data from eight locations including the islands of oahu. Analysis and evaluation of pumping test data hydrology. A new type curve method for the analysis of pumping tests in. Program pdf this course focuses on the practical application of pumping test theory to developing understandings of groundwater systems. The attached document is about the evaluation of pumping test. Buy analysis and evaluation of pumping test data, 2nd revised edition on free shipping on qualified orders. Constantdischarge pumping test easiest to data to evaluate because only wls change constant flow during duration of test jun 10, 2015 if the pumping rate was not constantif the pumping rate was not constant throughout the pumping test, recoverythroughout the pumping test, recovery test data are more reliable than drawdowntest data are more reliable than drawdown data because the water table recovers at adata because the water table recovers at a constant nstant rate. Drawdown curves plotted on loglog diagram for three screens of hackett property. Zlotnik abstract twodimensional analytical models of pumping induced drawdown and stream depletion account for the streambed properties and stream geometry. The next chapter describes how to conduct a pumping test.
Aquifer performance test report table of contents v p. Analysis of drawdown and recovery data using theis 1935. Pdf analysis and evaluation of pumping test data second. Using data from three pumping tests performed under various. Kruseman senior hydrogeologist, tno institute of applied geoscience, delft n. Interpreting pumping test data from fractured aquifers the dual porosity model.
Standard guide for selection of aquifer test method in determining hydraulic properties by well techniques. Analysis and evaluation of pumping test data, 2nd revised. This four part webinar series is designed to give consulting scientists and engineers and regulators the information they need to get reliable information from aquifer pumping tests. The attached document is about the evaluation of pumping test data by neumans approach, but result sy is not correct. The pumping test was performed a minimum of 33 times in three wells over an eightmonth period in a small. Daly environmental resources management, boston, ma abstract groundwater flow in fractured bedrock is controlled by the location, orientation and aperture of individual. The material in this report is designed to meet the present needs of engineers who deal with groundwater in illinois. Technical guidance manual for ground water investigations. The first chapter summarizes the basic concepts and definitions of terms. Pdf evaluation of the pumping test data for the water. Readers familiar with the first edition and its subsequent impressions will note a. Evaluation of the streambed leakage concept in analytical. Pumping test analysis in a fractured crystalline bedrock. For modelling at a local scale, values of hydraulic conductivity may be determined by pumping tests if volumeaveraged values are required or by slugtests if point values are desired.
So far as possible the details of theories involved have been omitted. Determination of aquifer hydraulic parameters from pumping. The analysis and evaluation of pumping test data is adequately covered by numerous texts on the subject. Analysis and evaluation of pumping test data, 2nd revised edition by kruseman, g. Therefore, fcbc undertook a constant rate pumping test crt in the sandstone unit close to echline corner in may 2012, with a view of applying the results to the thiemdepuit equation see section 3. The project is located approximately 12 miles northnorthwest of edgemont, south dakota and spans northern fall. One conventional pumping test was performed to aid in evaluating the manual method. Water level data should be recorded on aquifer test data sheet. Values of transmissivity and storage coefficient are usually obtained from data generated during pumping tests and subsequent data processing. Mlu aquifer test analysis mlu pumping test analysis. Technical guidance manual for ground water investigations chapter 4 pumping and slug tests december 2006 revision 1 ohio environmental protection agency. An example is given which illustrates some of the problems which arise with the existing method and which shows the advantages of the proposed method. Evaluation of the pumping test data for the water pressure relief system of an underground ventilation building conference paper pdf available september 2015 with 1,1 reads how we measure. American society for testing and materials astm pumping test.