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
05481950 Beaver Creek near Grimes, IA
LOCATION - Lat 41°41'18", long 93°44'05" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SW 1/4 sec.35, T.80 N., R.25 W., Polk County, IA, Hydrologic Unit 07100004, on left bank 10 ft upstream from bridge on Northwest 70th Avenue in Johnston, 2.5 mi east of Grimes, 0.5 mi downstream from Little Beaver Creek, and 6.3 mi upstream from mouth.
DRAINAGE AREA - 358 mi².
REVISIONS HISTORY - WDR IA-77-1: 1974(P). WDR IA-95-1: Location.
Revisions: Gage datum was updated to 806.55 ft NAVD88 on July 12, 2022, as determined by a GNSS Level II survey. Gage datum was previously published as 806.98 ft NGVD29 from levels.
Revisions: Gage datum was updated to 806.55 ft NAVD88 on July 12, 2022, as determined by a GNSS Level II survey. Gage datum was previously published as 806.98 ft NGVD29 from levels.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from April 1960 to current year.
GAGE -
Water-stage recorder. Datum of gage is 806.55 ft above North American Vertical Datum of 1988. Prior to August 31, 1966, non-recording gage at same site and datum.
Water-stage recorder. Datum of gage is 806.55 ft above North American Vertical Datum of 1988. Prior to August 31, 1966, non-recording gage at same site and datum.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2008, 2012.
