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Water-Year Summary for Site 01582000

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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
01582000 LITTLE FALLS AT BLUE MOUNT, MD
LOCATION - Lat 39°36'14.7", long 76°37'13.7" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, on left bank at downstream side of Pennsylvania Railroad bridge (converted to the North Central-Gunpowder Falls State Park Trail), 0.2 mi north of Blue Mount, 0.6 mi upstream from mouth, 0.9 mi downstream from First Mine Branch, and 1.2 mi south of White Hall.
DRAINAGE AREA - 52.9 mi².
REVISIONS HISTORY - WSP 111: 1944(M), 1945-47(P). WDR MD-DE-85-1: 1984(P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1944 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 302.40 ft above North American Vertical Datum of 1988.
REMARKS -
  • Water Years 2022-2023: Records good, except those for estimated discharges, which are poor.
  • Water Year 2021: Records fair.  No estimated discharges.
  • Water Years 2018-2020: Records fair, except those for estimated discharges, which are poor.
  • Water Year 2017: Records good, except those above 1,500 ft³/s, which are fair, and those for estimated discharges, which are poor.
  • Water Years 2014-2016: Records good, except those above 1,500 ft³/s, which are fair, and those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years’ accuracy statements can be found in Annual Water Data Reports.

    • Slight diurnal fluctuation at low flow caused by mill upstream from station. U.S. Geological Survey satellite data-collection platform at station.