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Stream Stabilization I At E FormILLINOIS NRCS-Vembn3.2-moddied4,2008R.Book <br /> County Macon • T. 16N R. 3E Sec. 16NW <br /> Date 4/29/22 By Rob Meats <br /> Stream Name Undefined ADA to ditch abve.lake UTM Coord. <br /> Landowner Name WIN Good <br /> Drainage Area 1 sq.mi. ClearCells <br /> Regional Curve Predictions: <br /> r7 kfuU dimensions Width 15 ft. Cross Sectional Area 23 sq.ft. <br /> Depth 1.5 ft. <br /> Reference Stream Gage: <br /> talion No. _ Gage Q2 <br /> none <br /> Drainage Area _ <br /> a9 Regression I <br /> 0 - REFERENCE STREAM DATA ONLY <br /> USGS Flood-Peak QO#WW Predictions: <br /> Vevey Slope: 15.8 1ft..(user-entered Regression Qz 91 cis <br /> fdmi(from worksheet) Rainfall 3.20 in (2 yr,24 hr) Adjusted 02 _ <br /> 0w3 ft/ft Regional Factor 0.805 Typical Range for Ban c ul Discharge: <br /> 30 to 80 ds <br /> Local Stream Morphology: <br /> Channel Description: (c) Gear winding,some pools and shoals <br /> Mannings"n" 0.04 <br /> Stream Length 747 ff. <br /> Bask Field Data: Valley Length 00 ft. <br /> Bankfull Width 10 & Contour Interval — 10 feet <br /> Mean Bankfull Depth — 1.4—ft Estimated Sinuosity <br /> WidthlDepth Ratio --7.7x— <br /> Channel Slope. Bankfull Q from: <br /> Max.Bankfull Depth 2.1 It Surveyed: flA. Cross-Section 355 cfs <br /> Width at twice max.depth ---=ft Estimated: ftA. Basic field data--W—cis <br /> (4.2 It.) Selected Q--70--cis <br /> Entrenchment Ratio 2.20 Radius of Curvature(Re) ft. <br /> Rc/Bankfull width: 0.00 <br /> Bankfuft Velocity Check: /fvakal 11knois streams will have amme-bankfull vetoci between 3 and 5 Wsec. <br /> Bedload: so 6 W fn velocity requiredo move 9e: 5.1 fUsec. <br /> Dso in. Velocity from Cross-Section data: 7.06 1tlsec. <br /> GOAL-Develop confidence EyMaVeloc;ily from basic field data: 5�3 fUsec. <br /> vekx flies from dTfierent sources. Velocity from selected Q: 5.0 k1sec. <br /> Channel Evolution Stade tv Stream Type(Rosgen) <br /> Notes <br />