WSP11249

• File Number: 8143.800
• Description: John Martin Reservoir - Water Sales and Contracts
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 12/1/1997
• Title: Report of the Colorado State Engineer - Concerning Accounting of the Operations of an Offset Account in John Martin Reservoir for Colorado Pumping - 1997 -- Part 2 of 2
• Water Supply Pro - Doc Type: Report/Study

__T_1__
HIGHLAND CANAL
WATER BUDGET SUMMARY FOR 3,569 SHARES
USING KANSAS H~ MODEL PARAMETERS
AVERAGE FOR 1950-1993
(values In acre-feet)

-

-

-

-

-

-

-

-

-

-

-

- -

-

'89tZ'::e

Row I Component I Nay I Dec I Jan I Feb I Mar I ADr I May I Jun I Jul I Aug I SeD I oct I Total
Ditch ODeratlon
1 Prorata Diversion 316 122 52 214 403 646 782 1,081 1,353 1,562 812 368 7,711
2 Canal Loss 32 12 5 21 40 65 78 108 135 156 81 37 no
3 Lateral Loss 11 4 2 7 14 23 27 38 47 55 28 13 269
4 Secondary Evaporation 4 1 1 4 12 26 37 61 82 82 32 10 352
On-farm Operation
5 Farm Deliverv 273 108 45 186 349 558 677 935 1,171 1,351 703 318 6,672
6 Farm Lateral Loss 10 4 2 7 12 20 24 33 41 47 25 11 236
DeeD Percolation 67 25 10 40 76 122 152 211 267 297 153 69 1,489
8 Taflwater 26 10 4 18 34 54 65 90 113 130 68 31 643
9 CrDD ConsumDtfve Use 4 0 0 0 576 235 440 738 896 878 441 92 4,300
10 EOM Storage 398 465 494 615 266 393 389 252 106 105 121 236
11 SoU storage Change 166 67 29 121 -349 127 -4 -137 -146 -1 16 115 4
12 Secondary EvaporatfDn 4 1 1 3 10 22 31 52 70 68 27 8 297
13 Toml Consumptive Use 12 2 2 7 598 283 508 651 1,048 1,028 500 110 4,949
Consumptive Use and
14) SoU StDrage Change as
% of Diversion 56.3% 56.6% 59.6% 59.8% 61.8% 63,5% 64.5% 66.0% 66.7% 65.7% 63.5% 61.1 % 64.2%
Consumptive Use and
15) SoU Storage Change as
% 01 Farm Delivery 63.7% 64.2% 66.7% 66.7% 67.9% 68.8% 69.0% 69.8% 70.0% 69.9% 68.8% 67.6% 69.0%
Return Flow
16\ Surface Water 23 9 4 16 27 38 42 52 62 80 48 25 426
171 Ground Water 197 198 198 196 193 190 188 187 186 188 191 196 2,307
18) Toml 220 207 202 212 220 228 230 239 248 268 239 220 2,733
19) Stream Depletion with respect to the RIver Headgate DIversions
Stream DeDletlon 96 ~ -150 2 183 418 552 642 1105 1,294 573 148 4978
Stream Depletion as %
20) 01 Diversion 30.4% - - 0.9% 45.4% 64.7% 70.6% n.9% 81.7% 82.8% 70.6% 40.2% 64.6%

Row Descrfotion:
1) Prorala share (3569/3800) 01 the average monthly diversion.
2) Row 1 x 10 percent.
3) Row 1 x 3.5 percent.
4) Sum 01 Rows 2 & 3 x Secondary evaporation rates
5) Rowl-Row2-Row3.
6) Row 5 x 3.5 percent.
7) (Row 5 - Row 6) x 22.6 percent plus excess field deliveries.
8) (Row 5 - Row 6) x 10 percent.
9) Crop consumptive use using modified Blaney-Criddle and water budget procedure.
10) PrevtDus month's storage + Row 5 -the sum 01 Rows 6, 7, 8 & 9.

Note: The maximum farm efficiency Is 65 percent. This value relates to farm lateral
losses, talfwater and deep percolation.

11) Prevtous month slorags - present month storage.
12) Sum DI Rows 6 & 8 x Secondary evaporation rates,
13) Row4+ Row9+ Row 12 0
14) SumDIRowsl1.&,13/Rowl x 100 percent. Q + 11+ 1 :5
15) Sum 0IRows9~2/Row5x 100 percent. I
16) Row 8 x (1 - Sec6ndary evaporation rate)
17) Delayed return Oow Irom canal and lateral seepage and deep percolatlDn.
18) Row 16 + Row 17.
19) Rowl-Row18.
20) Row 19/ Row 1 X 100 percent.

August 8, 1997 Watbud Helton & Wlnlamsen, P.C.