H2O(h No!) Crossword

An entire farming district is an example of a
Pollution can be easily traced back to a
Old bath water, dishwater, and human sewage from toilets
Excess nutrients in water that feed oxygen guzzling microbes
Higher___values indicate higher levels of pollution by wastewater
Fish can't live here due to low oxygen levels
Water increases in fertility
Human waste polluted water and increases productivity of water
Used to test for pathogens in water
E. Coli is one of the most common forms of___.
Sewage treatment systems used in rural areas
Single households store wastewater in___.
The densest material in wastewater
The middle layer of water in a septic tank
Pipes of septic tanks are underground in a____.
The first stage of wastewater treatment
Breaks down 85%-90% of organic matter in water
Releases wastewater similar in quality to the waterway receiving it
Total amount of raw sewage dumped into water each year (gallons)
Must be lined with rubber to keep animal waste from leaching into groundwater
The upper limit for ____ in drinking water is 10 micrograms/L
Emissions from smokestacks > ____ > decreases pH of water
Bioaccumulation of ____ is especially high in marine predators
Flame retardant chemicals often detected in fish and aquatic birds
Huge concentration of solid waste in the North Pacific
Pollution that clogs fish gills and adds excess nutrients to water
Electrical power plants contribute to ____ in surrounding waters
When species die due to a dramatic temperature change
Manufacture, testing, and dismantling of military rockets pollute soil with____