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


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our Next Generation Station Page here.
Click to hideNews Bulletins

Water-Year Summary for Site 06418800

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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
00400 pH(Max.,Med.,Min.)  
63680 Turbidity, Form Neph(Max.,Min.,Mean)  

Water year 2024: 2024-10-01 to 2025-09-30
 
Print this page
USGS Water-Year Summary 2024
06418800 RAPID CREEK ABOVE WATER RECLAMATION FACILITY NEAR RAPID CITY, SD
LOCATION - Lat 44°01'36.5", long 103°06'04" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 SW 1/4 sec.24, T.1 N., R.8 E., Pennington County, SD, Hydrologic Unit 10120110, gage is located on the right bank 1.5 miles downstream of the bridge on Anderson Road and 1.0 miles upstream of the Rapid City Water Reclamation Facility. 
DRAINAGE AREA - 449.39 mi².
REVISIONS HISTORY - Revisions: Discharge measurement gage height for measurement number 39 on April 26, 2019 was revised on Sept. 16, 2020 due to gage datum correction.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2016 to current year.
GAGE - Water stage recorder and crest-stage gage. Datum of gage is 3,003.24 ft. above NAVD of 1988.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except for estimated discharges, which are poor, unless otherwise noted. Flow regulated by Pactola Dam 40.9 mi upstream since Aug. 22, 1956. Reservoir filled from August 1956 to June 1963. Diversions for irrigation of about 7,000 acres upstream from station. Satellite data-collection platform at station.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - Water Temperature: May to November 2019 (discontinued)
Specific Conductance: May to November 2019 (discontinued)
pH: May to November 2019 (discontinued)
Turbidity: May to November 2019 (discontinued)
Dissolved Oxygen: May to November 2019 (discontinued)
INSTRUMENTATION - Multi parameter water quality monitor.
REMARKS -

RECORD RATED - WATER TEMPERATURE:
May 16 to Nov. 22, 2019: Rated good.

RECORD RATED - SPECIFIC CONDUCTANCE:
May 16 to Nov. 22, 2019: Rated good.

RECORD RATED - pH:
May 16 to Nov. 22, 2019: Rated good.

RECORD RATED - TURBIDITY:
May 16 to Nov. 22, 2019: Rated fair.

RECORD RATED - DISSOLVED OXYGEN:
May 16 to Nov. 22, 2019: Rated fair.

EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded 21.7°C, Sept. 2, 2019; minimum recorded -0.1°C, Nov. 12, 2019 
SPECIFIC CONDUCTANCE: Maximum record 1640 microsiemens, Nov. 13, 2019; minimum record 390 microsiemens, Aug. 11, 2019
pH: Maximum recorded 8.7 units, multiple days; minimum recorded 7.7 units, Sept. 21, 2019
TURBIDITY: Maximum recorded 461 FNU, Aug. 11, 2019; minimum recorded 0.1 FNU, multiple days
DISSOLVED OXYGEN: Maximum recorded 15.7 mg/L, Nov. 11, 2019; minimum recorded 6 mg/L, Sept. 18, 2019