13 Jun 2025

🌊Navy Announces Environmental Impact Statement for Sonar Testing

Notice of Public Meetings for Surveillance Towed Array Sensor System Low-Frequency Array Sonar Training and Testing Supplemental Environmental Impact Statement/Overseas Environmental Impact Statement in the Western North Pacific and Indian Oceans (ID# SEIS-007-17-USN-1727716941)

Summary

Pursuant to the National Environmental Policy Act (NEPA) and Presidential Executive Order 12114, DoN has prepared and filed with the U.S. Environmental Protection Agency a Draft Supplemental Environmental Impact Statement/Overseas Environmental Impact Statement (SEIS/OEIS) for Surveillance Towed Array Sensor System Low-Frequency Active (SURTASS LFA) Sonar Training and Testing in the Western North Pacific and Indian Oceans. The Draft SEIS/OEIS includes an analysis of the potential environmental impacts associated with conducting at-sea training and testing activities within the SURTASS LFA Study Area. The purpose of the Proposed Action is to perform training and testing activities that ensure the Navy remains proficient in the use of SURTASS LFA sonar in support of the Navy's mission.

Agencies

  • Defense Department
  • Navy Department

Business Impact ?

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The document outlines the Navy's plans for conducting training and testing activities, which may require businesses to comply with environmental regulations specified in NEPA. Potential negative impacts on marine resources may also influence businesses in marine industries. Required permits and consultations under the MMPA and ESA indicate a regulatory impact on businesses operating in or near affected areas.

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