Coastal water

{
  "id": "MLC-T-ENV-005440",
  "term": "Coastal water",
  "field": "Environment",
  "definitions": [
    "Marine systems that lie between the mean highwater mark of the coastal baseline and the shelf break, or approximately 20 nautical miles offshore when the continental shelf is extensive.",
    "1. Includes the area from a line approximating the mean high water along the mainland or island as far out as 100 nautical miles including the bays, harbors and sounds.\n\n2. For the purposes of classifying the size of discharges, means the waters of the coastal zone except for the Great Lakes and specified ports and harbors on inland rivers.\n\n3. Waters at the interface between terrestrial environments and the open ocean. Many unique habitats exist in coastal waters - for example, estuaries, coastal wetlands, seagrass meadows, coral reefs, mangrove and kelp forests, and upwelling areas.\n\n4. Marine systems that lie between the mean highwater mark of the coastal baseline and the shelf break, or approximately 20 nautical miles offshore when the continental shelf is extensive."
  ],
  "subject": [
    "Ecosystems",
    "Natural environments"
  ],
  "references": [
    "N-STEPS Online Glossary of Terms",
    "NOAA National Weather Service Glossary",
    "40 CFR Appendix E to Part 300; 40 CFR 300.5",
    "Report on the Environment (ROE) Glossary",
    "NSTEPS Online Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/coastal-water/"
}