Water Notes From the source

Made by a Mountain

By AlkaspringsPublished 8 min readUpdated
Illustration of rain filtering through mountain geology towards an underground spring

Long before Alkasprings reaches the bottle, the mountain has already done the interesting part.

It begins with rain.

A cloud moves across Mount Tamborine. Water falls through the canopy, hits the volcanic soil and begins a journey most of us will never see.

Some runs into creeks.

Some evaporates.

And some disappears underground.

Down through soil and weathered earth. Through clay. Into joints and fractures in ancient volcanic rock.

Then everything slows down.

Beneath the mountain, water moves through a landscape built millions of years before there were roads, houses or bottles. It spends time in contact with the geology around it. Its chemistry changes. Its natural mineral character develops.

By the time Alkasprings enters the story, nature has already been at work.

That is what makes the water interesting.

Not what we put into it.

Where it has been.

The story starts 20 million years ago

Mount Tamborine is the northern remnant of an enormous ancient volcanic system centred around Wollumbin, formerly known as Mount Warning.

Around 20 to 23 million years ago, eruptions spread vast layers of basalt across this part of eastern Australia. What remains today includes Tamborine Mountain's elevated plateau, volcanic cliffs, rock formations and waterfalls. Queensland Parks: Tamborine geology

The volcano eventually fell silent.

Then water took over.

Rain, streams and erosion spent millions of years reshaping the landscape.

Basalt weathered.

Soils developed.

Rock fractured.

And deep beneath the surface, those fractures became pathways for groundwater.

That ancient geology is still shaping the water today.

Rain goes in. Something different comes out.

Tamborine Mountain has what hydrogeologists describe as a fractured basalt aquifer system.

It isn't a giant underground lake.

Think instead of layers of volcanic rock crossed by cracks, joints and more permeable zones. Rainfall infiltrates the soil above and moves into this underground network. Some water travels sideways towards natural spring zones. Some finds pathways deeper into the mountain. Research: Tamborine Mountain aquifers

And the deeper it travels, the more interesting the chemistry becomes.

A detailed hydrogeological study of Tamborine Mountain found that rainfall and shallow groundwater have a different chemical character from deeper groundwater.

Why?

Time and rock.

As water moves through the mountain, minerals in the basalt slowly interact with it. Researchers found mineral weathering to be one of the major processes controlling Tamborine Mountain groundwater chemistry. Deeper groundwater showed stronger evidence of this water-rock interaction. Research: Tamborine Mountain aquifers

Ordinary rain has entered the mountain.

The mountain starts leaving its signature behind.

This is what “naturally purified” means to us

The phrase can sound almost too neat.

So strip away the marketing language for a moment.

Water falls.

Water enters the earth.

Water moves through soil, weathered material and fractured rock.

The journey underground physically separates the water from the surface environment while extended contact with the geology changes its natural composition.

It isn't a replacement for responsible treatment before bottling. Natural groundwater is still water, and water intended for drinking should be prepared and handled carefully.

But the source itself has already been shaped underground.

That is the distinction.

When we say Alkasprings is:

Naturally purified through rock and clay.

We're describing the journey that came before us.

The mountain leaves something behind

Water isn't simply H₂O suspended in a geological vacuum.

Natural water interacts with its surroundings.

Independent research across Tamborine Mountain has identified groundwater containing naturally occurring dissolved components including calcium, magnesium, sodium and bicarbonate, with the balance changing according to depth and the path water takes through the aquifer. Research: Tamborine Mountain aquifers

We deliberately don't turn those minerals into a list of miracle health claims.

There's a more interesting point.

They help give water character.

The World Health Organization notes that dissolved minerals contribute to the taste of drinking water. Change the mineral composition and you can change the way water tastes and feels in the mouth. WHO: drinking-water taste and acceptability

That's why water from different natural sources doesn't all taste the same.

The landscape comes with it.

Not literally, of course.

Chemically.

Water has a sense of place

Wine people have a word for this: terroir.

The idea that soil, rock, climate and place become part of what you eventually taste.

Water is different from wine, but there is a useful parallel.

A natural water source is inseparable from its geology.

Rain falling on limestone takes one journey.

Rain moving through granite takes another.

On Tamborine Mountain, the story is volcanic basalt.

Research into the mountain's aquifers has found that as rainfall travels deeper through the system, water-rock interaction changes the balance of dissolved ions and increases concentrations of components such as calcium, sodium and bicarbonate in parts of the deeper groundwater system. Research: Tamborine Mountain aquifers

That chemistry isn't designed in a product-development meeting.

It's created underground.

Then it becomes our responsibility

This is the point where nature hands the water over to us.

And this part matters.

“Natural” does not mean scooping water out of the ground and putting a lid on it.

Before Alkasprings water is bottled, it is filtered to remove naturally occurring sediment.

It is then UV treated as a microbial safety step.

And it passes through coconut-carbon filtration as part of the preparation process before drinking and bottling.

There is a simple philosophy behind that process:

Protect what the source has created rather than reinventing it.

No chlorine is added.

No additives are used to manufacture a particular water story.

The aim is to prepare the water responsibly while retaining the natural character that makes the source worth seeking out in the first place.

Nature makes it. We take care of it.

That distinction is important.

There are drinking-water processes designed to strip water down dramatically and then, in some cases, rebuild its flavour profile afterwards.

That's not what we're trying to do.

With Alkasprings, the interesting work happened before the water reached us.

Rainfall.

Volcanic geology.

Rock.

Clay.

Time underground.

Our part comes afterwards:

Remove natural sediment.

Treat it responsibly.

Bottle it.

Deliver it.

The process isn't there to manufacture the water.

It's there to look after it.

And what isn't added?

Sometimes what makes a water distinctive isn't another ingredient.

It's the absence of one.

Municipal drinking water has an entirely different problem to solve.

It needs to be collected from large source systems, treated and then kept microbiologically protected while travelling through reservoirs and kilometres of public distribution infrastructure.

That requires intervention.

Alkasprings doesn't travel to you through a municipal reticulation network.

So we don't add chlorine to it.

We don't build the story around additives.

We start with the natural source, prepare the water for drinking, and deliver it.

It's a fundamentally different journey.

Want to understand the difference? We looked at the official data behind what’s actually in Brisbane tap water →

We don't need to turn water into a wellness product

Water marketing can get strange quickly.

Raise the pH.

Add electrolytes.

Promise detoxification.

Make ordinary hydration sound like biohacking.

That isn't where the interesting story is.

Mount Tamborine gives us something better.

A real place.

A real geological process.

A fractured volcanic aquifer recharged principally by rainfall. Research: Tamborine Mountain aquifers

A natural mineral character created as water interacts with the mountain.

And a relatively simple job once it reaches us:

don't mess with what made it special.

So what makes Mount Tamborine spring water special?

Not one miracle mineral.

Not one fashionable number on a label.

The whole journey.

Rain falling onto an ancient volcanic plateau.

Water disappearing underground.

Soil.

Clay.

Fractured basalt.

Mineral interaction.

Time.

Then careful filtration to remove natural sediment.

UV treatment.

Coconut-carbon filtration.

And no chlorine or additives added afterwards.

It's less about inventing something extraordinary.

More about recognising when nature already has.

Maybe good water doesn't need a complicated story

Twenty million years of geology is complicated enough.

We don't need to add much to it.

The mountain provides the source.

The rock gives the water its natural character.

We make sure it reaches you the way good drinking water should: carefully prepared and ready to drink.

Naturally purified through rock and clay. No chlorine, no additives. Just pure spring water, the way nature intended.

Alkasprings

Real Water. Real Easy.

About Mount Tamborine spring water

Where does Alkasprings water come from?

Alkasprings sources its spring water from Mount Tamborine in South East Queensland, an ancient volcanic plateau formed from basalt lava flows roughly 20 to 23 million years ago. Queensland Parks: Tamborine geology

How does Mount Tamborine shape the water?

Rainfall recharges the mountain's fractured basalt aquifers. As groundwater moves through the system, interaction with volcanic rock changes its natural chemistry. Independent research has identified mineral weathering and water-rock interaction as major influences on Tamborine Mountain groundwater. Research: Tamborine Mountain aquifers

Does Mount Tamborine groundwater naturally contain minerals?

Yes. Research across Tamborine Mountain groundwater has found naturally occurring components including calcium, magnesium, sodium and bicarbonate. The exact composition varies according to location, groundwater depth and flow path. Research: Tamborine Mountain aquifers

How is Alkasprings water treated before bottling?

The water is filtered to remove naturally occurring sediment, UV treated, and passed through coconut-carbon filtration before bottling. No chlorine or additives are added.

Why does spring water taste different?

Natural water sources have different dissolved mineral compositions depending on their geology. Dissolved minerals can influence the taste and overall sensory character of drinking water. WHO: drinking-water taste and acceptability