Melosi 17-19

city water/sewer/sanitation systems were developed mostly around issues of disease

the environmental movement was concerned with chemical pollution (mostly from factories)

solid waste dumped in landfills but it was becoming visible as a problem because more and more waste
recycling was declining 1945-1970
reuse of materials (such scrap metal, rags) seemed oldfashioned and inconvenient

What changes after 1970:

85% of population received water from public suppliers in 2000

Army Corps of Engineers projects
Increasing concern about water quality

1972 clean water act
the responsibilities of water systems had changed dramatically