Water Pollution
Major contaminant in Waukesha’s water supply
Radium
Source of Milwaukee’s drinking water supply
Lake Michigan
Number of Great Lakes
5
Substance that costs 1 cent for 3 gallons
Milwaukee tap water
Act which regulates the discharge of pollutants into waterways, recently had its 50th anniversary
The Clean Water Act
Recently regulated contaminant, a component of non-stick pans, in Wisconsin
PFAS Per- and polyfluoroalkyl substances
These two sectors account for 78% of daily water withdraws in the U.S.
Thermometric power and agriculture/irrigation
Deepest Great Lake
Superior
Most profitable species harvested by Great Lakes commercial fishing operations
Yellow perch, lake whitefish, and walleye
An act instituted in 1974 to regulate the nation’s public drinking water supplies
The Safe Drinking Water Act
Compound used in agriculture that also turns baby’s skin blue
Nitrates from fertilizer
Household fixture that accounts for the largest share, 24%, of indoor water use
Toilet
Residence time of water in Lake Superior in years
200
$7.3 million
State agency that regulates agriculture’s effects on water quality
WI Department of Natural Resources
Point source for water pollution
sewage outfall, factory discharge pipe
State with the highest per capita domestic water use
Idaho
River that caught on fire in 1969 galvanizing water legislation
Cuyahoga R.
Market-based approach for controlling surface water pollution
Water quality trading
This 2008 international agreement addresses water quantity management and regulated diversion in the Great Lakes
Great Lakes Compact
Utility responsible for Milwaukee wastewater treatment and flood management
MMSD, Milwaukee Metropolitan Sewage District
Percent of Wisconsin's population that drinks private well water
25%
Most popular introduced species to the Great Lakes
Salmon
Percent increase in shipping costs resulting from a 3 feet drop in Great Lakes water levels
4% - 12%
A plan for restoring impaired waters that identifies the maximum amount of a pollutant that a body of water can receive
Total maximum daily load (TMDL)