DWR_3573416

• Document Date: 1/4/2011
• Document Type - Division Filing: Correspondence
• Division: 2
• Subject: Requirements for 2011 Compact Rules Governing Improvements to Surface Irrigation in the Arkansas River Basin in Colorado
• DWR Send/Recipient: Steve Witte, Division Engineer, Division of Water Resources
• Outside Send/Recipient: Irrigation Improvement Rules Applicant

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maybe a formal approval,denial,or approval with terms and conditions. It may also be a request
for more information
i) If more information is requested from the applicant,the applicant has 90 days to provide it to
the Division Engineer
ii) The Division Engineer shall then render a decision within 90 days of receipt of said information
O Once an approval has been granted for a Rule 8 application,no further application is required
unless the applicant wishes tomodify or replace the improvement or alter the terms and
conditions nf the approval.
o) The Division Engineer may adjust terms and conditions of a Rule 8 approval within three years
after approval. After the three year period,adjustments may only be made to comply with a final
court order pursuant Rule 9.C.
4) Rmlm10 Compact Compliance Plan submittals:
al Applications under Rule 10 Compact Compliance Plans (Plans) may include water other than the
subject water right as defined in Rule 5 of the Irrigation Improvement Rules for use in maintaining
historic seepage and return flows. The Applicant may propose terms and conditions toprevent
violation nf Article IV-Dof the Compact.
bl Rule 10 Plan applications submitted tnthe Division Engineer must contain:
D Name and contact information of the owner/user
iD Detailed description of the subject iznprnverucnt(s)
iiil Detailed description of the lands irrigated by the proposed improvement to include location,
size and current ooetbod(n) of irrigation used ou this acreage
iv) Detailed description of all subject water rights to include water right name for direct flow
rights and water right name and storage location for stored subject water rights
vl Detailed description of all proposed imported/fully consumable waters including place of
storage,pniut(o) nf delivery and terms ofuse
vD ISAM Model run data representing both pre and post improvement conditions for each
improvement
viil Model run data for lagged impacts from the Ground Water Accounting Model,Analytical
Stream Depletion Factor (Clover) Model n,IDS AWASModel
viiD Signature of irrigation system owner nr their designated agent
cl The Division Engineer shall provide notice of all Rule 10 Plan applications and exhibits to the
Notification List
dl Within 90 days of receipt of application,the Division Engineer vviUrenderadccisino. This decision
maybe a formal approval,denial,or approval with terms and conditions. lt may also bearequest
for more information
D If more information is requested from the applicant,the applicant has 90 days to provide itto
the Division Engineer
iD The Division Engineer shall then render a decision within 90 days of receipt of said information
el Rule 10 Compact Compliance Plans require annual review and approval unless the Division
Engineer determines that u longer approval period isappropriate
D An annual accounting of estimated operations of the Plan considering the lagged impacts of any
prior plan years shall be submitted to the Division Engineer
(1) The accounting report shall include:
(u) The change in historical seepage losses and return flows by month from each
improvement under the Plan at the structure level (farm, ditch or lateral) as well as the
lagged impact of the seepage losses and return flows due to the improvements in
aggregate by month and stream reach.
(b) The amount,time and location of all water projected to be provided under the Plan to
maintain historical seepage losses and return flows
[c) The projected monthly operations under the Plan for the application year incorporating