It is a quirky one though.

A team of divers used to tight and dark spaces have swum into the Paradise Wells and Nundle Pump Station as part of a council inspection that happens once every three years.

Four divers were used in the most recent inspection, Tamworth Regional Council spokeswoman said.

"Given its nature all the work is performed by specialist diving contractors," she said.

"The divers are specialists in this type of work, so while there are some dark and tight spaces that needed to be explored they were well equipped for the task and all work was completed in accordance with safety standards."

The project includes diving, maintenance, inspection and reporting.

The divers did a condition assessment of the Paradise Wells, as part of that they had to identify the depth of the wells which can change due to silt build up over the years.

The depth of the submersible pumps also had to be checked to make sure they were at the correct height to work properly.

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In Nundle, the pump station has been turned off for two years because of low flows in the Peel River.

So, the divers jumped in and completed repair and maintenance work, including removing some tree roots which were blocking the submerged pump.

Council uses divers regularly to inspect water reservoirs, other projects are scheduled on a needs basis.

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