ENH 424 Lecture Notes - Lecture 2: Chloramine, Safe Drinking Water Act, Disinfectant
Document Summary
Legionella is increasingly implicated as a cause of waterborne disease outbreaks in the usa. Most cases occurring in old resident homes. The following factors contributed to the walkerton drinking water outbreak of 2000 (multisimplicity?) Canada has no coordinated national surveillance system to collect data on waterborne diseases (refer to lecture 1 slide 3) Boh of responsibility: (bound by law, carried out by phi) Provide education and information to private citizens ,owners, recreational facilities and drinking water systems operators. Conduct surveillance of illnesses in their health units (includes follow up) Assessment of beaches and recreational water facility. 24/7 system on call of any safe water issues. Health units have to maintain a list of small water drinking systems in their units. Duri(cid:374)g i(cid:374)spe(cid:272)tio(cid:374), they ha(cid:448)e to use a (cid:862)risk-assess(cid:373)e(cid:374)t (cid:271)ase approa(cid:272)h(cid:863) Inspect drinking water haulage vehicles annually (phis are to inspect it) Perform a risk assessment approach to categorize that system (is it a higher risk?)