What to check in your case
We compare the measured parameter with the condition in force, then examine the sampling point, time, method and laboratory report. For a breakdown, records of its cause, duration and containment measures matter.
Documents for your defence
Full notice or decision, front and back, and evidence of the date of service.
- Discharge permit or sewer connection authorisation and conditions
- Sampling report, analyses, treatment plant logs and maintenance records
Legislation and official sources
Information checked on 7 November 2026.