Note to users
Domain: | Health, Environment and Public Safety |
Indicator: | Water Quality |
Measure: | Municipal population served by wastewater treatment |
Time Series: | 1983-1994 |
Definitions:
Primary treatment: removes insoluble matter only.
Secondary treatment: removes biological impurities from water treated at the primary level.
Tertiary treatment: removes nutrients and chemical contaminants remaining after secondary treatment.
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