Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Water-Year Summary for Site 07010075

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

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

Print this page
USGS Water-Year Summary 2023
LOCATION - Lat 38°36'58.45", long 90°21'50.89" referenced to North American Datum of 1983, in T.45 N., R.6 E., St. Louis County, MO, Hydrologic Unit 07140101, on left upstream bank at bridge to Rock Hill Quarry, on McCarthy Construction Company complex, 5 mi east of I-270, 0.93 mi south of Highway 64/40, 0.17 mi west of McKnight.
DRAINAGE AREA - 21.4 mi².
REVISIONS HISTORY - WDR MO-03-1: 2001(M). WDR MO-05-1:2002(M).
Revisions: Gage datum was updated to 448.16 ft NAVD88 on January 3, 2023, as determined by a GNSS Level II survey. Gage datum was previously published in the Annual Water Year Summary (Manuscript) June 2016, to January 3, 2023, as 447.94 ft NAVD88 from GNSS Level IV survey. Gage datum was previously published in error in GWSI prior to January 3, 2023, as 454.76 ft NAVD88.
PERIOD OF RECORD - May 31, 2001 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 448.16 ft above North American Vertical Datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS MO Water Science Center.