USGS Water-Year Summary for Site 06337000

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

06337000 LITTLE MISSOURI RIVER NEAR WATFORD CITY, ND

LOCATION - Lat 47°35'29.06", long 103°15'09.60" referenced to North American Datum of 1983, in sec.35, T.148 N., R.99 W., McKenzie County, ND, Hydrologic Unit 10110205, at bridge on U.S. Highway 85 bridge crossing, 17 mi upstream from Cherry Creek, and 17.5 mi south of Watford City.

DRAINAGE AREA - 8,310 mi². approximately.

REVISIONS HISTORY - WSP 926: 1935. WSP 1270: 1943.

SURFACE-WATER RECORDS

PERIOD OF RECORD - DAILY DISCHARGE--October 1934 to current year.

PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.

GAGE -

Water-stage recorder. Datum of the gage is 1922.60 feet above North American Vertical Datum 1988 and 1921.03 feet above National Geodetic Vertical Datum 1929 (NGVD29).

Previous locations and datums are as follows:

Prior to June 9th, 1939; Water-stage recorder established at bridge site located 103º15’59.36” W 47º35’53.09” N (WGS84) at a datum 8 feet higher.

June 10th, 1939, to April 15th, 1943; Water-stage recorder at site 700 feet upstream of original site location at a datum 8 feet higher.

April 16th, 1943, to October 1st, 1959; Water stage recorder at original site location at a datum 8 feet higher.

October 2nd, 1959, to June 17th, 1963; Water-stage recorder at site 4200 feet downstream of original site location (at US old HWY 85 crossing) at a datum 8 feet higher.

June 18th, 1963, to November 28th, 1964; Water-stage recorder at site 3500 feet downstream of original site location at a datum 8 feet higher.

November 29th, 1964, to September 30th, 1990; Water-stage recorder at site 4200 feet downstream of original site location (at old US HWY 85 crossing) at a datum 8 feet higher.

October 1st, 1990, to November 3rd, 2009; Water-stage recorder at site 1200 feet downstream of original site location at a datum 8 feet higher.

November 4th, 2009, to August 19th, 2021; Water-stage recorder at site 4200 downstream original site location (at old US HWY 85 crossing) at a datum 8 feet higher.

August 20th, 2021, to present; Water-stage recorder at current site (4300 feet downstream of original site location, on new US HWY 85 crossing) at current datum.

For a detailed gage datum history, please use the blue ‘questions or comments’ tab on the bottom of the site’s monitoring location page.

REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except for estimated discharges, which are poor, unless otherwise noted.

EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 110,000 ft³/s, March 25, 1947, peak stage 24.00 ft, from floodmark, site and datum then in use.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water year 1972 to 2013.

PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE--May 1947 to September 1976. Daily suspended-sediment discharge for October 1948 to September 1971 furnished by the U.S. Army Corps of Engineers.

EXTREMES FOR PERIOD OF DAILY RECORD - SUSPENDED-SEDIMENT CONCENTRATION: Maximum daily mean, 50,400 mg/L, June 22, 1947; minimum daily mean, 0.0 mg/L, January 12 to February 19, 1975. SUSPENDED-SEDIMENT DISCHARGE: Maximum daily, 1,890,000 tons/day, May 25, 1965; minimum daily, 0.0 tons/day, many days in many years.