On 20 June 2024, Alistair Gould and his stepson Simon walked down to their fishing lake at Furnace Brook in East Sussex's High Weald and found an apocalypse. More than 2,000 fish were dead or dying across 15 species — carp, tench, bream, roach, trout, large eels. The eels, hardy enough to travel overland, were climbing out of the water to die on the banks. The lake, a 2.4-hectare stream-fed fishery surrounded by ancient woodland, was biologically finished overnight. The Goulds quickly ruled out self-inflicted damage. Clippenham stream, which feeds the lake, was itself full of dead fish — lamprey, brown trout, freshwater mussels — all the way upstream. A former ecological consultant traced the pollution to a tributary running off a neighbouring property called Morgans Farm, where water had turned blue-black with a thick layer of 'bacterial cheese' — a bacterial colonisation explosion driven by extreme nutrient loading that strips all dissolved oxygen from the water. At the source: a 'slurry lagoon' in a cleared corner of ancient woodland, accessible by heavy vehicle. Shortly after the incident, the pit was filled in and covered with waste soil, then obscured beneath hundreds of plastic-wrapped hay bales. The Environment Agency visited two days after the kill, declared it a Category 1 incident — the most severe classification, denoting serious, extensive or persistent environmental impact — and took water samples. More than two years later, the EA has taken no enforcement action. The Goulds, who estimate £500,000 in lost income from their destroyed angling business, bought their own water testing equipment. Independent lab results from July 2025 still showed heavy metals 'off the chart,' ammonia levels 'well outside acceptable limits for any freshwater life,' and nitrogen levels 'toxic to all aquatic life.' The story sits inside a wider pattern of regulatory collapse. Just 14% of England's rivers and lakes have 'good ecological status' according to 2025 government statistics, and every single one is polluted with chemicals. Illegal dumping has become its own crisis — a 150-metre rubbish mountain in Kidlington, 35,000 tonnes dumped in Hoad's Wood at an estimated £15 million cleanup cost. Successive governments over two decades have loosened environmental regulations and, critically, neutered the EA itself, stripping it of the resources and political backing needed to investigate and prosecute. The enforcement architecture is designed for failure. EA investigations take years. Penalties are rarely meaningful. Polluters face negligible deterrence. The Goulds' biologist estimated 10-15 years for the lake to recover ecologically — assuming no further pollution events. The Clippenham stream feeds the Pevensey Levels on the south coast, where water is extracted for drinking and agriculture, meaning the contamination has implications well beyond one fishing lake. What makes Furnace Brook unusual is the Goulds' response. Alistair, an ecological consultant with a background in low-carbon design, is developing a plan not just to restore the lake but to model a different relationship between land management, community, and ecological function. Whether that model can scale against the structural incentives — where polluting is cheap, enforcement is absent, and environmental destruction is externalised onto communities with no recourse — is the question that matters.