2016-02-03_HYDROLOGY - M1985112

• Permit No: M1985112
• IBM Index Class Name: Hydrology
• Doc Date: 2/3/2016
• Doc Name: Substitute Water Supply Plan
• From: DNR Water Resources
• To: DRMS
• Email Name: PSH
• Media Type: D
• Archive: No

loloff Pit
GIC Yields and Return Flow Obligations V%gams anti%%es&Consukigg,JLC
Table 3
Submitted by:
Pau I Weiss,P.E.
5255 Ronald Reagan Boulevard,Suite 220
Johnstown,CO 80534
Direct Flow portion return flows Fossil Creek portion return flows Net
diversion c.u. surf sub balance diversion c.u. surf sub balance Balance
JAN 0.00 0.00 0.00 0.31 -0.31 0.00 0.00 0.00 0.01 -0.01 -0.31
FEB 0.00 0.00 0.00 0.29 -0.29 0.00 0.00 0.00 0.01 -0.01 -0.30
MAR 0.00 0.00 0.00 0.27 -0.27 0.00 0.00 0.00 0.01 -0.01 -0.28
APR 1.12 0.58 0.26 0.26 0.59 0.06 0.04 0.01 0.00 0.04 , 0.64
MAY 2.98 1.55 0.71 0.31 1.96 0.16 0.09 0.03 0.00 0.12 2.09
JUN 3.16 1.65 0.75 0.36 2.05 0.17 0.10 0.03 0.00 0.13 2.18
JUL 4.09 2.14 0.97 0.39 2.73 0.22 0.13 0.04 0.01 0.17 2.90
AUG 3.53 1.84 0.84 0.41 2.28 0.19 0.11 0.04 0.01 0.14 2.43
SEP 2.23 1.17 0.53 0.41 1.29 0.12 0.07 0.02 0.01 0.09 1.38
OCT 1.49 0.78 0.35 0.39 0.74 0.08 0.05 0.02 0.01 0.06 0.80
NOV 0.00 0.00 0.00 0.36 -0.36 0.00 0.00 0.00 0.01 -0.01 -0.37
DEC 0.00 0.00 0.00 0.34 -0.34 0.00 0.00 0.00 0.01 -0.01 -0.35
TOTAL 18.60 9.71 4.41 4.12 10.07 1.00 0.59 0.20 0.07 0.73 10.80
1)historical consumptive use on direct flow component of GIC share is 52.2%
2)historical consumptive use on Fossil Creek component of GIC share is 59.0%
3)monthly GIC return flows calculated using Appendix A-2 of 96-CW-658
4)subsurface return flows based upon 5-year average delivery(2011-2015) IGIC direct 17.17IFossil Crk 0.341
from Appendix A-2 of Poudre Prairie Decree PerShare Delivery
RETURN FLOW OBLIGATION Factors GIC direct Fossil Crk
DIRECT FLOW WATER FOSSIL CREEK WATER 2011 18.58 0.00
surface sub surface sub 2012 19.50 1.63
JAN 0.237 0.018 0.201 0.017 2013 15.76 0.05
FEB 0.237 0.017 0.201 0.016 2014 14.92 0.00
MAR 0.237 0.016 0.201 0.015 2015 17.10 0.00
APR 0.237 0.015 0.201 0.014 5-yr Avg 17.17 0.34
MAY 0.237 0.018 0.201 0.013
JUN 0.237 0.021 0.201 0.012
JUL 0.237 0.023 0.201 0.015
AUG 0.237 0.024 0.201 0.024
SEP 0.237 0.024 0.201 0.025
OCT 0.237 0.023 0.201 0.021
NOV 0.237 0.021 0.201 0.02
DEC 0.237 0.02 0.201 0.018
WWC Water Resource Engineering