United States Army Corps of Engineers

aid: united-states-army-corps-of-engineers
name: United States Army Corps of Engineers
description: >-
  The U.S. Army Corps of Engineers (USACE) provides engineering and construction
  services for the nation, managing water resources, infrastructure, and
  environmental projects. USACE operates the Corps Water Management System
  (CWMS) Data API, a RESTful service for accessing real-time and historical
  water management data including time series measurements, location information,
  ratings, forecasts, and project data for USACE-managed water resources
  across the United States.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: >-
  https://raw.githubusercontent.com/api-evangelist/united-states-army-corps-of-engineers/refs/heads/main/apis.yml
type: Index
created: '2024-12-25'
modified: '2026-05-03'
specificationVersion: '0.19'
tags:
  - Engineering
  - Federal Government
  - Water Resources
  - Hydrology
  - Civil Engineering
apis:
  - aid: united-states-army-corps-of-engineers:cwms-data-api
    name: CWMS Data API
    description: >-
      The Corps Water Management System (CWMS) Data API provides a RESTful
      interface for retrieving water management data from the U.S. Army Corps
      of Engineers. Supports access to time series, locations, ratings,
      forecasts, levels, projects, basins, and parameters for USACE-managed
      water resources nationwide.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://cwms-data.usace.army.mil/cwms-data/
    baseURL: https://cwms-data.usace.army.mil/cwms-data
    tags:
      - Water Management
      - Hydrology
      - Time Series
      - REST API
    properties:
      - type: Documentation
        url: https://cwms-data.usace.army.mil/cwms-data/
      - type: OpenAPI
        url: >-
          https://raw.githubusercontent.com/api-evangelist/united-states-army-corps-of-engineers/refs/heads/main/openapi/cwms-data-api-openapi.yml
      - type: GitHubRepository
        url: https://github.com/USACE/cwms-data-api
      - type: SwaggerUI
        url: https://cwms-data.usace.army.mil/cwms-data/swagger-ui.html

common:
  - type: Website
    url: https://www.usace.army.mil/
  - type: OpenData
    url: https://www.usace.army.mil/open/
  - type: GeospatialData
    url: https://geospatial-usace.opendata.arcgis.com/
  - type: WaterData
    url: https://water.usace.army.mil/data
  - type: DigitalLibrary
    url: https://usace.contentdm.oclc.org/
  - type: GitHub
    url: https://github.com/USACE
  - type: PermitsData
    url: https://permits.ops.usace.army.mil/
maintainers:
  - FN: Kin Lane
    email: [email protected]