Quarry Lagoon inspections


Guidance on the inspection of lagoons - QNJAC 10/2/22

In this QNJAC guidance you will find information, images and videos covering all aspects of quarry lagoon inspections, it covers the two types of lagoons commonly found in quarries

Below Ground level lagoons which are excavated into the underlying strata usually represent little hazard in terms of geotechnical failure

Above Ground Level Structures which can be concrete or metal constructions but are most commonly embankment type dams. There are some inherent dangers from a number of geotechnical failure mechanisms so they require careful inspection and monitoring.


QNJAC is a collaboration to improve safety, efficiency, and productivity. It relies on industry expertise to come together for the mutual benefit.

Here are some of the key partners actively involved in QNJAC.

EMPI Awards

Health and Safety executive (HSE)

Institute of Quarrying (IQ)

Mineral Products Association (MPA)

Mineral Products Qualification Council (MPQC)

Minerals Matter

The British Aggregate Association (BAA)

Unite - The union

University of Derby (UoD)

For more resources, please visit SafeQuarry.com