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EF/ ICR Logo Summary Report for City of New York DEP



[ 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)

Catskill System - 506

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
52.7
45.1
OCT 1997 - DEC 1997
26.8
NO DATA
JAN 1998 - MAR 1998
17
NO DATA
APR 1998 - JUN 1998
25.4
35.5
JUL 1998 - SEP 1998
33.5
56.7
OCT 1998 - DEC 1998
28.3
49.3

Croton System - 507

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
64.9
69
OCT 1997 - DEC 1997
56.3
NO DATA
JAN 1998 - MAR 1998
38.7
NO DATA
APR 1998 - JUN 1998
36
52.7
JUL 1998 - SEP 1998
82.7
55.7
OCT 1998 - DEC 1998
40.2
56.6

NYC Groundwater - 519

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
13.6
10.9
OCT 1997 - DEC 1997
2.4
NO DATA
JAN 1998 - MAR 1998
8.2
NO DATA
APR 1998 - JUN 1998
6.5
2.3
JUL 1998 - SEP 1998
6.4
5.5
OCT 1998 - DEC 1998
6.3
5

Delaware System - 721

Quarter Total Trihalomethanes(ppb) Haloacetic Acids 5(ppb)
JUL 1997 - SEP 1997
34.4
47.8
OCT 1997 - DEC 1997
25.5
NO DATA
JAN 1998 - MAR 1998
18.8
NO DATA
APR 1998 - JUN 1998
25.5
40.8
JUL 1998 - SEP 1998
41.5
51.8
OCT 1998 - DEC 1998
25.4
39.4

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)

Catskill System - 506

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
1
NO DATA
NO DATA
4
NO DATA
AUG 1997
0
0
NO DATA
30
0
NO DATA
SEP 1997
0
.9
NO DATA
7
2
NO DATA
OCT 1997
0
.9
NO DATA
10
0
NO DATA
NOV 1997
0
0
NO DATA
53
4
NO DATA
DEC 1997
0
1.9
NO DATA
18
1
NO DATA
JAN 1998
0
3.8
NO DATA
2
0
NO DATA
FEB 1998
0
5.7
NO DATA
5
2
NO DATA
MAR 1998
0
2.8
NO DATA
7
5
NO DATA
APR 1998
0
0
NO DATA
9
3
NO DATA
MAY 1998
0
2
NO DATA
29
6
NO DATA
JUN 1998
0
.9
NO DATA
20
0
NO DATA
JUL 1998
0
2.8
NO DATA
7
0
NO DATA
AUG 1998
0
.9
NO DATA
250
2
NO DATA
SEP 1998
0
0
NO DATA
47
0
NO DATA
OCT 1998
1.9
1.9
NO DATA
73
3
NO DATA
NOV 1998
0
1.9
NO DATA
9
0
NO DATA
DEC 1998
0
0
NO DATA
6
0
NO DATA

Croton System - 507

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
7
1
NO DATA
AUG 1997
0
0
NO DATA
143
0
NO DATA
SEP 1997
0
0
NO DATA
14
11
NO DATA
OCT 1997
0
0
NO DATA
37
10
NO DATA
NOV 1997
0
0
NO DATA
125
4
NO DATA
DEC 1997
0
0
NO DATA
24
1
NO DATA
JAN 1998
0
0
NO DATA
12
3
NO DATA
FEB 1998
0
.9
NO DATA
13
5
NO DATA
MAR 1998
0
0
NO DATA
8
2
NO DATA
APR 1998
0
0
NO DATA
4
0
NO DATA
MAY 1998
0
0
NO DATA
1
0
NO DATA
JUN 1998
0
0
NO DATA
30
0
NO DATA
JUL 1998
0
0
NO DATA
33
3
NO DATA
AUG 1998
0
0
NO DATA
333
4
NO DATA
SEP 1998
0
0
NO DATA
17
1
NO DATA
OCT 1998
2.8
0
NO DATA
6
0
NO DATA
NOV 1998
0
0
NO DATA
3
0
NO DATA
DEC 1998
0
0
NO DATA
2
1
NO DATA

NYC Groundwater - 519

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
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
AUG 1997
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
SEP 1997
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
OCT 1997
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NOV 1997
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
DEC 1997
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
JAN 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
FEB 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
MAR 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
APR 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
MAY 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
JUN 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
JUL 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
AUG 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
SEP 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
OCT 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NOV 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
DEC 1998
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA
NO DATA

Delaware System - 721

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
1
NO DATA
9
5
NO DATA
AUG 1997
.9
0
NO DATA
40
1
NO DATA
SEP 1997
0
0
NO DATA
14
0
NO DATA
OCT 1997
0
0
NO DATA
7
0
NO DATA
NOV 1997
0
0
NO DATA
23
1
NO DATA
DEC 1997
0
2.8
NO DATA
29
7
NO DATA
JAN 1998
0
3.8
NO DATA
9
1
NO DATA
FEB 1998
0
4.7
NO DATA
3
2
NO DATA
MAR 1998
0
.9
NO DATA
12
10
NO DATA
APR 1998
0
0
NO DATA
3
0
NO DATA
MAY 1998
0
3.8
NO DATA
44
5
NO DATA
JUN 1998
0
1.9
NO DATA
33
3
NO DATA
JUL 1998
0
1
NO DATA
14
0
NO DATA
AUG 1998
0
.9
NO DATA
229
0
NO DATA
SEP 1998
0
0
NO DATA
73
1
NO DATA
OCT 1998
3.8
.9
NO DATA
26
3
NO DATA
NOV 1998
0
1.9
NO DATA
17
0
NO DATA
DEC 1998
.9
.9
NO DATA
4
0
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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