PBHL 2201 Lecture Notes - Lecture 28: Great Lakes Areas Of Concern, Flint, Michigan, Cuyahoga River
13 Apr 2016
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Companies could discharge directly into bodies of water. Municipal and industrial discharges, storm water runoff, bank erosion, hazardous waste disposal sites, combined sewer overflows, wastewater treatment bypasses directly into the river. Pollution noted in early 1800s oozes rather than flows . On june 22, 1969 a river fire captured national attention. This event helped spur an avalanche of pollution control activities resulting in the clean water. Act, great lakes water quality agreement and the creation of the federal and state. Prescription medicines or over-the-counter (otc) drugs or veterinary drugs. Interfere with hormonal systems during synthesis or transport of hormones. Estrogens (natural or synthetic), dioxins, pcbs, ddt, some pesticides. Inactive estrogen is converted back to active during water treatment process. Typically estrogen is present at ~3 ng/l in drinking water. Nonpoint source (nps) pollution comes from many diffuse sources. Nps pollution is caused by rainfall or snowmelt moving over and through the ground.
