Pull current lock queue and wait-time data for a USACE-operated lock on a marina's inland waterway route from the Corps Locks LPMS Data Web Services.
domain: corpslocks.usace.army.mil · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Open the Data Web Services page at corpslocks.usace.army.mil/lpwb to review available web-service report definitions
Identify the specific lock by name/ID relevant to the marina's route
Call the corresponding web service for near-real-time vessel queue and lock-transit data (updated roughly every half hour)
Cross-check against the public Lock Queue Report UI if a web-service response is unclear
Cache results and poll on a cadence matching the system's update frequency
Known gotchas
This is a US federal government (USACE) data source that updates on a roughly half-hourly cadence only - there is no weekly FOIA snapshot layer here (that pattern belongs to a different agency's dataset, USCG PSIX), so treat this feed as near-real-time, not archival
The interface uses Oracle APEX (ords) URLs that can change - bookmark the Data Web Services page rather than hardcoding deep report links
Covers only Corps-owned/operated locks, not privately or state-operated locks on the same route
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