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

Tuesday 19 March 2013

South Australia’s Environment Protection Authority

Changes to the harm to water determinations Mark Hassam

Site contamination : harm to water determination under the proposed

SA EPA WQEPP

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

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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,
• r where there is no value
• above the laboratory limit of reporting using a laboratory method approved by the

Authority. The water quality criteria is found in the SA WQ EPP (2003) for the appropriate protected environmental value

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

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

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

PROPOSED

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

Questions