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WATER QUALITY
Planning
Planning and forecasting of seasonal variations and operational projects provided opportunities to develop contingency plans to address potential process issues. Issues identified included bromate, manganese, blue green algae, chlorine demand and supply demand.
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Training
Veolia provide a high level of continued education and training to operators and support staff. The skilled, experienced staff proactively identify water quality risks and undertake preventative measures to maintain a high standard in drinking water quality. In 2022/23, Veolia staff undertook refresher training in Water Quality Risk Management and Critical Control Plans.
Veolia provided learning pathways in accordance with Victorian Framework for Water Treatment Operator’s Competencies: Best Practice Guidelines In 2023, the Bendigo operations team has eight operators certified under the scheme.
Safe Drinking WaterActAudit
In March 2023, a regulator audit was undertaken for the Coliban Water Drinking Water Risk Management plan. The audit included a review of Veolia’s management procedures and a site visit to Castlemaine WaterTreatment plant. No non-compliances were reported. 1 OFI was noted and will be managed through the partnership.
Contractual Requirements
Veolia reviewed theAQUAdeed and the application of the water quality performance standards to ensure compliance and management to current regulatory and public health risks. Veolia revised versions of management plans that are referred to in the AQUADeed. No changes were required to the
● Water Quality Response Plan
● Taste and Odour Management Plan
● Algal Management and Response Plan
2023 Coliban Water Drinking Water Risk Management Plan
In February 2023, Coliban Water issued Version 11 of the Coliban Water Drinking Water Quality Risk Management plan. Version 11 included review of the critical control plans and setpoints across theAQUAsites.
In March 2023, Veolia requested temporary changes to disinfection setpoints to allow adequate residual disinfection following deterioration of raw water quality following the October 2022 regional floods.
In June 2023, Veolia reverted to the original setpoints following the stabilization of raw water quality.
