2019-11-14_PERMIT FILE - M2019025 ‎(20)‎

• Permit No: M2019025
• IBM Index Class Name: Permit File
• Doc Date: 11/14/2019
• Doc Name: Adequacy Review Response
• From: Weiland, Inc.
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

APPENDIX 6.4.7 -Al
HEC-SSP REPORT page 3 of 3
112 Sep 2013 19,000.0 I 35 2007 284.0 87.50 I
131 May 2014 1,500.0 1 36 1992 274.0 90.00
119 May 2015 2,240.0 1 37 1979 248.0 92.50 I
112 Jun 2016 881.0 I 38 2008 240.0 95.00 I
101 Jan 2017 628.0 I 39 2002 238.0 97.50 I
- ---- - - ----------
Low outlier plotting positions are computed using Median parameters.
<< Frequency Curve>>
BT-1-LOVELAND, CO.-FLOW-ANNUAL PEAK
Computed Variance I Percent I Confidence Limits I
Curve Log(EMA) I Chance 1 0.05 0.951
1 FLOW, CFS 1 Exceedance I FLOW, CFS I
1-----------------I-------1-------------------------I
1 58,919.2 0.24356 ( 0.200 1 2,628,301.6 16,628.31
1 31,402.8 0.15762 ( 0.500 1 564,527.0 11,073.01
1 19,261.2 0.10723 I 1.000 1 184,004.6 7,979.61
1 11,646.7 0.06867 I 2.000 1 63,123.3 5,622.1 I
1 5,812.9 0.03430 I 5.000 1 17,019.2 3,365.11
I 3,324.4 0.01923 1 10.000 1 6,933.2 2,144.01
I 1,815.3 0.01149 1 20.000 1 3,010.3 1,240.11
1 702.0 0.00684 1 50.000 1 978.9 509.01
1 348.5 0.00339 1 80.000 1 446.9 277.61
1 264.1 0.00379 1 90.000 1 330.9 201.31
I 218.8 0.00679 i 95.000 1 296.8 155.21
1 167.7 0.02114 1 99.000 1 285.9 91.91
<< Multiple Grubbs-Beck Test P-Values>>
BT-1-LOVELAND, CO.-FLOW-ANNUAL PEAK
----------------------------
Number Of I P-Values 1
1 Low Outliers I I
1-----------1----------1
I 1 1 9.998E-1 I
1 21 9.983E-1 I
1 31 9.935E-1 I
1 41 9.937E-1 I
1 51 9.855E-1 I
1 61 9.676E-1 I
1 71 9.892E-1 I
1 81 9.791 E-1 I
1 91 9.434E-1 I
1 101 8.974E-1 I
1 111 8.386E-1 I
1 121 8.503E-1 I
1 131 8.194E-1 I
1 141 7.876E-1 I
1 151 7.368E-1 I
1 161 8.647E-1 I
1 171 8.583E-1 I
1 181 8.815E-1 I
1 191 7.748E-1 I
----------I-----------I
" = p-value corresponds to a zero flow value.
<< Systematic Statistics>>
BT-1-LOVELAND, CO.-FLOW-ANNUAL PEAK
Log Transform: I I
1 FLOW, CFS I Number of Events 1
-----------------------1-----------------------I
Mean 2.922 1 Historic Events 0 1