Questions that are most often asked that do not fall in any specific service topic.
Instantaneous Values
This service lets you acquire near real-time water data from thousands of sites managed or monitored by the USGS across the country. Readings are usually made every 15 minutes and transmitted hourly.
Intantaneous Values Frequently Asked Questions
Instantaneous Values Service Details
You can use this service to retrieve recent and historical values for streamflow as well as data for other regular time-series parameters served by the USGS.