Lake Ontario 2023 ESI: Navigational and Marine Infrastructure Points

Vector points representing navigational and marine human-use resources for the United States portion of Lake Ontario. The data characterize environments by sensitivity to spilled oil and include access locations, anchorages, boat ramps, lock and dam systems, and marinas. It was created by the National Oceanic and Atmospheric Administration and last updated in March 2026.

Use Cases

• Mapping coastal infrastructure for emergency response planning based on marina and boat ramp locations.
• Analyzing human-use resource distribution for environmental sensitivity assessments based on the ESI framework.
• Integrating navigational data with biological and shoreline layers for holistic coastal management.
• Identifying access points and anchorages for recreational or commercial marine traffic planning.

Strengths

• Data is part of a structured Environmental Sensitivity Index (ESI) framework for oil spill sensitivity.
• Covers specific islands and major bays within the U.S. portion of Lake Ontario, as listed in the description.
• Includes related stand-alone data tables (SOC_DAT, SOURCES) for object type and source information.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Likely collected and compiled as part of the Environmental Sensitivity Index (ESI) mapping program.

Time Range

Data is associated with the 2023 ESI for Lake Ontario.

Freshness

Last updated 2026-03-13 22:22:46.406917; freshness should be verified.

Geography

United States portion of Lake Ontario, including specified islands and bays in New York.