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The 1972 Clean Water Act requires that all sewage be treated to at least
"secondary" standards -- still pretty dangerous, and still a public health hazard, but not as bad as
"primary" sewage.
But San Diego led the struggle to avoid fully treating the sewage, and received the first "WAIVER" in
1995 allowing San Diego to dump poorly treated sewage into the Bay.
San Diego is the last of the waivers in California, and the last big waiver. Of the other 30 waivers, most are
in small communities in places like Alaska. No major metropolitan area takes a chance with its Citizens' health
like San Diego is doing.
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