Environment Protection Authority v Sydney Water [2022] NSWLEC 100

Environment Protection Authority v Sydney Water [2022] NSWLEC 100

Sydney Water is acquitted of the valve charge because the prosecution failed to prove beyond reasonable doubt that the isolation valve was not properly maintained rather than rendered inoperable by operator error; acquitted of the rising main charge because the pollution event was authorised by the EPL within the cap for dry weather overflows and Sydney Water had not contravened the maintenance condition, thus s 122 defence was established, and in any event had an honest and reasonable but mistaken belief no foreseeable failure would occur before 2023; convicted of the pumping station charge because the necessity defence was not substantiated—there was no evidence of a belief in an...

Parties
Prosecutor: Environment Protection Authority; Defendant: Sydney Water
Jurisdiction
Australia
Judgment Date
11 August 2022
Procedural Posture
Criminal Prosecution / Judgment After Hearing With Written and Oral Submissions
Outcome
Sydney Water acquitted on the valve charge and rising main charge; convicted on the pumping station charge; matter adjourned for sentencing on pumping station charge; costs reserved.
Legal Topics
Pollution of Waters, Environmental Protection Licences, Statutory Defence Under POEO Act S 122, Necessity Defence in Criminal Law, Honest and Reasonable Mistake of Fact, Maintenance of Plant and Equipment, Strict Liability Offences, Burden of Proof
Environmental Law Criminal Law Pollution of Waters Environmental Protection Licences Statutory Defence Under POEO Act S 122 Necessity Defence in Criminal Law Honest and Reasonable Mistake of Fact Maintenance of Plant and Equipment +2 more

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Parties

Environment Protection Authority

Prosecutor

Sydney Water

Defendant

Procedural Posture

Criminal Prosecution / Judgment After Hearing With Written and Oral Submissions

Legal Issues

  1. 1 Whether Sydney Water failed to maintain an isolation valve (valve charge) in accordance with its environment protection licence (EPL)
  2. 2 Whether Sydney Water polluted waters through a split in the rising main (rising main charge) and could rely on the s 122 POEO Act defence or honest and reasonable mistake of fact
  3. 3 Whether Sydney Water polluted waters during repair by overflow from the pumping station (pumping station charge) and could rely on the necessity defence

Ratio Decidendi

Sydney Water is acquitted of the valve charge because the prosecution failed to prove beyond reasonable doubt that the isolation valve was not properly maintained rather than rendered inoperable by operator error; acquitted of the rising main charge because the pollution event was authorised by the EPL within the cap for dry weather overflows and Sydney Water had not contravened the maintenance condition, thus s 122 defence was established, and in any event had an honest and reasonable but mistaken belief no foreseeable failure would occur before 2023; convicted of the pumping station charge because the necessity defence was not substantiated—there was no evidence of a belief in an...

Court Disposition

Sydney Water acquitted on the valve charge and rising main charge; convicted on the pumping station charge; matter adjourned for sentencing on pumping station charge; costs reserved.

Orders

  • Matter No 11342 of 2020: Sydney Water not guilty of breach of s 64(1) POEO Act, acquitted; costs reserved.
  • Matter No 11341 of 2020: Sydney Water guilty of breach of s 120(1) POEO Act by polluting waters via pumping station, convicted; costs reserved; adjourned for sentencing directions.