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.
USGS Water-Year Summary 2024
07019300 Meramec River at Arnold, MO
LOCATION - Lat 38°27'26.7", long 90°21'37.5" referenced to North American Datum of 1983, Jefferson County, MO, Hydrologic Unit 07140102,
DRAINAGE AREA - 3,950 mi².
REVISIONS HISTORY - Revisions: Gage datum was updated to 372.95 ft NAVD88 on May 19, 2023, as determined by a GNSS Level II survey. Gage datum was previously published as 373.21 ft NGVD29 from levels (US Army Corps of Engineers).
SURFACE-WATER RECORDS
GAGE - Water-stage recorder. Gage datum is 372.95 ft above North American Vertical Datum of 1988.
