2011-08-30_HYDROLOGY - M2009018

• Permit No: M2009018
• IBM Index Class Name: HYDROLOGY
• Doc Date: 8/30/2011
• Doc Name: SWSP
• From: OSE
• To: Cheryl Signs Engineering
• Permit Index Doc Type: Hydrology Report
• Email Name: MAC
• Media Type: D
• Archive: No

WDID
Source
Appropriation Date
Decreed Amount
0600532
VCI Godding Ditch Diversion from
Idaho Creek
08/10/2001
11 cfs
0600551
VCI Rural Ditch Diversion from
Boulder Creek
08/10/2001
11 cfs
0600756
VCI Rural Ditch Diversion from Idaho
Creek -
08/10/2001
11 cfs
0500642
VCI Godding Hollow Diversion
09/08/2000
11 cfs
0500589
VCI Last Chance Ditch Diversion
08/10/2001
11 cfs
0504001
112 Reservoir
08/10/2001
1,552 acre -feet
0504003
Dakolios Reservoirs
08/10/2001
1,104 acre -feet
0504002
Von Ohlen Reservoir
08/10/2001
1,300 acre -feet
0504000
Kurtz Reservoir
08/10/2001
4,000 acre -feet
Cheryl Signs, P.E.
Heintzelman Pit
Court in Case No. 2003CW306. The historical consumptive use of the four shares of the Rural Ditch
water averages 265.50 acre -feet per year with a historical return flow obligation of the four Rural Ditch
shares of 101.5 acre -feet. Excess consumptive use credits from the four shares of Rural Ditch stored
in the 112 Reservoir will also be released to replace non - irrigation season depletions for the Durham
Pit and Everist's Lohmann Pit, Rinn Valley Pit, Firestone Pit, Fort Lupton Pit and Lupton Meadows Pit.
To the extent possible, the return flow obligations will be supplied using VCI's consumptive use
credits from Hayseed Ditch. The change of use from the Hayseed Ditch water owned by VCI was
decreed in case no. 1990CW174. If Hayseed Ditch credits are not sufficient to replace the actual
obligation, releases from the lined pits or replacement using the water rights decreed in case no.
1990CW174 will be made.
The water rights decreed in case no. 2001 CW274 can be used directly or used after storage
and subsequent release from any or all of the listed reservoirs. The decreed information for these
junior water rights is shown in the following table:
Page 4
August 26, 2011
Note: Total direct diversion from all sources not to exceed 11 cfs. Storage rates are 90 cfs for Rural Ditch and
Godding Ditch, 10 cfs for Godding Hollow and 100 cfs for Last Chance Ditch.
The 112 Reservoir, Dakolios East and West Reservoirs and Von Ohlen Reservoir will be used
in this SWSP to store water available from Last Chance Ditch, Rural Ditch and Hayseed Ditch.
According to the decree in case no. 2001CW274, water stored in the reservoirs may be used for
replacement of depletions at the mining sites owned or leased by VCI. The Heintzelman Pit site has
been identified as one of the mining sites where the junior water rights decreed in case no.
2001 CW274 may be used as a source of replacement water. You have provided a Reservoir
Operations Study Tables for 2011 and 2012. The beginning storage contents were a combination of
diversions from the Rural Ditch water and junior water .diverted in priority in accordance with the decree
in case no. 2001CW274. Delivery of laugmentation water to the Saint Vrain Creek may be subject to
transit losses as determined by the water commissioner and the division engineer.
According to information provided by the applicant, these water rights appear to be sufficient to
offset the depletions and return flow obligations required by the operation of this SWSP. Full
implementation of the plan as proposed (including storage and release schedules) will need to be
finalized and approved by the local Water Commissioner.