WSP02818

• File Number: 8210.140.20
• Description: Colorado River Basin Organizations and Entities - Colorado River Basin States Forum - California
• State: CA
• Basin: Colorado Mainstem
• Date: 7/1/1948
• Author: Metro Water District
• Title: Metropolitan Water District of Southern California - Tenth Annual Report
• Water Supply Pro - Doc Type: Annual Report

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OPERATION AND MAIl'\TENANCE 47
TABLE 10
SUMMARY OF SOFTENING PLANT OPERATION
BACTERIOLOGICAL EXAMINATION OF COLORADO RIVER \VATER
Year Ending J unt" 30, 1948
COMPLETED
1.0 ML TUBES ]0.0 lolL. TUBES (OLl-MROGENES POSITIVB
NUMBER /'o'UMIIER GROUP TUBES IN
""UMBER POSITIVB POSITIVE COMPLETED TEST (l(, UF TOTAL
0' NUMBER 24 48 NUMBER " 48 NO. POSITIVI! 10 ML. ruBES
M.O.....TH SAMPLES Pl.IoNTED HOUR HOUR P].ANTED HOUR HOUR 1.0 MI.. ]O.OML. PlANTED
NATURAL WATER
July. 31 31 1 2 155 3 59 0 17 11.0
August.. . 31 31 0 2 155 0 41 0 7 4.5
September.. 30 30 0 I 150 0 42 I 22 14.7
October..... 31 31 0 0 155 0 28 0 25 16.1
November 30 30 0 0 150 0 21 0 14 9.3
December.. 31 31 0 2 155 6 34 I 12 7.7
January. 31 31 0 2 155 0 37 (I 0 0.0
February.. 29 29 0 3 145 I 78 0 4 2.8
March.. 31 31 0 2 155 0 33 0 0 0.0
April.. 30 30 0 I 150 0 34 0 5 3.3
May_ 31 31 0 0 155 1 70 0 22 14.2
June.. 30 30 0 3 150 4 80 I 26 17.3
Total 366 3GG I 18 1,830 15 557 3 154 8.4
SOFTENED WATER
July..... 31 10 0 1 155 0 :-17 0 0 0.0
August. 31 5 0 0 155 0 14 0 0 0.0
September 30 0 150 0 0 0 0.0
October..... 31 0 155 0 1 0 0.0
November.. 30 0 150 0 0 0 0.0
December .. 31 0 155 0 3 0 0.0
January.. 31 0 155 0 5 0 0.0
February.. 29 1 0 0 145 0 15 0 0 0.0
March.. 31 0 155 0 3 0 0.0
April.. 30 0 150 0 I 0 0.0
May 31 0 155 0 3 0 0.0
June 30 0 150 0 12 0 0.0
Total.. 366 16 0 1 1.830 0 94 n 0 0.0
DISTRIBUTION S"'STEM SAMPLES
, July.. 5Gl 3 0 0 2,805 0 87 0 1 0.1
August.. 574 0 2,870 0 29 0 0.0
September. 535 0 2,675 0 13 0 0.0
October. 475 1 0 0 2,375 3 26 0 6 0.3
November 413 0 2.065 1 5 3 0.1
I December. 425 0 2,125 0 11 0 0.0
January.. 444 0 2,220 0 18 0 0.0
February 407 0 2,035 0 34 0 0.0
March. 458 0 2,290 1 19 1 0.1
April.. 449 0 2.245 0 7 1 0.1
May.. 471 0 2.355 0 5 0 0.0
June 451 0 2,255 1 16 6 0.3
Total ....5.663 4 0 0 28,315 6 270 0 18 0.1
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