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openapi: 3.2.0
info:
title: CWMS Data Basins Parameters API
description: The Corps Water Management System (CWMS) Data API provides a RESTful interface for accessing water management data from the U.S. Army Corps of Engineers. This includes time series data, locations, levels, ratings, forecasts, projects, turbines, gates, and water supply information for USACE-managed water resources across the United States.
version: 3.0.0
contact:
name: USACE CWMS Data API Support
url: https://github.com/USACE/cwms-data-api
license:
name: MIT
url: https://github.com/USACE/cwms-data-api/blob/develop/LICENSE.md
x-tags:
- Water Management
- Federal Government
- Hydrology
- Engineering
servers:
- url: https://cwms-data.usace.army.mil/cwms-data
description: Production CWMS Data API
- url: https://water.usace.army.mil/cwms-data
description: Water Data Platform
tags:
- name: Parameters
description: Physical parameters and units
paths:
/parameters:
get:
operationId: getParameters
summary: Get Parameters
description: Returns the list of physical parameters available in the CWMS system (e.g., Stage, Flow, Precip, Temp).
tags:
- Parameters
responses:
'200':
description: List of CWMS parameters
content:
application/json:
schema:
type: object
/units:
get:
operationId: getUnits
summary: Get Units
description: Returns the list of measurement units available in the CWMS system.
tags:
- Parameters
parameters:
- name: format
in: query
required: false
description: Response format
schema:
type: string
responses:
'200':
description: List of measurement units
content:
application/json:
schema:
type: object
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: JWT Bearer token for authenticated operations (create, update, delete). Obtain a token from the CWMS authorization endpoint.