PROJ01966 ‎(2)‎

• Contract/PO #: C153794
• Contractor Name: Colorado Water Protective and Development Association
• Contract Type: Loan
• Water District: 0
• Loan Projects - Doc Type: Feasibility Study

"

Surface Water Used (%)
50 or greater
40-49
30-39
20-29
10-19
1-9
o

FloodlFurrow
Depl('.tton (%)
30
33
36
39
42
45
50

.

b. For diversions of ground water used as a sole source of supply for
flood and furrow irrigation, the presumptive stream depletions shall be fifty percent
(50%) of the amount diverted.

c. For diversions of ground water used as a sole source of supply in
sprinkler irrigation systems, the presumptive stream depletions shall be seventy-five
percent (75%) of the amount diverted.

d. For diversions of ground water for other uses, rhe state and division
engineers shall determine stream depletions based on information submitted by the well
user and the individual facts and circumstances of each case or may establish presumptive
stream depletions for particular uses.

.

Rule 4.3. Review and Revision of Presumptive Stream Depletions. The presump-
tive stream depletions established in Rule 4.2 shall be reviewed by the state engineer
annually to determine whether rhe presumptive stream depletions are adequate to prevem
material injury to senior surface water rights in Colorado and depletions to usable
Stateline flows, and the presumptive stream depletions shall be revised as the state
engineer determines is necessary. The state engineer shall publish any revisions to the
presumptive stream depletions in the manner prescribed by statute for changes to these
Rules and regulations.

.

Rule 5. Other Diversions of Tributary Ground Water AffectinJ?: Senior Surface
Water Rights in Colorado. On or after Aprill, 1996, all diversions of tributary ground
water in the Arkansas River Basin within the scope of these Rules and not covered by
Rule 4. I shall be totally discontinued unless out-of-priority depletions to senior surface
water rights in Colorado are replaced in accordance with: (I) a decreed plan for
augmentation approved by the Water Judge in accordance with the procedures of sections
37-92-302 to 37-92-305, 15 C.R.S.; or (2) a plan approved by the state and division
engineers in accordance with these Rules; or (3) a substiwte supply plan approved by the
state engineer pursuant to section 37-80-120 which is consistent with these Rules. To
detennirie stream depletions for plans required by this Rule, the state and division
engineers shall determine such depletions based on an acceptable site--specific depletion
analysis provided by lhe well user or plan proponent or, in the absence of stIch an
analysis, shall determine stream depletions in accordance with Rule 4.2.

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