Antoine Walter
(don't) Waste Water! | Water Tech to Solve the World
❓ Ever wondered how the #WaterIndustry was reacting to our World's Water Challenges? Water Scarcity? #SDG6? PFAS? Climate Change? Circular Economy? Digitization and Smart Water?💪 Get the Water Market pulse for free. In one hour per week, while you do the dishes!📈 We talk water investment, water tech, water entrepreneurship and water market with entrepreneurs, thought leaders, book authors, scientists, investment funds, VCs, and C-Level experts from water majors.➡️ Leverage their insights, advice & experience and ensure to stay on top of best practices🗓️ Tune in every Wednesday (don't miss o...
Where to listen?
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Episodes
The Water VC You Can't Name (How HG Ventures Deployed $48,523,663 in Water Tech) 03.06.2026 1:01:12
How did HG Ventures quietly become one of the most active water tech investors on the planet, without even calling itself a water VC? HG Ventures is the corporate venture capital arm of The Heritage Group, a 100-year-old, family-owned Indianapolis conglomerate active in asphalt, quarries, environmental services and specialty chemicals. With $350M in assets, the fund deploys around $50M a year acro...
600 Private Water Bets - Zero Public Exits. Is This Sector About to Crack? (and will Gradiant IPO?) 28.05.2026 1:17:01
The First Water Sector Unicorn Wants to IPO. But Wall Street kinda forgot how to buy water... Early-stage water tech funding quadrupled in seven years. Private equity's share of water M&A doubled in a decade, with a record 165 PE-led acquisitions in a single year. The bench of PE-owned water platforms grew from 42 companies in 2015 to nearly 600 in 2025. And the sector just minted its first tw...
Guess Who Just Spent $700M on Water? (10 Things Investors Missed) - CRH acquires Axius Water from KKR and XPV Water Partners 04.05.2026 46:24
On April 30, 2026, CRH plc (NYSE: CRH) announced a $700 million agreement to acquire Axius Water from KKR and XPV Water Partners - instantly making the Irish-American building materials giant one of the largest water infrastructure players in North America. If CRH acquires Axius, what's next? Most investors missed it, so I thought I'd decode it! Here are the 10 things you need to see. So you got i...
Your Cup of Coffee Uses 29,600x More Water Than a ChatGPT Prompt (w. Alex Passini) [2/2] 01.05.2026 53:55
Everyone says AI is drinking the planet dry, right? Well, the numbers say your morning coffee uses 29,600× more water than a ChatGPT prompt! In this episode, I sit down with Alex Passini to pressure-test the dominant narrative around AI's water footprint - and what we found completely flips the story the media is telling. Here's what most "AI water crisis" headlines miss: → A single ChatGPT prompt...
Nobody Asked What the Public Actually Thinks About AI and Water. So I Did. [1/2] 01.05.2026 14:22
Every analyst, every think tank, every consulting deck has an opinion on AI's water footprint (and overall on AI and Water) But nobody bothered to ask the people actually watching the videos, posting the comments, and shaping the narrative. You'd need to be mad to do that, right? So I read 2,540 of them. 😅 Across 9 of the most-watched YouTube videos on AI water consumption, and overall on AI and...
The 2027 Deadline That's About to Reprice Water Companies (Data Center Water) 22.04.2026 29:52
Who Buys the First Data Center Water Company? And When Does the Repricing Start? Data center water treatment is a $1.1 billion market growing nearly 15% per year, with 60% of spending recurring - generating an "infinite money glitch" for the righty designed water tech companies. So, strategic buyers, private equity sponsors, and VC-backed platforms are racing to consolidate water tech expertise. M...
Data Center Consumption DOESN'T Matter... But Discharge Does! (AI Water Footprint) 15.04.2026 26:12
What Is the Real Water Problem Behind AI Data Centers - and Where Is the $1.3 Billion Opportunity? AI Water seems to concern everybody, while data center water treatment is the fastest-growing industrial water vertical in the world - $1.35 billion in 2025, growing at 13.3% per year. But the media is chasing the wrong story. The real problem isn’t consumption volume — it’s the concentrated industri...
Why a Broke Football Club Spent Millions on Water (Gucci's Water Reuse Strategy) 08.04.2026 16:58
Why Did a Broke Football Club Owned by Gucci's Family Invest Millions in Water Reuse? Stade Rennais, the French football club owned by the Pinault family behind Kering (Gucci, Balenciaga, Bottega Veneta...), buried a €1.5 million closed-loop water system under its renovated La Piverdière training complex in February 2025. This investment, during French football's worst financial crisis, reveals a...
By 2050, Clean Water Will Cost You $3'700 a Year (I Recalculated the US EPA Numbers) 01.04.2026 34:10
How Much Does The USA Really Need to Fix Its Water Infrastructure? And Why Is Nobody Talking About the Real Number? (Hint: the US EPA has it wrong!) I built a bottom-up predictive model spanning 32 federal datasets, 433,000 water systems, and 15.1 million regulatory violations to determine the true cost of bringing US water infrastructure back to shape. The answer: $3.9 trillion over twenty years...
Forget Russia & Qatar: Europe has a New Gas Source (spoiler: it's wastewater biogas) 27.03.2026 26:00
Can Europe's Sewage Plants Replace Russian Gas? (aka: the €1.9 Billion Biomethane Opportunity) Europe's wastewater treatment plants are sitting on a massive untapped energy reserve. With the right upgrades, roughly 1,900 facilities across Europe could produce 13.4 billion cubic meters of biomethane per year — matching Russia's remaining pipeline gas deliveries in 2024. Let me break down the econom...
His First Two Inventions Made Billions - Number Three Just Went Live 21.03.2026 33:17
How Did Pierre Côté Build Two Unicorn Water Technologies - and Why Is He Now Betting on Algae? Pierre Côté is arguably the most successful water technology inventor alive. With over 100 patents across four decades, he created ZeeWeed (the membrane that launched the $3.63 billion MBR market) and co-invented ZeeLung (anchoring the ~$500 million MABR market). Now in his seventies, he's co-founded Alg...
This French Lab Wants to Replace Every Pump in Desalination (ilion Water Technologies) 16.03.2026 35:40
Can 4 Volts of Electricity Replace 60 Bars of Pressure in Seawater Desalination? ilion Water Technologies is a 2025 spinout from the Physics Laboratory of the École Normale Supérieure in Paris. Their VIRO (Voltage-Induced Reverse Osmosis) technology claims to replace the high-pressure pump train in seawater desalination with an alternating electric field applied to engineered composite membranes,...
Why Water Testing Methods Are Dangerously Outdated (w. Lorenzo Falzarano - Orb) 14.01.2026 1:10:12
Why Are Water Testing Methods Dangerously Outdated - And What's the Fix? Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab ORB is a water tech company revolutionizing water testing through real-time m...
25 Years of Acquisitions Built This Water Tech Powerhouse [M&A] 24.12.2025 1:04:58
How Did H2O Innovation Build a Water Empire Through 18+ Acquisitions (M&A)? Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab H2O Innovation is a Quebec-based water solutions company founded in 20...
The Future of Water Tech VC: Why Specialists Are Finally Emerging. 17.12.2025 59:03
How is Cycle H2O (a new Water VC) De-Risking Early Stage Water Tech Investment? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab Cycle H2O is a Canadian water-focused venture capital fund investin...
Would You Gift Sewage for Christmas? 03.12.2025 33:36
What Wastewater Products Can You Actually Buy for Christmas? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab My best water tech analysis straight to your inbox: https://www.linkedin.com/build-rel...
Ovivo's Bold Vision: Back to Full Size in One Decade! 26.11.2025 1:03:01
How Will Ovivo Rebuild to Full Size in 10 Years After the Ecolab Deal? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab ⬇️ IN THIS EPISODE ⬇️ Ovivo is a global water treatment technology provider...
What Happens When You Build a Water Membranes Factory Just to Prove a Point? 20.11.2025 28:25
How Is Aqua Membranes Scaling 3D-Printed Water Membranes Spacers from Garage Startup to 200,000 Square Foot Manufacturing Facility? Let's find out! 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab...
The Most Ridiculous Water Technology I've Ever Analyzed (it was worth it!) 12.11.2025 36:43
Can Cloud Harvesting Revolutionize Water Production? A Deep Dive into AirHES Technology 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab ⬇️ IN THIS EPISODE ⬇️ AirHES is a proposed atmospheric wate...
What Does a Billion-Dollar Company Exit Really Look Like? 29.10.2025 51:16
How Does Water-as-a-Service Drive Billion-Dollar Exits in Infrastructure Investment? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab ⬇️ IN THIS VIDEO ⬇️ Seven Seas Water Group is a vertically int...
Company Failure: How SOURCE Lost Everything in Just 12 Months 22.10.2025 25:32
🤔 What Happened to Source Global's Water-from-Air Technology? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab My best water tech analysis straight to your inbox SOURCE (formerly Zero Mass Water)...
Why 32 Companies Fight Over 24 Electrochemical Oxidation PFAS Destruction Deals 15.10.2025 23:28
How Do 32+ Electrochemical Water Oxidation Technologies Compete for PFAS Destruction Market Share? Listen to this! 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner, Georg Fischer: https://www.gfps.com/com/en/products-solutions/solutions/de...
Can We Actually Afford to Clean Up Forever Chemicals? 15.10.2025 57:55
How Can We Afford to Remove PFAS from Our Environment When Treatment Costs Exceed Global GDP? 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: https://link.dww.show/simplelab ⬇️ IN THIS EPISODE ⬇️ PFAS (per- and polyfluoroalkyl...
3 Days at WEFTEC 2025: My Complete Water Tech Breakdown 06.10.2025 1:09:10
What's to remember from WEFTEC 2025? Here are my 5 Water Tech picks, 3 Marketing Tips, the State of the Union on the Water/AI Nexus, and much more. Wanna get 3 Days at WEFTEC summarized in 70 Minutes? Listen to this! 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A b...
S13E11 - Henk Ovink: "Stop the Stupidity Before Disaster Hits!" 01.10.2025 35:49
Will we die young & rich or live older & less rich? That is why Henk Ovink is formal: We will fail on climate change if we fail on water. Wanna know why? Listen to this! 🤫 Tired of stitching together Crunchbase, overpriced reports, and "a guy who knows a guy"? I built the fix. 50 Founder Seats. Join the waitlist: leviathandata.io 🙌 Supporters 🙌 A big thank you to my partner SimpleLab: h...
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