5. In Assessment Reports prepared under the Clean Water Act, 2006, how will local Source Protection Committees identify and evaluate potential threats to drinking water quality?

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ANSWER: Activities or conditions which may adversely affect drinking water quantity (i.e. consumptive uses or activities reducing aquifer recharge) must be evaluated in Assessment Reports in accordance with technical rules issued by the Ministry of the Environment under the Clean Water Act, 2006. These rules require Source Protection Committees to prepare water budgets at varying scales and levels of detail in order to accurately understand groundwater flows, surface water flows, and potential stresses on these resources. Where necessary, detailed risk assessments shall be undertaken by Source Protection Committees in local areas in order to determine whether such activities or conditions constitute significant or moderate drinking water threats.

ANALYSIS:

Background: Assessment Reports

Assessment Reports are generally intended to serve as the technical and scientific basis for developing appropriate Source Protection Plans under the Clean Water Act, 2006 ("CWA"). In essence, Assessment Reports must: Download rest of 5-page fact sheet below.

Last updated June 2009

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