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EF/ ICR Logo Summary Report for City of St. Louis Water Division



[ Quarterly DBP ] [ Monthly DBP ] [ Monthly Microbials ]

Water Systems and Water Treatment Plants: A water system may consist of more than one treatment plant. Therefore, you may see data from more than one treatment plant in your water system report.


Sampled Quarterly - DISINFECTION BYPRODUCT (Treated Water)

Chain of Rocks - 433

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
20.8
NO DATA
OCT 1997 - DEC 1997
7.4
NO DATA
JAN 1998 - MAR 1998
13
NO DATA
APR 1998 - JUN 1998
15.3
NO DATA
JUL 1998 - SEP 1998
22.8
NO DATA
OCT 1998 - DEC 1998
36.9
NO DATA

Howard Bend - 434

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
23.2
NO DATA
OCT 1997 - DEC 1997
9.1
NO DATA
JAN 1998 - MAR 1998
16.3
NO DATA
APR 1998 - JUN 1998
21.7
NO DATA
JUL 1998 - SEP 1998
25.7
NO DATA
OCT 1998 - DEC 1998
22.5
NO DATA

Detailed water system reports are available for: Total Trihalomethanes and Haloacetic Acids 5.



Sampled Monthly - DISINFECTION BYPRODUCT (Treated Water)

Detailed water system reports are available for: Total Trihalomethanes and Haloacetic Acids 5.


Sampled Monthly - DISINFECTION BYPRODUCT (Treated Water)

NO DATA - Click here to find out why.

Detailed water system reports are available for: Bromate and Chlorite


Sampled Monthly - MICROBIALS (Source Water)

Chain of Rocks - 433

Month Cryptosporidium
(#oocysts/100L)
Giardia
(#cysts/100L)
Virus
(MPN/100L)
Total Coliform
(Total Coliforms/100mL)
Fecal Coliform
(Fecal Coliforms/100mL)
E. coli
(E. coli/100mL)
JUL 1997
0
0
NO DATA
3900
210
NO DATA
AUG 1997
NO DATA
NO DATA
0
3500
180
NO DATA
SEP 1997
NO DATA
NO DATA
0
7300
NO DATA

OCT 1997
NO DATA
NO DATA
1.6
3500
390
NO DATA
NOV 1997
0
385
0
4400
470
NO DATA
DEC 1997
0
88.1
0
5300
310
NO DATA
JAN 1998
0
0
0
9800
740
NO DATA
FEB 1998
0
0
0
1900
170
NO DATA
MAR 1998
0
0
0
4700
530
NO DATA
APR 1998
0
0
14.5
8300
800
NO DATA
MAY 1998
0
12.8
0
4500
290
NO DATA
JUN 1998
0
0
0
6000
420
NO DATA
JUL 1998
0
0
0
11000
2100
NO DATA
AUG 1998
259.7
129.9
0
10000
670
NO DATA
SEP 1998
0
0
0
2300
220
NO DATA
OCT 1998
943.4
471
0
5900
480
NO DATA
NOV 1998
0
128.5
0
12000
1000
NO DATA
DEC 1998
0
302.4
0
8000
610
NO DATA

Howard Bend - 434

Month Cryptosporidium
(#oocysts/100L)
Giardia
(#cysts/100L)
Virus
(MPN/100L)
Total Coliform
(Total Coliforms/100mL)
Fecal Coliform
(Fecal Coliforms/100mL)
E. coli
(E. coli/100mL)
JUL 1997
0
106
NO DATA
3200
160
NO DATA
AUG 1997
NO DATA
NO DATA
8.6
4000
92
NO DATA
SEP 1997
NO DATA
NO DATA
0
5000
NO DATA

OCT 1997
NO DATA
NO DATA
0
1600
43
NO DATA
NOV 1997
0
93
0
3100
290
NO DATA
DEC 1997
0
0
0
7100
490
NO DATA
JAN 1998
0
0
0
9000
680
NO DATA
FEB 1998
0
61.3
0
2100
42
NO DATA
MAR 1998
0
58.9
0
5100
270
NO DATA
APR 1998
0
0
10.5
6700
730
NO DATA
MAY 1998
0
0
0
2900
210
NO DATA
JUN 1998
72.3
0
0
4500
210
NO DATA
JUL 1998
0
250
0
11000
2200
NO DATA
AUG 1998
0
0
2.1
9800
390
NO DATA
SEP 1998
0
0
0
2000
44
NO DATA
OCT 1998
0
902.5
0
3300
150
NO DATA
NOV 1998
78.7
78.7
0
6000
1300
NO DATA
DEC 1998
0
0
0
5000
230
NO DATA

Detailed water system reports are available for: Cryptosporidium, Giardia, Virus, Total Coliform, Fecal Coliform, and E. coli

You can click on column titles to obtain more information about the subject. You can click on the "NO DATA" to find out why data is missing. "0" value does not mean that the value was missing. Missing values are indicated by a "NO DATA" label. For microbial results, "0" indicates that a sample was analyzed, but that no microbes were found. For DBP results, "0" may indicate that a sample was analyzed, but that the result was less than the lowest value that the analytical method can reliably report.


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