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Total Drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test. Check FAQs
st=s+CQn
st - Total Drawdown?s - Change in Drawdown?CQn - Well loss?

Total Drawdown in Pumping Well Example

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Here is how the Total Drawdown in Pumping Well equation looks like with Values.

Here is how the Total Drawdown in Pumping Well equation looks like with Units.

Here is how the Total Drawdown in Pumping Well equation looks like.

5.1Edit=0.1Edit+5Edit
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Total Drawdown in Pumping Well Solution

Follow our step by step solution on how to calculate Total Drawdown in Pumping Well?

FIRST Step Consider the formula
st=s+CQn
Next Step Substitute values of Variables
∴ st=0.1m+5m
Next Step Prepare to Evaluate
∴ st=0.1+5
LAST Step Evaluate
∴st=5.1m

Total Drawdown in Pumping Well Formula Elements

Variables
Total Drawdown
Total Drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test.
Symbol: st
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Formulas to find Total DrawdownOpen Variable
Change in Drawdown
Change in Drawdown in the Aquifer is a term applied to the maximum lowering of the groundwater table caused by pumping or artesian flow.
Symbol: s
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Formulas to find Change in DrawdownOpen Variable
Well loss
Well loss is defined as the head loss in well.
Symbol: CQn
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Formulas to find Well lossOpen Variable

Other Formulas to find Total Drawdown

​Go Total Drawdown in Pumping Well expressed given Factors related to Hydraulic Characteristics
st=B⋅q+(C⋅q2)

Other formulas in Single Well Tests category

​Go Drawdown in aquifer for total drawdown
s=st-CQn
​Go Well Loss for Total Drawdown
CQn=st-s
​Go Drawdown in aquifer caused by pumping at any point in aquifer
s'=q⋅tτ⋅S⋅r2

How to Evaluate Total Drawdown in Pumping Well?

Total Drawdown in Pumping Well evaluator uses Total Drawdown = Change in Drawdown+Well loss to evaluate the Total Drawdown, The Total Drawdown in Pumping Well is a term applied to the maximum lowering of the groundwater table caused by pumping or artesian flow. Total Drawdown is denoted by st symbol.

How to evaluate Total Drawdown in Pumping Well using this online evaluator? To use this online evaluator for Total Drawdown in Pumping Well, enter Change in Drawdown (s) & Well loss (CQn) and hit the calculate button.

FAQs on Total Drawdown in Pumping Well

What is the formula to find Total Drawdown in Pumping Well?
The formula of Total Drawdown in Pumping Well is expressed as Total Drawdown = Change in Drawdown+Well loss. Here is an example- 5.1 = 0.1+5.
How to calculate Total Drawdown in Pumping Well?
With Change in Drawdown (s) & Well loss (CQn) we can find Total Drawdown in Pumping Well using the formula - Total Drawdown = Change in Drawdown+Well loss.
What are the other ways to Calculate Total Drawdown?
Here are the different ways to Calculate Total Drawdown-
  • Total Drawdown=Factors related to Hydraulic Characteristics*Pumping Rate+(Factors related to Characteristics of the Well*Pumping Rate^2)OpenImg
Can the Total Drawdown in Pumping Well be negative?
Yes, the Total Drawdown in Pumping Well, measured in Length can be negative.
Which unit is used to measure Total Drawdown in Pumping Well?
Total Drawdown in Pumping Well is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Total Drawdown in Pumping Well can be measured.
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