Shown in the photo on the left is james caldwell checking the pump rate in 5 gallon buckets, while dale tom shown on the right is checking the water level and rate drop off in the well with an electric tape. Mine dewatering groundwater cutoff walls pumping tests and. This is made easy with pumping test and slug test data analysis software that offers a variety. Suggested operating procedures for aquifer pumping tests. Suggested operating procedures for aquifer pumping tests it is intended for use by those professionals involved in characterizing sites which require corrective action as well as those which are proposed for ground water development, agricultural development, industrial development, or disposal activities. Aquifer pumping test guidelines waikato regional council. The test results allow you to properly address the specific problems of a water supply. Establishing aquifer properties such as hydraulic conductivity and. The importance of private well water testing why should i test my well water. A suite of tools to analyze movement and quantity of ground water, estimate aquifer parameters and to evaluate pump slug well test results. It allows to estimate the transmissivity and the hydraulic conductivity of the aquifer using the cooper jacob method. As part of each days activities, course participants gain handson experience with the aqtesolv software using data from reallife field investigations conducted in a variety of hydrogeologic settings. Aquifer testing is a common tool that hydrogeologists use to characterize a system of aquifers, aquitards and flow system boundaries.
Water groundwater data management and analysis tools. Inverse modelling of aquifer parameters in basaltic rock with. Microfem finiteelement program for multipleaquifer steadystate and transient groundwater flow modeling. Aqtesolv is used for the design and analysis of aquifer tests, including pump test, stepdrawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. Constantdischarge pumping test easiest to data to evaluate because only wls change constant flow during duration of test test measure flow rate and water levels at specific intervals 1 to 10 minutes. Gwpt ground water pumping test provides an easy to use interface to analyse pumping tests in groundwater wells by calculating aquifer parameters transmissivity and hydraulic conductivity as well as drawing the drawdown graph. A simple pump specific capacity test involves the pumping of a single well with no associated observation wells. Testing your private wells water quality on a regular basis is an important part of maintaining a safe and reliable source. Windows 8 pcs is supported download only data that is not already in diveroffice select multiple dxts. With a pumping rate of 2730 m 3 d, what would be the expected drawdown at a monitoring well 122 m away.
The course covers aquifer testing topics pertaining to slug tests and pumping tests. May 11, 2014 shows how to analyze a pumping test using equations developed earlier. The goal of a pumping test, as in any aquifer test, is to estimate hydraulic properties of an aquifer system. Ogi groundwater specialists groundwater control design. Unlike other aquifer test analysis software, often supporting a wide variety of different solution types e. Bgspt programs to simulate and analyse pumping tests in.
Download it once and read it on your kindle device, pc, phones or tablets. Introduction to pumping test analysis national centre for. Aqtesolv aquifer test solver is the worlds leading software for pumping tests, slug tests, constanthead tests, groundwater mounding and more. Water and groundwater software groundwater wells software. An easy way to locate borewell for groundwater with two l rods. It will teach you very important background information to allow defendable interpretations of aquifer testing data using traditional methods and stateoftheart software. The purpose of a pump test is to obtain information on well yield, observed drawdown, pump efficiency, and calculated specific capacity. An observation well, which is selected in the aquifer system has been pumped and the drop of groundwater level is calculation in the pumping test well or in the close pumped well at continuous interval.
In a recent linkedin poll, groundwater professionals overwhelmingly chose aqtesolv as their preferred. The test will run for 1 day, and monitoring will occur approximately every 3 hours. In this webinar, you will learn why these tests are conducted and the equipment that you will need, along with tips on. An average pumping rate of less than 1 gallon per minute gpm was determined to be the optimum pumping rate baed s on the july 4, 2012ste pdrawdown pumping test at tew112. Aquifertest professional with the ability to characterize your aquifer and analyze pumping and slug tests, aquifertest pro features all of the tools you need in one convenient groundwater data analysis program. The importance of private well water testing groundwater. Aquifertest for windows pumping test and slug test. Aqtesolv offers sophisticated options for a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers. How to import diver data into aquifertest pro pumping test.
We also have online sales of a wide range of groundwater sampling equipment including ysi 556, and solinst levelogger including software such as modflow, rbca tool kit, hydrus, surfer 9, and groundwater vistas. Aquifer and pump testing software geotechnical engineering\ software united states aquiferwin32 pumping test analysis, slug test analysis and step test analysis plus analytical groundwater flow modeling and pumping test simulations. Principle of pumping test the principle of a pumping test involves applying a stress to an aquifer by extracting groundwater from a pumping well and measuring the aquifer response to that stress by monitoring drawdown as a function of time. It is beneficial to both engineers and contractors to have a good understanding about the hydrogeology of a site before designing and constructing a dewatering system. Free pumping test programme university of the free state. Perform pumping test time drawdown calculations online. Aquifer testing understanding groundwater aquifer parameters hydraulic conductivity, transmisivity and storativity for example is important in site dewatering evaluation. Scientific software group is the premier provider of groundwater software, environmental software, groundwater modeling software, surface water modeling software, hydrology software, hydraulic engineering software, geotechnical software, borehole log software, surface mapping and contouring software, bioremediation, natural attenuation, storm water modeling, and air dispersion modeling. Time of year the pumping test of unconfined sand andor gravel aquifer wells must be conducted during a time of average or below average seasonal stream. In a recent linkedin poll, groundwater professionals overwhelmingly chose aqtesolv as their preferred pumping test analysis software. Critical thinking in the interpretation of pumping tests and aquifer analysis. Ground water pumping test gwpt ground water pumping test provides an easy to use interface to analyse pumping tests in groundwater wells by calculating aquifer parameters transmissivity and hydraulic conductivity as well as drawing the drawdown graph. Through these tests it is possible to calculate the main hydrodynamic parameters of the aquifer such as the specific flow, the coefficient of permeability, the transmissibility ad the coefficient of storage.
Several spreadsheets for the analysis of aquifer test and slug test data. This course introduces the basic equations of groundwater flow, the analytical techniques that have been developed to solve these equations, and their practical implementation in pumping test. Use features like bookmarks, note taking and highlighting while reading groundwater pumping tests. Suggested operating procedures for aquifer pumping tests this document is intended as a primer, describing the process for the design and performance of an aquifer test how to obtain reliable data from a pumping test to obtain accurate estimates of aquifer parameters.
In south africa, the main aim of pumping tests is to estimate what we call sustainable yield of a borehole. Designed by hydrogeologists for hydrogeologists, aquifertest delivers all the tools needed to accurately interpret data from all types of aquifers in all types of test conditions. Pumping tests are alternately known as pump tests, aquifer tests and aquifer performance tests apts. This page gives practical advice on how to carry out a pumping test. Aquifertest is an easytouse software package for analyzing, interpreting and visualizing pumping and slug test data. Aqtesolv offers a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers with sophisticated options such as. We integrate hydrogeology and geotechnical engineering skills to provide innovative, costeffective and safe solutions to groundwater problems. Aqtesolv is the original allinone package for the design and analysis of aquifer tests, including pump test, stepdrawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. Pumping tests are used to establish insitu hydrogeological properties of the ground. Such techniques become impractical when more than two or three parameters have to be determined and then computerbased techniques need to be employed.
An aquifer test or a pumping test is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifers response in observation wells. Software such as aqtesolv can account for variable pumping rates. These measurements are then incorporated into an appropriate wellflow equation to calculate the. Mlu aquifer test analysis mlu pumping test analysis. Single well solutions contains a collection of the most popular analytical solutions from analysis and evaluation of pumping test date, by g. Pumping test is conducted to examine the aquifer response, under controlled conditions, to the abstraction of water. As pumping occurs, groundwater levels decline drawdown. Eijkelkamp agrisearch equipment has released the latest version of its free groundwater data management software. Programs to simulate and analyse pumping tests in largediameter wells. Each spreadsheet incorporates analytical solutions of the partial differential equation for groundwater flow to a well for a specific type of condition or aquifer. Interpretation of the data relevant to the pumping tests.
I was recently invited to lead a groundwater sampling workshop at the janet watson meeting of the geological society on november 7th, 2017. An aquifer test or a pumping test is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifers response drawdown in observation wells. If the aquifer is shallow enough and permeable enough to allow water to move through it at a rapidenough rate, then people can drill wells into it and withdraw water. Jul 29, 2014 aquifertest pro makes it easy to import groundwater level data from diver groundwater dataloggers, to use in pumping test analysis and reporting. This report documents several spreadsheets that have been developed for the analysis of aquifer pumping test and slug test data. Diagnostic plots and derivative analysis for identifying aquifer conditions from test data. Make aqtesolv your choice for pumping test analysis software to get a complete package for constantand variablerate pumping tests, recovery tests, sinusoidal tests, singlewell tests, stepdrawdown tests, tests with multiple pumping wells, automatic image well generation, predictive simulation and pumping test design, and more. Spreadsheets for the analysis of aquifer test and slug test data, version 1. Nov 14, 2012 derivative analysis is a powerful diagnostic technique for the interpretation of data from pumping tests. Preene groundwater consulting are specialist consultants in mine dewatering and groundwater control. Make aqtesolv your choice for pumping test analysis software to get a complete package for constant and variablerate pumping tests, recovery tests, sinusoidal tests, singlewell tests, stepdrawdown tests, tests with multiple pumping wells, automatic image well generation, predictive simulation and pumping test design, and more. Aqtesolv for windows features a comprehensive suite of analytical solutions for evaluating pumping test and slug test data in confined, unconfined, leaky and fractured aquifers.
When the pump is turned off, groundwater levels recover. The course covered topics relating to designing, performing and analyzing both slug tests and pumping tests and included handson use of aqtesolv as a teaching tool. Software for pumping test analysis by hydrosolve, inc. Results of pumping test evaluation and statistical analysis of. Free groundwater data management software available. The test can be executed both on single wells and on testing stations. This report documents several spreadsheets that have been developed for the analysis of aquiferpumping test and slugtest data. Pumping tests can be an important part of the investigations for dewatering and other construction projects. It is a nice information on test pumping works on groundwater development. The basic principle of a pumping test is that if we pump water from a well and measure the pumping rate and the drawdown in the well, then substitute these measurements into an appropriate formula. The analysis comprised 150 steptests and 154 aquifer tests of which all but. Spreadsheets for the analysis of aquifertest and slug. Aqtesolv a suite of tools estimate aquifer parameters to analyze movement and quantity of ground water, and to evaluate pump slug well test results. The equation describes mass conservation of groundwater flow in the radial direction allowing for change in storage volume expansion or contraction of the confined water due to.
Final aquifer test and related well information for public water supply wells in groundwater management area 8 viii figure 4 aquifer test tool user interface prior to a well selection. Hydrogeologists determine the hydraulic characteristics of waterbearing formations, by conducting pumping tests. Hydrogeology concerns all work involving water in the ground quantity, quality, surface and groundwater interaction and infiltration of water into the ground. Spreadsheets for the analysis of aquifertest and slugtest. Im doing my thesis about groundwater dewatering in metro tunnels and i need to know that which groundwater modelling software is more practical.
Analyze pumping tests, slug tests, and recovery tests. This easytouse software provides all the tools needed to accurately interpret data from all types of aquifers in all types of test conditions. Supported by other types of groundwater investigations and groundwater monitoring they can provide valuable information for the planning and design of construction projects. Software for pumping test analysis by hydrosolve, inc what is the best software for pumping test analysis.
This document is intended as a primer, describing the process for the design and performance of an aquifer test how to obtain reliable data from a pumping test to obtain accurate estimates of aquifer parameters. Backed by decades of experience and technical expertise we provide our clients with high quality, costeffective solutions to their groundwater problems. It is intended for use by those professionals involved in characterizing sites which. The model upon which both elements are based is a well, fullypenetrating a semiconfined aquifer of infinite extent. Pumping tests are traditionally analysed using simple graphical or typecurve methods. Geological survey usgs to be used in the public interest and the advancement of science. Jun 03, 2019 during a pumping test, water is pumped out of a wellbore over a period of time, at a controlled rate. Institute for groundwater studies igs home free pumping test programme.
Drawdown is measured in the pumping well, and also in surrounding monitoring wells, throughout the test period. This webinar discusses stepdrawdown and constantrate pumping tests. As part of my lectures, i spent a good deal of time going over the finer points of diagnostic methods for pumping tests including derivative analysis, a technique widely practiced in the petroleum industry for well test analysis. This was a fascinating 2day conference covering everything from conceptual models and risk assessment to treatment technologies, guidance and regulation. Online sales of a wide range of groundwater sampling equipment including ysi 556, and solinst levelogger including software such as modflow, rbca tool kit, hydrus, surfer 9, and groundwater vistas.
Pumping tests aquifer performance tests are used in groundwater. Program pdf this course focuses on the practical application of pumping test theory to developing understandings of groundwater systems. Aquifertest pro is an easytouse software package used by hydrogelogists for analyzing and reporting groundwater pumping test and slug test. Aqqa software for plotting water quality graphs, evaluating water types, and performing simple water quality calculations.
The path shown in the red rectangle designates the location of the aquifer test. A stepdrawdown test is a singlewell test that frequently is conducted after well development to determine the correct sizing of the production pump and the efficiency of the well. Program characterization mlu multilayer unsteady state can be used for drawdown calculations and inverse modeling of transient well flow pumping tests analysis in layered aquifer systems. Soil parameters determined from analysis of the drawdown curves are then used in the design of a groundwater control system. Groundwater occurs in the saturated soil and rock below the water table. Use of the derivative in pumping test analysis can highlight many flow regime features that otherwise may be hard to discover when inspecting drawdown data alone. Thus, these data are more common than multiwell aquifer test data, but not as common as specificcapacity data. Unsteady groundwater flow to a pumping well in a confined aquifer is described by the equation bear, 1979, p. A pumping test involves pumping from a test well at a controlled rate and monitoring the flow rate from the well and the drawdown in an array of observation wells at varying radial distances from the test well.
What is the best software for pumping test analysis. Aquifertest professional free version download for pc. Groundwater hydrologists routinely use the pumping test interpretation method of cooper and jacob 1946, a straightline approximation of the theis 1935 typecurve solution, to estimate the hydraulic properties of nonleaky confined aquifers from drawdown data measured during the period of infiniteacting radial flow iarf when drawdown changes linearly with the logarithm of time. Gwpt ground water pumping test provides an easy to use interface to analyse pumping tests in ground water wells. Aqtesolv for windows features a comprehensive suite of analytical solutions for evaluating pumping test and slug test data in. The intention of the upcoming pump test is to double check these estimates. Aquifer and pump testing software aquifer and pump.
In this photo, we are performing a groundwater integrity test by pumping the well with a grundfos submersible pump. 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. Pumping tests are carried out to determine how much groundwater can be taken from a well, and what effects pumping will have on the aquifer and neighbouring well supplies. As the pumping test stops, the groundwater level in the observation well increases. Aquifertest pro is a software package designed for analyzing, interpreting and visualising pumping and slug test data. This software and related material data and documentation are made available by the u.
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