water quality Crossword

This printable crossword puzzle on the topic of Oceans & Water has 10 clues. Answers range from 2 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

a specific source of pollution that can be pointed to
a measure of how acidic or basic a a substance is on a scale of 0-14
a process in water treatment by which particles settle or sink to the bottom
a widely spread source of pollution that is difficult to link to a specific point
a process in water treatment by which chlorine is added to water to kill disease causing microorganisms
cooler water holds more dissolved oxygen for aquatic organisms
nutrient from fertilizer that can lead to an algal bloom and has a negative impact on human health if present in drinking water
a process in water treatment by which particles in a liquid clump together
nutrient from fertilizer and detergent that can lead to an algal bloom
a responsibility to converse and protect our natural resources