Monitor Potomac River streamflow in real time (USGS)

Stream live discharge readings for the Potomac at Little Falls gauge from USGS NWIS — timestamps, values and threshold alert flags.

Try for free
USGS NWIS Streamflow & Gage Height Monitor API by Site/State
USGS NWIS Streamflow & Gage Height Monitor API by Site/Statemalonestar/usgs-nwis-streamflow-monitor
Site number
Site name
State
Parameter code
+7 fields
Text
Number
Boolean
List
Object

Input

USGS site numbers:01646500
Parameter code:00060
Service (instantaneous or daily):iv

Output fields

Site number
Site name
State
Parameter code
Value
Unit
Datetime
Change
Change direction
Above threshold
Provisional

How it works

Sign up on Apify01

Create your Apify account to access the USGS NWIS Streamflow & Gage Height Monitor API by Site/State.

Start the run02

The Actor will start running based on the input automatically.

Receive the output03

Monitor the progress in real-time. You will be notified as soon as your dataset is complete and ready for review.

Integrate into your workflow04

The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow.

Image

Integrate Actor directly into your workflow

Choose from one of 100+ integration options we provide or integrate via API

Webhook

Webhook

n8n

n8n

Make

Make

Zapier

Zapier

Airbyte

Airbyte

Keboola

Keboola

IFTTT

IFTTT

Hubspot

Hubspot

GDrive

GDrive

Gmail

Gmail

Apify MCP

Apify MCP

GitHub

GitHub

Slack

Slack

LangChain

LangChain

LlamaIndex

LlamaIndex

Flowise

Flowise

Pinecone

Pinecone

OpenAI

OpenAI

Mastra

Mastra

Clay

Clay