Sellafield site emergency exercise

The Sellafield site emergency exercise may involve the sounding of the site siren and the use of low-level pyrotechnics and blank firearms. The sound from these exercise activities may be heard off-site.

Local residents who are registered to receive automated SMS text, email and telephone warnings from Sellafield, may be contacted.

If you are a local resident and haven’t yet signed up to receive automated alerts, but would like to, follow the instructions below.


Emergency exercises are held regularly at all nuclear licensed sites to test their readiness in the event of an emergency.

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