Releases / United States

US Army Corps of Engineers lock tonnage by commodity and direction at key Mississippi and Ohio system locks, monthly release schedule and API

USACE. Source: U.S. Army Corps of Engineers, Lock Performance Monitoring System (Navigation Data Center). Licence: public-domain.

Next releases

ReleaseUTCAgency local time
Lock tonnage11:00 local (UTC-05:00)
Lock tonnage11:00 local (UTC-05:00)
Lock tonnage11:00 local (UTC-05:00)

From the agency's own calendar, as of 2026-11-13. Reschedules and cancellations are in the API.

How fast it reaches the API

ReleaseMeasuredMedianFastestSlowestMissed
LOCKS1109.2 min109.2 min109.2 min0

Time from the agency publishing to the data being on our feed, for releases caught live in the last 30 days. Every release counts, including slow ones and misses.

Get it by API

Series ids: US.LOCK_TONS.MS_LOCK27.FOOD_FARM.DOWN.NSA.

# pip install econfeed-client
from econfeed_client import Client

ef = Client()  # ECONFEED_API_KEY from the environment
for e in ef.calendar(days=90, source="us_usace_locks"):
    print(e.scheduled_at, e.release_name, e.reference_period)

# add as_of= for what was known then
page = ef.observations("US.LOCK_TONS.MS_LOCK27.FOOD_FARM.DOWN.NSA", start="2024-01")

# pushed seconds after release
for ev in ef.stream(sources=["us_usace_locks"]):
    print(ev.type, ev.data.release_id)

REST: GET /v1/calendar?source=us_usace_locks, GET /v1/series/US.LOCK_TONS.MS_LOCK27.FOOD_FARM.DOWN.NSA/observations. Webhooks: filter on source us_usace_locks.