Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins
  • Notice - The USGS Water Resources Mission Area's priority is to maintain the safety and well-being of our communities, including providing critical situational awareness in times of flooding in all 50 U.S. states and additional territories. Our hydrologic monitoring stations continue to send data in near real-time to NWISWeb, and we are continuing critical water monitoring activities to protect life and property on a case-by-case basis. The health and safety of the public and our employees are our highest priorities, and we continue to follow guidance from the White House, the CDC, and state and local authorities.

  • Introducing The Next Generation of USGS Water Data for the Nation
  • Full News RSS icon

Water-Year Summary for Site 06090000

Click to hide Water-Year Summary instructions and information
  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00065 Gage height(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30

Print this page
USGS Water-Year Summary 2019
06090000 Missouri River at Great Falls MT
LOCATION - Lat 47°30'25", long 111°18'48" referenced to North American Datum of 1927, Cascade County, MT, Hydrologic Unit 10030102, in NE 1/4 NW 1/4 NE 1/4 sec.11, T.20 N., R.3 E., Cascade County, on left upstream bridge rail on the Central Avenue bridge over the Missouri River in Great Falls, 0.85 miles downstream from Sun River.
PERIOD OF RECORD - May 20, 2014 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,300.00 ft, referenced to the North American Vertical Datum of 1988.
11-16-2018 to 12-03-2019: records are good, except December 6 to March 29 are  poor
12-18-2017 to 11-15-2018: records are good, except December 22 to March 09 records are fair.
10-18-2016 to 12-17-2017: October 18 to November 11, 2016 and March 23 to November 15, 2017 records are fair; November 12, 2016 to March 22, 2017 records are poor.
10-20-2015 to 10-17-2016: records are good.
10-01-2014 to 10-19-2015: records are good. 
05-20-2014 to 09-30-2014: records are good. 

Diversions for irrigation of about 740,400 acres occur upstream from station.