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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.

UPDATED October 1, 2020: USGS current stream monitoring information will continue at the following sites with funding from partner agencies and USGS Cooperative Matching Funds: USGS monitoring activities at these sites had been supported through June 30, 2020 with funding from our partner agency and USGS cooperative matching funds. Without funding from another partner, current water-resources information from these sites will no longer be available from the USGS. Historical data will continue to be available from USGS.
The program name that you tried to access is not recognized.
The valid program names available in the NwisWeb system include:
Program Name Description
annual Water Year Statistics
calendar Calendar Year Statistics
current Real-Time Data
doc Water Data for the Nation HelpSystem
docs Water Data for the Nation HelpSystem
dv Daily Data
dvstat Water Year Statistics
gw Water Data for the Nation
gwlevel Groundwater levels
gwlevels Groundwater levels
inventory Site Inventory
man Station Home Page
map Site Map
measurement Streamflow Measurements
measurements Streamflow Measurements
monthly Water Year Statistics
notes Revision Notes
nwis Water Data for the Nation
nwisman Station Home Page
nwismap Site Map
peak Peak Streamflow
peaks Peak Streamflow
pmcode Parameter Code Definition
pmcodes Parameter Code Definition
qw Water Data for the Nation
qwdata Water Quality Samples
realtime Real-Time Data
review Site Inventory
revision Revision Notes
revisions Revision Notes
rt Water Data for the Nation
si Water Data for the Nation
site Site Inventory
stat Water Year Statistics
stats Water Year Statistics
subscribe Subscribe
sw Water Data for the Nation
uv Daily Data
water Water Year Statistics
water_use Water Use for the Nation
wu Water Use for the Nation
wys USGS Water-Year Summary
wys_rpt USGS Water-Year Summary