USGS WaterAlert

[ version 1.21 ] 


WATER DATA FOR THE NATION

National Water Information System (NWIS)

View current and historical streamflow, groundwater level, and water-quality data

Data Discovery

For more data options, explore our data discovery tools.

Today's Water Conditions

View maps of current and historical conditions

Click map to go to current water resources conditions in the U.S.

Subscribe to hydrologic alerts:

WATER SCIENCE SPECIALTIES

WATER SCIENCE BY STATE

USGS Water Science Centers are located in each state

USGS WaterAlert

Real-time data parameters available for subscription
The basic real-time parameters supported by WaterAlert are the following:

Surface Water:

Groundwater:

Water Quality:

Precipitation:

Streamflow
Gage height (stage)
Lake/reservoir level
Stream level
Stream velocity		 Water level (depth)
Water Level (elevation)		 Water temperature
Specific conductance
pH
Dissolved oxygen
Salinity
Turbidity
 Total precipitation
Additional parameters are available at some sites, such as tide elevation, nitrate plus nitrite, or sensor depth. All parameters are not necessarily available at each site.

Related Services

USGS StreaMail
The USGS StreaMail system provides a method for you to query a USGS gaging site via email, cell phone text message, or handheld device for gage height and streamflow. Send your request to StreaMail and in a few minutes you will get a reply showing the latest river stage and streamflow.