Every two years section 305(b) of the Clean Water Act requires states to publish an overall report on the quality of all surface waters across the state. This report, called the Integrated Report of Water Quality, is submitted to the EPA on April 1…
Subscribe to receive updates about water quality standards and assessments. The Clean Water Act (CWA) requires states to assess the quality of its surface waters and report the results to the public.
Wisconsin has designated many of the state's highest quality waters as Outstanding Resource Waters (ORWs) or Exceptional Resource Waters (ERWs). Waters designated as ORW or ERW are surface waters that provide outstanding recreational opportunities,…
Lake Trout (top) Splake (middle) "Coaster" Brook Trout (bottom) Lake Trout (left) will have a deeply forked tail. Splake (middle) has a moderately forked tail. "Coaster" Brook Trout (right) has only a slightly forked tail. Splake has a…
Particulate Matter (PM) pollution consists of solid particles or liquid droplets suspended in the air. Fine particles (PM2.5) may be emitted directly into the atmosphere but are more commonly created by reactions of other pollutants, such as…
Clean air is important to human and ecosystem health. Poor air quality can affect people of all ages, especially those sensitive to air pollution, including people with asthma or heart conditions, people who work and exercise outdoors, and older…
Many electronics, including computers, printers and TVs, are banned from Wisconsin landfills and incinerators. All schools must either recycle electronics or manage them as hazardous waste. List of electronics banned from Wisconsin landfills and…
The invasive species rule, Wis. Admin. Code NR 40, makes it illegal to possess, transport, transfer or introduce certain invasive species in Wisconsin without a permit. Everyone is responsible to comply with these regulations. What you need to do as…
Use the links on this page to access publications and references related to our work with beach pathogen indicators and water quality models, including a list of useful articles and documents dealing with statistical modeling of E. coli and other…