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.
USGS Water-Year Summary 2024
05018500 ST. MARY CANAL AT ST. MARY CROSSING, NEAR BABB, MT
LOCATION - Lat 48°56'49.08", long 113°22'31.19" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 SW 1/4 sec.19, T.37 N., R.13 W., Glacier County, MT, Hydrologic Unit 10010002, Blackfeet Indian Reservation, on left bank 50 ft upstream from inlet of St. Mary siphon, 6.6 mi northeast of Babb, and 9 mi downstream from intake.
DRAINAGE AREA - Not determined.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1918 to current season (seasonal records only). Monthly discharge only for some periods, published in WSP 1308, 1728.
GAGE - Water-stage recorder and concrete control. Elevation of gage is 4,450 ft, referenced to the North American Vertical Datum of 1988. Prior to June 14, 1951, water-stage recorder at several sites 0.8 mi downstream at different elevations.
COOPERATION - This is one of a number of stations which are maintained jointly by the United States and Canada.
REMARKS - Canal diverts water from left bank of St. Mary River near Babb and discharges into North Fork Milk
River. This water flows in the natural channel of Milk River through Canada and then back into Montana
where it is used for irrigation in Milk River Valley downstream from Havre, MT.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 767 ft³/s, June 19, 28, 1936; no flow at times each season.
