WSP07794

• File Number: 8210.140.20.A
• Description: Colorado River Basin Organizations/Entities - CRBSF - Colorado River Board of California
• Date: 11/28/2004
• Author: CRBC
• Title: Colorado River Water Report
• Water Supply Pro - Doc Type: Report/Study

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~ WEIGHTED MONTHLY SALINITY AT
~ ~ SELECTED COLORADO RIVER STATIONS J!
AND RUNNING 12-MONTH NIB-IMPERIAL FLOW-WEIGHTED SALINITY DIFFERENTIAL
(in parts per million)

Below Below Palo Verde At At Northerly Inter-
Hoover Dam Parker Dam Canal Near Blvthe Imoerial Dam national Boundarv
5-Year 5- Year 5-Year 5-Year 5-Year
avg,Y avg,Y avg,Y avg,Y avg,Y
1974-78 2003 2004 4/ 1974-78 2003 2004 1974-78 2003 2004 1974-78 2003 2004 1974-78 2003 2004
Month
Jan, 690 623 653 709 665 751 648 913 711 766 1,041 891 890
Feb. 675 640 657 706 627 732 636 835 700 708 998 798 817
March 684 601 648 699 621 727 629 805 679 695 925 787 787
April 680 615 645 700 628 714 631 801 680 704 892 777 770
, May 677 621 643 698 625 709 633 822 723 714 962 878 872
-;-' June 678 621 655 695 632 712 634 812 711 734 956 844 877
July 682 623 657 688 635 709 637 797 671 734 909 810 872
August 690 620 657 686 631 706 635 800 689 751 907 867 878
Sept. 672 618 661 686 634 737 643 815 708 743 952 869 904
Oct. 680 628 661 689 634 739 639 854 726 1,070 930
Nov. 682 641 692 746 897 766 1,010 952
Dee, 681 645 702 731 877 772 999 896
General Notes:
11 Salinity based on "sum of constituents",
y 5-Year averages are arithmetical.

'J! 12-month flow-weighted differential between NIB and Imperial Dam through month shown in left column,

o
o
10-
~
""
..-...

Running
12-Month
Flow-WId,
Differential"
2003 2004

.

143,5 132,8
137,3 134,8
137,7 133,3
134,9 128,9
130,8 129.4
127,2 129.4"
127,6 127,8.
131,0 123,1'
133,2 122.4
133,0
136.4
136,0

.

~ May, June, July, August, September, and October 2004 are partial month mesurments, rest of month values unavailable due to failure of automated
equipment.