A burst water main reportedly leaking 750 litres per second left approximately 6,000 properties across five south London boroughs and two Surrey boroughs without water or with critically low pressure on Monday. Schools including Esher College (2,000 students), Kingston Grammar School, and Hollyfield School and Sixth Form Centre were forced to close. Businesses scrambled — a Thames Ditton florist worried about keeping both staff and flowers hydrated. The outage began around 5am. Some reports attributed the rupture to a contractor striking the pipe with a digger, causing a four-foot breach in the Walton section. Thames Water confirmed its specialist team was on site but warned repairs would "take some time." Affected postcodes spanned CR4, KT1, KT10, KT12, KT2, KT3, KT5, KT6, KT7, KT8, SM4, SW16, SW17, SW18, SW19, SW20, TW10, and TW16. Hollyfield school told parents their water supply was "not replenishing at the same rate it is being used" and would run out by lunchtime, making it "unsafe for students to remain on site." Thames Water said it would deliver water to registered vulnerable customers and open bottled water stations at locations to be confirmed — reactive triage, not planned resilience. Liberal Democrat MP Monica Harding (Esher and Walton) called the situation "completely unacceptable" and pointed directly at the systemic cause: "My worry is that decades of underinvestment in our infrastructure and poor regulation may be causing incidences like this." Fellow Lib Dem MP Paul Kohler (Wimbledon) contacted Thames Water after reports spread across Wimbledon, New Malden, Raynes Park, and Morden. This is not a freak accident in an otherwise healthy system. Thames Water — England's largest water utility — is simultaneously fighting for financial survival, with creditors recently accused of "shuffling chairs on the Titanic" over boardroom restructuring plans. The company has extracted billions in dividends over decades while deferring maintenance on ageing pipe networks. A single mechanical impact creating a four-foot rupture in a major main is a symptom of infrastructure running well past its design life. The extraction pattern is textbook: shareholders and creditors captured financial value for decades while maintenance was deferred; the public now bears the cost in service failures, school closures, and emergency responses funded by the same ratepayers who already paid for service that wasn't delivered. Thames Water's apology and bottled water stations are not remediation — they are the minimum viable response to a predictable failure. The 20-year question is straightforward: without a fundamental change in how water infrastructure is funded, maintained, and regulated, incidents like this will increase in frequency and severity. Ageing pipes do not heal. Deferred maintenance compounds. The bill arrives eventually — just not to the people who pocketed the dividends.