EPAProposed Rule
National Pollutant Discharge Elimination System - Proposed Regulations for Revision of the Water Pollution Control Program Addressing Storm Water Discharges [W-97-12-I-A.1.a]
EnvironmentAgricultureTransportation
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Summary
The EPA is proposing new rules to better control pollution from storm water runoff—the water that flows from streets, parking lots, and construction sites into rivers and streams during rainstorms. These rules aim to reduce contamination from sources like oil, chemicals, and sediment that harm aquatic ecosystems and drinking water supplies.
Key Points
- 1The rule targets storm water discharges from industrial sites, construction areas, and municipal storm drain systems that currently have minimal pollution controls
- 2It requires businesses and local governments to implement better practices like filtering systems, retention ponds, and regular maintenance to prevent pollutants from entering waterways
- 3The regulation would affect construction companies, manufacturers, municipalities, and other industries that manage large areas of impervious surfaces like pavement and roofs
- 4Companies and municipalities would need to develop storm water management plans and monitoring programs to track pollution levels
- 5This is still a proposed rule, meaning the EPA is seeking public feedback before finalizing it, with implementation timelines to be determined after the comment period ends
Key Dates
Published
July 24, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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