WSP00392

• File Number: 8276.150
• Description: Grand Valley Unit-Colorado River Basin Salinity Control Project
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 4/1/1992
• Title: 1991 Annual Report: Grand Valley Salinity Control Project Monitoring and Evaluation Program
• Water Supply Pro - Doc Type: Annual Report

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M TABLE 3
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:;) GRANO VALLEY SALINITY CONTROL PROJECT
'-1 1991 DEEP PERCOLATION FOR SURFACE SYSTEMS
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Site Irriga Irrigation Event
10 Sys. Seasonel
(#) TYDO -Croo--- 1 2 3 4 5 6 7 8 9+ Total
11 PGP ORCHARD 0.0 3.2 9.2 0.1 3.5 0.0 16.0
13 PGS CORN 1.2 0.0 0.0 0.0 2.7 1.2 5.1
15 COS CORN 13.B 0.0 2.4 1.1 3.9 1.9 23.1
16 COS ALFALFA 2.0 0.6 0.0 0.3 1.1 1.1 0.8 5.9
18 PGP ORCHARD 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
21 PGP ALFALFA 5.5 2.9 1.5 1.8 1.7 2.1 0.0 15.5
26 PGP CORN 4.1 0.0 0.0 0.0 0.0 0.0 4,1
30 COS CORN 5.9 1.7 0.3 3.7 2.3 1.3 1.9 17.1
31 COS ALFALFA 1.3 1.3 1.0 1.0 1.6 2.7 2.1 11.4 22.4
32 COS FALL GRAIN 4.5 3.9 0.8 0.4 1.6 11.2
37 COS ALFALFA 5.2 4.1 3.8 4.3 4.7 4.6 4.0 5.7 36.4
39 PGS ORCHARD 0.0 0.0 2.9 2.1 0.0 1.1 6.1
41 CGS CORN 7.7 6.5 0.0 0.0 0.0 0.3 14.5
43 PGP ALFALFA 2.6 2.1 0.4 1.8 7.6 9.2 5.3 29.0
44 PGS CORN 0.5 5.6 2.9 4.2 5.8 3.3 6.0 28.3
46 COP ALFALFA 11.8 3.7 2.5 0.0 0.8 1.6 3.5 23.9
47 PGP ORCHARD 5.2 3.2 5.7 6.1 2.8 23.0
49 COG FALL GRAIN 16.6 6.4 3.4 4.5 30.9
50 CGS FALL GRAIN 11.9 5.6 5.2 7.7 30.4
51 PGS CORN 2,1 0.0 0.0 0.0 0.0 0.0 2.1
Total for all croDS 101.9 50.8 42.0 39. I 40.1 30.4 21.5 7.8 11.4 345.0
Deep Percolation in inches/acre CGS-Conc Ditch to Gated Pipe, Surge
COS-Cone. Ditch to Siphon Tubes PGP (PGS)--Pipeline to Gated Pipe, (Surge) COP (PCS)--Ported Cone. Ditch, (SurBe)

Average Deep Percolatlon
No. of Fields
6 ALFALFA 4.7 2.5 1.5 1.5 2.9 3.6 2.3 1.3 1.9 22.2
7 CORN 5.0 2.0 0.8 1.3 2.1 1.1 1.1 0.0 0.0 13.5
3 FALL GRAIN 11.0 5.3 3.1 4.2 0.5 0.0 0.0 0.0 0.0 24.2
4 ORCHARD 1.3 1.6 4.5 2.1 1.6 0.3 0.0 0.0 0.0 11.3
10 AIV1U81 Crops 6.8 3.0 1.5 2.2 1.6 0.8 0.8 0.0 0.0 16.7
10 Perennial Crops 3.4 2.1 2.7 1.8 2.4 2.2 t.4 0.8 1.1 17.8
20 All crops 5.1 2.5 2.1 2.0 2.0 1.5 1.1 0.4 0.6 17.3

Percentage of Deep Percolation
No. of Fields
6 ALFALFA 21.3 11.0 6.9 6.9 13.1 16.0 10,2 5.9 8.6
7 CORN 37.4 14.6 5.9 9.5 15.6 8.5 8.4 0.0 0.0
3 FALL GRAIN 45.5 21.9 13.0 17.4 2.2 0.0 0.0 0.0 0.0
4 ORCHARD 11.5 14.2 39.5 18.4 14.0 2.4 0.0 0.0 0.0
10 AIV1U81 Crops 40.9 17.8 9.0 12.9 9.8 4.8 4.7 0.0 0.0
10 Perennial Crops 18.9 11.8 15.2 9.8 13.4 12.6 7.6 4.4 6.4
20 All crODS 29.5 14.7 12.2 11.3 11.6 8.8 6.2 2.3 3.3

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