Station list     Available data
ROCK RIVER BASIN


05443000       ROCK RIVER ABOVE SINNISSIPPI DAM AT ROCK FALLS, IL

 

LOCATION.-- Lat 41°47'15", long 89°40'35" (NAD of 1983), in SW1/4SE1/4 sec.22, T.21 N., R.7 E., Whiteside County, Hydrologic Unit 07093005, on concrete wall at mouth of Hennepin Feeder Canal, 300 ft upstream of the Upper Rock Falls Dam, and at mile 73.6.

 

DRAINAGE AREA.-- 8,740 mi2.(revised WRD IL-75-1).

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

STAGE: October 2003 to current year.

 

GAGE.-- Water-stage recorder and phone telemeter. Datum of Gage is 630.00 ft above NGVD of 1929, based on elevation provided by Illinois Department of Natural Resources (629.80 ft NAVD 1988).

 

EXTREMES FOR PERIOD OF RECORD.--

STAGE: Maximum gage height, 6.88 ft, Dec. 22, 2003; minimum 5.45 ft, Jan. 8, 2004.

 

EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 6.77 ft, Jan. 12; minimum, 5.76 ft, June 2.


Gage height, feet, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
16.306.126.126.215.985.976.016.016.046.096.296.19
26.316.306.116.245.995.946.066.125.895.956.216.25
36.286.096.046.245.965.986.066.076.126.196.246.24
46.296.086.086.215.955.966.076.186.136.116.246.18
56.246.076.086.195.945.966.056.116.116.086.226.19
 
66.216.066.166.046.066.006.026.126.206.166.206.18
76.256.066.245.986.086.036.076.176.146.166.206.19
86.296.176.265.906.095.976.086.106.176.116.196.17
96.266.326.285.886.015.995.976.156.196.196.176.16
106.246.336.285.935.955.956.016.136.156.186.286.20
 
116.246.296.296.095.975.946.036.136.026.146.226.19
126.286.246.236.325.985.976.046.156.116.226.306.14
136.256.116.196.066.015.955.996.126.106.216.276.12
146.216.136.045.976.095.976.026.106.126.256.236.28
156.186.136.235.966.075.975.976.106.156.196.206.19
 
166.186.216.315.956.015.966.056.076.136.206.196.20
176.106.186.195.945.995.976.046.196.106.186.206.22
186.056.246.125.956.005.956.076.126.116.206.226.20
196.066.256.115.976.025.946.056.146.066.216.246.18
206.316.266.125.986.005.946.046.156.146.246.226.20
 
216.326.276.295.966.035.966.046.066.146.256.256.27
226.296.276.175.936.005.926.046.106.106.246.246.22
236.296.226.175.935.986.006.046.106.126.246.196.22
246.336.116.155.985.946.096.016.086.166.276.276.23
256.286.086.165.986.006.056.026.056.046.216.186.21
 
266.186.066.185.976.006.025.996.126.206.296.206.21
276.146.186.165.955.946.036.006.156.096.286.196.20
286.166.166.225.946.016.026.026.096.136.296.176.15
296.186.166.195.96---6.016.026.156.096.306.206.26
306.176.206.195.95---6.036.016.106.176.256.236.17
 
316.10---6.195.94---6.04---6.03---6.246.21---

MEAN6.226.186.186.026.005.986.036.116.116.206.226.20
MAX6.336.336.316.326.096.096.086.196.206.306.306.28
MIN6.056.066.045.885.945.925.976.015.895.956.176.12

CAL YR 2004MEAN 6.16MAX 6.47MIN 5.89
WTR YR 2005MEAN 6.12MAX 6.33MIN 5.88


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data