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| Over the years, the quality of some Illinois lakes, rivers,
and streams has been impaired by pollutants from a variety of
sources. However, since the signing of the federal Clean Water
Act (CWA) in 1972, water quality has improved greatly, primarily
through regulation of point source discharges. Although great
strides have been made in restoring our state waters, there
are still degraded lakes, streams, and rivers that need attention.
Restoring their quality is crucial in maintaining a healthy
environment and ensuring the sustainability of these waters
for all to use and enjoy.
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Water
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