Water Quality and Treatment Crossword

How much oxygen is present in a body of water
pure water has a pH of 7 (neutral); 1-6 is acidic, 8-14 is basic
A measure of how clear water is
organisms living in water that indicate the quality of the water
Water pure enough to drink
Nitrogen-based nutrients commonly found in fertilizers and pesticides
the water and human wastes that are washed down sinks and toilets.
Nutrients become highly concentrated in a body of water, leading to growth of algae or cyanobacteria.
Phosphorus-based nutrients that can cause eutrophication in large amounts
U.S. Government Agency that creates and enforces laws dealing with the health of water
Pollution that can be traced back to a specific source
pollution that CANNOT be traced back to specific source
taking steps to protect the environment
a step in drinking water treatment in which particles in a liquid clump together
the process of water passing through layers of sand, gravel, and activated charcoal in order to remove impurities from the water
sticky globs created by adding chemicals to water during treatment
water cleaned at treatment plants that is used mainly for farming and irrigation