Stormwater Rulemaking Briefing. US Environmental Protection Agency. Overview. Regulatory framework Drivers for present rulemaking Rulemaking considerations Timeline Activities completed to date Activities in progress. Regulatory Framework.
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US Environmental Protection Agency
1972: CWA amendments establish NPDES permit program.
Program does not include stormwater.
All “point” sources
into “waters of the U.S.”
Must obtain anNPDES permitfrom an authorized state or EPA
1983: Nationwide Urban Runoff Program finds urban runoff a significant source of pollution
1987: CWA amendments direct EPA to regulate stormwater discharges under NPDES
Required EPA to establish permit application requirements for industrial and medium and large municipal separate storm sewer discharges
Required EPA to conduct a study to identify other stormwater discharges, assess associated pollutant loads, and submit the results in a report to Congress.
Provides authority for EPA to regulate other stormwater sources, based on the study, “to protect water quality”
1990:EPA promulgates Phase I Stormwater Rules
1999: EPA promulgates Phase II Stormwater Rules
EPA will consider
Retrofit requirements could:
Conducted five listening sessions and national webcast (2,000 participants)
Distributed questionnaires to regulated MS4s, transportation-related MS4, unregulated MS4s, NPDES permitting authorities and owners of developed sites to gather information
Conducted site visits with state and local stormwater managers, developers, engineers, and environmental advocates throughout the Northeast, Midwest, Southwest, Northwest and Southern California
Conducted five listening sessions on Chesapeake Bay specific provisions