Site contamination : harm to water determination under the proposed - PowerPoint PPT Presentation

South Australia’s Environment Protection Authority Site contamination : harm to water determination under the proposed SA EPA WQEPP Tuesday 19 March 2013 Changes to the harm to water determinations Mark Hassam

Site contamination : harm to water determination under the proposed SA EPA WQEPP CURRENT » What is harm to water that is not trivial? The EPA considers that actual harm to water that is not trivial has occurred if chemical substances are in excess of background concentrations and are: • above the water quality criteria for the appropriate protected environmental value, The water quality criteria is found in the or where there is no value SA WQ EPP (2003) for the appropriate protected environmental value • above the laboratory limit of reporting using a laboratory method approved by the Authority.

Site contamination : harm to water determination under the proposed SA EPA WQEPP

Site contamination : harm to water determination under the proposed SA EPA WQEPP PROPOSED Environmental value Water quality criteria Appropriate guideline Drinking water Potable Australian Drinking Water Guideline 2011 (health) Ecosystems Aquatic ecosystem (fresh) Australian and New Zealand guidelines for fresh and marine Aquatic ecosystem water quality (marine) Recreational use Recreation & Aesthetics Guidelines for Managing Risks in Recreational Water 2008 (primary & secondary (National Health & Medical Research Council 2008) contact) Agricultural commercial Agricultural use Australian and New Zealand Guidelines for fresh and marine use (irrigation & stock water quality: - Primary industries watering) Aquaculture

Site contamination : harm to water determination under the proposed SA EPA WQEPP

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