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Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator

Easily calculate and compute unconfined aquifer dupuit-thiem steady well drawdown calculator with accurate equations, live formulas, and expert guidance.

Steady volumetric well discharge rate.

Aquifer hydraulic permeability.

Static water table depth to impermeable bedrock.

Radius of pumped production well.

Distance where drawdown becomes negligible.

Calculated Result
2.16 m

Well Drawdown (s_w)

Well Drawdown (s_w)

2.16 m

Steady Well Drawdown Meters

2.16

Remaining Water Head In Well Meters

32.84

Specific Capacity M3 Day Per M

555.3

Pumping Rate Liters Per Second

13.9

2.16 — m

Calculation Breakdown

  1. Applied FormulaDetermines steady drawdown in unconfined water table aquifers using the Dupuit-Thiem radial flow formulation.Q = \frac{\pi K (H^2 - h_w^2)}{\ln(R/r_w)}

Dupuit Well Drawdown Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.00.51.11.62.2Well Drawdown (s_w)

What Is the Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator?

This tool computes unconfined aquifer dupuit-thiem steady well drawdown calculator with high precision arithmetic.

How Does the Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator Work?

Determines steady drawdown in unconfined water table aquifers using the Dupuit-Thiem radial flow formulation.

Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

Q=πK(H2−hw2)ln⁡(R/rw)Q = \frac{\pi K (H^2 - h_w^2)}{\ln(R/r_w)}

Determines steady drawdown in unconfined water table aquifers using the Dupuit-Thiem radial flow formulation.

How to Use the Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Unconfined Aquifer Dupuit-Thiem Steady Well Drawdown Calculator Example

Input Values:

pumpingRateQ_M3Day:1200.0
hydraulicConductivityK_MDay:18.0
initialSaturatedThicknessH_M:35.0
wellRadiusRw_M:0.25
radiusOfInfluenceR_M:250.0
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required m.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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