What type of permits must be obtained before initiating stormwater management activities?

Obtaining the appropriate permits is a critical first step in stormwater management activities, as various regulations at different levels of government aim to protect water quality and manage stormwater effectively. The correct option highlights the necessity to comply with all applicable federal, state, and local regulations.

Federal regulations often set standards that aim to protect waterways from pollution and may require permits for activities that could impact them, such as the National Pollutant Discharge Elimination System (NPDES) permits. State regulations can introduce additional requirements, which may vary based on regional environmental policies and conditions. Additionally, local regulations often encompass specific ordinances that address stormwater management in accordance with community needs and land use planning.

By requiring adherence to all these levels of regulations, the correct answer reflects the comprehensive approach necessary to ensure that stormwater management practices are environmentally sound, legally compliant, and effective in mitigating runoff and preserving water quality. This integrated permitting process helps ensure that all potential impacts are assessed and managed before any stormwater management activities are initiated.