: The 2012 version remains current and was last reviewed and confirmed by the International Organization for Standardization (ISO) in 2023. Primary Test Methods

: It is used to evaluate the stability of foundations, seepage conditions for dams, and the effectiveness of dewatering programs. Core Test Methods

The decay or recovery of the water level back to its static equilibrium is recorded against time. Constant Flow Rate Method Application: Used for moderate ground formations.

To ensure accuracy, the standard specifies technical requirements for the following:

: Monitoring devices must achieve a minimum accuracy threshold of .

Measure the natural, undisturbed groundwater level before starting the test.

The standard is part of a series; other parts cover different permeability testing methods:

BS EN ISO 22282-2 is part of a comprehensive series that covers the full range of field geohydraulic testing methods. The British Standards Institution (BSI) published the entire multi‑part series in 2012 to provide a consistent, best‑practice approach. The six parts of the series are:

This specific part details the requirements for determining the water permeability of soil and rock below or above the groundwater table.