US Department of Defense

USACE Lock Performance Monitoring System API

The USACE Lock Performance Monitoring System (LPMS) API provides data on inland waterway lock operations across the US Army Corps of Engineers lock system. Endpoints return XML data for lock queue reports (past 24 hours), tonnage reports, and traffic reports (past 30 days). Tracks vessel traffic through 192 commercially active locks on US inland waterways.

GitHub

Documentation

📖
Documentation
https://corpslocks.usace.army.mil/lpwb/f

Other Resources

🔗
DataCatalog
https://catalog.data.gov/dataset/corps-locks
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/us-department-of-defense/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: us-department-of-defense:lpms-api
name: USACE Lock Performance Monitoring System API
tags:
- Waterways
- Navigation
- Locks
- Federal-Government
tags_raw:
- Waterways
- Navigation
- Locks
- Federal Government
humanURL: https://corpslocks.usace.army.mil/lpwb/f
properties:
- url: https://corpslocks.usace.army.mil/lpwb/f
  type: Documentation
- url: https://catalog.data.gov/dataset/corps-locks
  type: DataCatalog
description: The USACE Lock Performance Monitoring System (LPMS) API provides data on inland waterway
  lock operations across the US Army Corps of Engineers lock system. Endpoints return XML data for lock
  queue reports (past 24 hours), tonnage reports, and traffic reports (past 30 days). Tracks vessel traffic
  through 192 commercially active locks on US inland waterways.