Clean Water Act
1977: Permits required for
point source discharges
1987: Amended to include
stormwater as a point source
1992
1977 / 1987
Phase II MS4 Permit
Federal mandate regulated by
the state to develop a
stormwater management
program that would reduce
stormwater pollution.
2003
1970
U.S. EPA
The Environmental
Protection Agency is
established.
1978
Pennsylvania Act 167
2002
Requires municipalities to adopt or amend
ordinances to regulate development and
control stormwater.
PA Comprehensive Stormwater
Management Policy
Integrate stormwater management programs
and promote a comprehensive watershed
approach to stormwater.
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ROSS TOWNSHIP