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Water-Year Summary for Site 06730525

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  • 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
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06730525 ST VRAIN CR BLW BOULDER CR AT HWY 119 NR LONGMONT
LOCATION - Lat 40°09'37.68", long 105°00'28.57" referenced to North American Datum of 1983, Weld County, CO, Hydrologic Unit 10190005, on upstream face of east bound HWY 119 bridge over St. Vrain River at Longmont, CO.
DRAINAGE AREA - 872 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2013 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,850 ft above NAVD of 1988, from topographic map.
REMARKS - Water year 2014; records fair except for estimated daily discharges, which are poor. Water year 2015; records fair except for estimated daily discharges, which are poor. Water year 2016; records fair except for estimated daily discharges, which are poor. Water year 2017; records fair except for estimated daily discharges, which are poor. Water year 2018; records fair except for estimated daily discharges, which are poor. Water year 2019; records fair except for estimated daily discharges, which are poor. Water year 2020; records fair except for estimated daily discharges, which are poor. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Natural flow of stream affected by transmountain, transbasin, and storage diversions, diversions for irrigation, water-treatment plants, and return flows from irrigated areas.