Great Lakes
This Great Lake is the largest by surface area.
What is Lake Superior?
The percentage of Earth's water that is freshwater.
What is 3%?
This fish is known as the “king” of sport fishing in the Great Lakes.
What is Chinook salmon?
The U.S. agency primarily responsible for setting and enforcing water quality standards.
What is the Environmental Protection Agency (EPA)?
This ship-borne invasive species, first discovered in the Great Lakes in 1988, caused significant ecological changes by filtering plankton.
What is quagga mussel?
The number of U.S. states that have a shoreline on the Great Lakes.
What is eight?
The sector that uses the most freshwater globally.
What is agriculture?
This fish, nearly extinct in Lake Michigan, has made a recovery due to stocking programs.
What is lake trout?
The U.S. law that regulates the discharge of pollutants into navigable waters.
What is the Clean Water Act?
This is the number of non-native fish species that have been documented in the Great Lakes.
What is at least 34?
The only Great Lake that is entirely within the United States.
What is Lake Michigan?
This landscaping method, designed to reduce or eliminate the need for irrigation, is popular in arid regions.
What is xeriscaping?
This once-abundant fish species was heavily fished for its roe, marketed as caviar, but its populations have declined significantly in the Great Lakes.
What is lake sturgeon?
This international agreement prevents the diversion of Great Lakes water to areas outside the basin.
What is the Great Lakes–St. Lawrence River Basin Water Resources Compact?
This invasive fish species, known for its jawless mouth, parasitizes native fish in the Great Lakes.
What is sea lamprey?
This Great Lake is connected to Lake Michigan by the Straits of Mackinac.
What is Lake Huron?
This pricing practice charges higher rates for excessive water use, encouraging conservation.
What is tiered water pricing or block rate pricing?
This fish species was introduced to Lake Michigan in the 1960s to control the alewife population.
What is coho salmon?
This regulatory term refers to the maximum amount of a pollutant that a waterbody can receive while still meeting water quality standards, often established to address water quality impairments.
What is Total Maximum Daily Load (TMDL)?
This invasive bottom-dwelling fish, originally from the Black and Caspian Seas, competes with native species for food and habitat in the Great Lakes.
What is round goby?
The Great Lake with the deepest point, reaching 1,333 feet (406 meters).
What is Lake Superior?
This nutrient, commonly found in agricultural runoff, leads to harmful algal blooms in freshwater systems like the Great Lakes.
What is phosphorus?
This is the estimated annual economic value of the combined commercial, recreational, and tribal fisheries in the Great Lakes.
What is more than $7 billion?
This market-based approach allows entities to achieve compliance with pollution reduction goals by buying and selling credits, promoting cost-effective solutions for improving water quality.
What is water quality trading?
This Asian fish species, known for leaping out of the water, poses a threat to the Great Lakes if introduced.
What is Asian carp?