SANBWA's Charlotte Metcalf on why purpose, proof and persistence matter in water stewardship

Charlotte Metcalf, CEO of the South African National Bottled Water Association (SANBWA). Image supplied

That belief has shaped her approach to leadership and to the role she believes industry bodies should play.

For Metcalf, purpose is not about making grand statements. It is about doing the work that often happens away from the spotlight — audits, standards, source protection and the systems required to ensure that commitments translate into measurable action.

“Purpose isn't a slogan you put on a bottle,” she says. “It's the discipline of doing the unglamorous work long before anyone's watching.”

When water becomes a business imperative

In South Africa, the conversation around water has become increasingly difficult to separate from the realities facing businesses and households.

Municipal failures, recurring drought cycles and ageing infrastructure have heightened awareness of the country's water challenges, while consumers are asking more searching questions about how products are sourced and produced.

Metcalf believes that shift has fundamentally changed the role of sustainability in business.

“Consumers are more sceptical and better informed than ever and they're asking harder questions about where products come from,” she says. “Businesses that can't answer those questions honestly are going to lose trust fast.”

For her, water stewardship has moved beyond being a corporate social responsibility consideration. It is becoming a question of resilience and survival.

Water stewardship isn't a nice-to-have anymore; it's a survival issue, for companies and for the country.

Looking beyond the sustainability label

That focus on evidence also informs Metcalf's view of innovation.

While new materials and sustainability claims often attract attention, she argues that some of the industry's most meaningful innovations are found in systems rather than products.

Traceability, source monitoring and stronger recycling systems can have a greater long-term impact than simply adopting the latest environmental trend.

Metcalf points specifically to the debate around so-called "green" packaging alternatives, arguing that businesses need to consider whether an innovation actually strengthens the systems already operating in South Africa.

“We've seen a lot of ‘green’ alternatives marketed as progress, like biodegradable packaging, that actually undermine what already works well here, like PET recycling,” she says.

For her, responsible innovation starts with honesty about what existing infrastructure can support.

“True innovation in our industry means being honest about what our infrastructure can actually support and investing in strengthening it rather than chasing trends that look good on a label.”

Leading with both purpose and commercial reality

It is a perspective that also shapes Metcalf's understanding of women in leadership.

She believes many of the women leaders she admires have an ability to hold the bigger picture and the finer operational detail simultaneously: an approach that allows commercial growth and environmental responsibility to be treated not as competing priorities, but as part of the same responsibility.

“They don't see commercial growth and environmental responsibility as competing priorities, but as the same job done properly,” she says.

She also points to collaboration as an important strength in an industry where progress depends on different groups — from regulators and scientists to businesses — working together.

Many women lead with a lower tolerance for shortcuts and a stronger instinct for collaboration. That matters enormously in an industry that depends on regulators, scientists and businesses all pulling together.

Trust has to be earned

For businesses navigating increasingly sophisticated consumers, Metcalf believes the answer to building credibility is straightforward: show the evidence.

“Show your work,” she says.

That means audits, certifications, transparent sourcing and honest labelling rather than relying on sustainability messaging alone.

“Consumers can smell marketing theatre now,” she says. “The businesses that will win long-term loyalty are the ones willing to be checked, not just believed.”

It is an approach that places accountability at the centre of sustainability — and challenges businesses to make their claims measurable.

The leadership lesson in bringing people together

Working across different stakeholder groups has also taught Metcalf the importance of patience.

Regulators, businesses and environmental scientists may have different priorities, terminology and timelines. Trying to force agreement too quickly, she says, can ultimately prevent meaningful progress.

“Real progress comes from finding the shared interest underneath the disagreement,” she explains.

The common ground, she believes, is ultimately stronger than the differences.

“Everyone at that table actually wants a safer, more credible industry; the work is helping them see it.”

Building credibility from the detail up

For young women interested in careers that combine business with environmental impact, Metcalf's advice is refreshingly practical.

“Get comfortable with detail,” she says.

Sustainability, in her view, is not only about big ideas and ambitious commitments. It is often found in the technical details of supply chains, standards, compliance and operations.

She encourages young women not to overlook industries simply because they may not appear glamorous.

“Some of the most meaningful impact happens in supply chains and standards work, far from the spotlight.”

Most importantly, she says, credibility needs to be built on evidence.

“Build your credibility on evidence, not opinion. That’s what earns you a seat at the table.”

A shared responsibility for South Africa's water future

Metcalf does not see water stewardship as the responsibility of one sector alone.

Businesses need to demonstrate that their water sourcing is sustainable and monitored. Consumers can play their part by asking more questions and supporting companies that can substantiate their claims. Industry bodies, meanwhile, have a role in maintaining pressure around standards and enforcement.

“Everyone has a role,” she says.

Ultimately, she believes water management needs to become a shared discipline rather than an issue addressed only when a crisis emerges.

Paying leadership forward

Mentorship has played an important role in Metcalf's own career, and she sees supporting younger women as part of her responsibility as a leader.

I wouldn't be in this role without people who took the time to challenge and back me early on.

Her approach to mentorship is direct. She wants younger women to understand that leadership is not always glamorous and that sometimes the most important contribution a leader can make is being willing to say what needs to be said.

“I hope other women see that you don't need to soften your convictions to lead well.”

It is a message that reflects the leadership philosophy she has developed throughout her career: purpose needs conviction, but meaningful change also requires patience, collaboration and evidence.

Raising the bar

Looking ahead, Metcalf's ambition for SANBWA is closely tied to that philosophy.

She wants the organisation to be remembered for raising standards within the industry and making transparency and accountability the expectation rather than the exception.

And for young women considering their own leadership journeys, her message is equally clear.

“You don't have to choose between building a successful business and protecting something that matters.”

For Metcalf, that balance is not a contradiction. It is precisely what responsible leadership should look like.

“The leaders our country needs most are the ones who insist on both.”