WSP06233

• File Number: 8143.800
• Description: John Martin Reservoir - Water and Contracts
• State: CO
• Basin: Arkansas
• Water Division: 2
• Date: 12/1/1999
• Title: Report of the Colorado State Engineer - Concerning Accounting of the Operations of an Offset Account in John Martin Reservoir for Colorado Pumping - 1998 -- Part 2 of 2
• Water Supply Pro - Doc Type: Report/Study

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TABLEe
DERIVATION OF STREAM CREllIT FACTORS FOR USE IN 1998
WATER BUDGET SUMMARY FOR 3,119 SHARES - HIGHLAND IRRIGATION COMPANY
USING KANSAS H~ MODEL PARAMETERS
AVERAGE FOR 1950-1993
(values In acre-feet)

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(/) Row I Component I Nov I Dee: I Jan I feb I Mar I Aor I Mav I Jun I Jul I Aug T Sep I Oct I Total
f DItch OperaUon
1 I'rorala D~ 316 122 52 214 403 646 782 1,081 1,353 1.562 812 368 7,711
Canal Loss 32 12 5 21 40 65 78 108 135 156 81 'ir7 770
.::t SecondarY e...coralion 3 1 0 3 9 19 V 45 61 60 24 7 259
38) canal DeU-V 2B4 110 47 193 363 581 704 973 1,218 1.408 731 331 6,941
On-Farm OperaUon
4 QfI-fann Lateral Loss 11 4 2 7 14 23 V 3B 47 55 2B 13 2S9
Farm De/'JVOl'Y 273 106 45 186 349 558 ()T1 935 1.171 1.351 703 318 6,512
Farm i..alIlr:Il Loss 10 4 2 7 12 20 24 33 41 47 25 11 236
DeeP Percolation 1ST 25 10 40 76 122 152 211 267 '2E7 153 69 1.489
8 Tailwaler 2B 10 4 18 34 54 65 90 113 130 68 31 643
9 ~use 4 0 0 0 516 235 440 738 B96 87B 441 92 4,300
1 eOM 39B 465 494 615 266 393 3B9 252 106 105 121 236
11 Soil Change 166 f5T 29 121 -349 lV -4 -137 -146 -1 16 115 4
1. 5 1 1 4 13 2B 40 68 91 90 3B 11 3S8
13 ITolal Use 9 1 1 4 5B9 263 4BO 806 987 968 477 103 4,eae
Return Flow
14 Surface WatBr 23 9 4 16 V 3B 42 52 62 80 48 25 426
1~ Grt>und Wal8r 154 155 155 153 150 147 145 144 143 145 148 152 1,791
11e Tolal 177 164 159 169 177 185 187 196 205 225 196 177 2,217
siream DepleUon with respect to Canal Deliveries ml
17) Slreem Oepfetion 107 -54 -112 24 186 396 517 1,013 1,181 535 154 4,724
Slreem Depletion as % 79,9%1
18) of canal Derrwry 37.7% - - 12.4% 51.2% 68.2% 73.4% 83.2% 84.0% 73,2% 46.5% 68.1%

Row Descrlotlon:
1) ProrabI shore (3589J3800) of the average monthly diversion.
2) Row 1 x 10 percent
3) Row 2 x Secondary trvaporalion rates
38) Row l-Row2
4) Row 1x 3.5 percent
5) Row1-Row2-Row3,
8) 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 Slaney-Criddle and watar budget procedure.
10) Previous month's storage + Row 5 - the sum of Rows 6. 7. 8 & 9,
11) Previous month storage - present month storage,
12) Sum of Rows 4, 6 & 6 x Secondary evaporation rates,
13) Row 9 + Row 12
14) Row8x (1 - Secondary evaporation rate)
15) Delayed return flow from lateral seepage and deep percolation.
16) Row 14 + Row 15.
17) Row 3a - Row 16,
18) Row 17 I Row 3a x 100 percent

Note: In 1998 LAWMA's water will be delivered through WaslBway No.3 to the Purgatoire River. Additionally water will be deITvered down ditch for two shareholders.
LAWMA will not claim credit for secondary evaporation from canal/asses and will not make up return f10"/1S derived from canal losses in 1998.
The maximum farm efficiency is 65 percent.