SC State Ports Authority Port Royal Harbour, Port Royal, South Carolina

SC State Ports Authority Port Royal is a harbour facility located at 601 Parris Avenue in Port Royal, Beaufort County, South Carolina, United States. It operates as a key marine terminal in the region, supporting cargo handling and vessel traffic along the Atlantic coast. The facility operates under the regulatory frameworks of the IMO MARPOL Convention and the US EPA Vessel General Permit (VGP), which govern discharges and waste management from vessels. As a harbour, it manages stormwater and oil-water separation to minimize environmental impact, typical of ports in the United States. The Port Royal harbour plays a significant role in the local economy by facilitating maritime trade and supporting the regional industrial mix. Its proximity to coastal habitats necessitates careful environmental management to protect sensitive ecosystems.

The harbour is situated near sensitive coastal habitats in South Carolina, including estuaries and marshlands. Cargo handling and vessel operations require robust stormwater management and oil-water separation to prevent pollution. The facility must comply with US EPA NPDES permits for shoreside discharges and MARPOL Annex I regulations for oily water.