USGS Water-Year Summary 2023

07083000 HALFMOON CREEK NEAR MALTA, CO

LOCATION - Lat 39°10'20", long 106°23'19" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.13, T.10 S., R.81 W., Lake County, CO, Hydrologic Unit 11020001, on San Isabel National Forest, on right bank 1.4 mi upstream from culvert on Halfmoon Campground road, 3.3 mi upstream from mouth, and 4.3 mi southwest of Malta.

DRAINAGE AREA - 23.5 mi².

REVISIONS HISTORY - WRD Colo. 1968: 1967 (M). WDR CO-79-1: 1976 (M). WDR CO-80-1: 1954 (M). WDR-US-2011: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - August 1946 to current year.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Concrete control since 1966. Elevation of gage is 9,830 ft above NGVD of 1929, from topographic map. Prior to Oct. 19, 1966, at sites 1.4 mi downstream at different datums.

REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; records fair except for flows above 211 ft³/s, and estimated daily discharges, which are poor. Water year 2020; records poor. Water year 2021; records poor. Water year 2022; records good except for flows above 179 ft³/s, and estimated daily discharges, which are poor.  Water year 2023; records poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 615 ft³/s, June 30, 1984, from rating curve extended above 254 ft³/s, gage height, 3.77 ft.