Groundwater Recharge Calculator

Estimate groundwater recharge rates from natural and artificial sources based on local conditions.

Area & Precipitation

Recharge Area (km2)

Annual Precipitation (mm)

Soil & Land Characteristics

Soil Type

Land Use

Average Slope (%)

Vegetation Cover (%)

Impervious Surface (%)

Additional Recharge Sources

Irrigation Return Flow (mm/year)

River/Stream Infiltration (million m3/year)

Total Annual Recharge

19.96 million m3

200 mm/year equivalent

Natural

12.96M m3

Irrigation

2M m3

River

5M m3

Recharge Rates

Base Infiltration Rate20.0%

Adjusted Rate16.2%

Recharge Efficiency16.2%

Recharge Distribution

Natural Recharge65%

Irrigation Return10%

About Groundwater Recharge

Groundwater recharge is the process by which water moves from the surface to the aquifer. Factors like soil permeability, land cover, and slope affect recharge rates significantly.