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Fines and enforcement

Regulatory and criminal enforcement against water companies and industrial polluters.

7 records
Southern Water — record penalty for wastewater offences

Environment Agency / Crown Court action against Southern Water: Thousands of illegal discharges of untreated sewage from wastewater treatment works between 2010 and 2015, together with del…

3M — PFAS public water system settlement

US federal court action against 3M: PFAS contamination of public drinking water systems.

DuPont and Chemours — PFAS settlements

US courts and state attorneys general action against DuPont, Chemours, Corteva: PFAS contamination of public water systems from manufacturing discharge.

Thames Water — Thames pollution fine

Environment Agency / Crown Court action against Thames Water: Repeated discharges of untreated sewage into the Thames and its tributaries from multiple sites.

Chisso Corporation — Minamata liability

Japanese courts action against Chisso Corporation: Discharge of methylmercury causing widespread neurological disease.

Yorkshire Water — Ofwat enforcement package

Ofwat action against Yorkshire Water: Failures in the operation and management of wastewater treatment works and storm overflows.

Flint — criminal proceedings against state officials

Michigan Attorney General action against State and city officials: Charges relating to the decisions and conduct surrounding the Flint water crisis, including involuntary manslaughter char…

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Hydrionis is an evidence-led water intelligence resource. Every figure carries its source, its method and its licence. Where Hydrionis does not hold a value, it says so rather than estimating one.

Hydrionis presents scientific and regulatory information for general reference. It is not medical, legal or engineering advice. Drinking water standards are jurisdictional: a limit applies only where it was made. For a concern about the water at your own property, contact your water supplier or the relevant regulator.

Data is drawn from public and open sources under their respective licences. Contains public sector information licensed under the Open Government Licence v3.0. Contains modified Copernicus service information. Country outlines derived from Natural Earth (public domain).

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