25 Sites, Three Years: The EA's PFAS Detection and Disclosure Timeline
The Environment Agency detected PFAS contamination at 25 sites across Cumbria and Lancashire in 2022. Councils were not informed until 2025. The public did not find out until a journalist filed a Freedom of Information request in February 2026. This post maps the documented timeline.
- Watershed Investigations FOI disclosure, February 2026
- Environment Agency PFAS monitoring programme data (via FOI)
- [UNVERIFIED] Council notification correspondence, 2025 — not yet confirmed against primary documents
What the Evidence Shows
In 2022, the Environment Agency (EA) conducted PFAS monitoring across sites in Cumbria and Lancashire. The monitoring identified PFAS contamination at 25 sites within that area.
The disclosure sequence, as currently documented:
| Date | Event | Source |
|---|---|---|
| 2022 | EA detects PFAS at 25 Cumbria/Lancashire sites | EA monitoring programme (via Watershed FOI) |
| 2025 | EA informs local councils of findings | [UNVERIFIED — not yet confirmed against primary correspondence] |
| February 2026 | Watershed Investigations FOIs the data; findings become public | Watershed Investigations report, Feb 2026 |
A gap of approximately three years elapsed between detection and public disclosure. The data was not published by the EA or communicated proactively to the public. It entered the public record only when Watershed Investigations submitted a Freedom of Information request.
What a Council Official Said
Following disclosure, a council official is reported to have stated that they “wished the resident had not been told.” [UNVERIFIED — this quote requires confirmation of source, date, context, and whether it is attributed to a named official or recorded in a document. It has not been confirmed against a primary source as of the date of this post.]
If verified, this statement would represent a documented instance of an official expressing a preference for non-disclosure to an affected resident.
The Agency Chain
The documented pattern across agencies involved in Cumbrian and Lancashire PFAS monitoring shows the following:
- Environment Agency: Responsible for monitoring and permit enforcement. Detected contamination 2022. Councils notified 2025 [UNVERIFIED]. Public informed February 2026 via FOI.
- Local councils: Received data approximately 2025 [UNVERIFIED]. Did not issue public statements before the Watershed disclosure.
- UKHSA / FSA / DWI: Whether these bodies received the data, and what action they took, is not confirmed in current documentation. [UNVERIFIED — requires FOI follow-up.]
What This Does and Does Not Establish
What the timeline documents:
- EA had contamination data for approximately three years before public disclosure
- Disclosure occurred as a result of a journalist’s FOI request, not proactive publication
- Councils were, by the EA’s own account, not informed promptly
What requires further evidence:
- Whether the delay was in accordance with EA’s statutory obligations or represented a departure from them
- The reasons given internally for the delay
- Whether any risk assessment was conducted during the period of non-disclosure that concluded public communication was unnecessary
- The specific wording of the council official’s reported statement and its full context
Why This Matters for Hillhouse
The Hillhouse site in Thornton-Cleveleys sits within this geographic area. AGC Chemicals Europe holds an environmental permit authorising discharge of EEA-NH4 and associated compounds into the River Wyre. The Part 2A contamination assessment of the Hillhouse site has generated monitoring data that is not fully in the public domain.
Whether the pattern of delayed disclosure observed across these 25 sites applies to Hillhouse-specific monitoring data is not established. It is a question that merits a direct FOI request to the EA.
[UNVERIFIED] items in this post require confirmation against primary documents before they can be treated as established facts. This post will be updated as verification is completed. See the Sources page for citation status.