Summary Report for Fairfax County Water Authority
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)
Corbalis WTP - 684
Quarter | Total Trihalomethanes(ppb) | Haloacetic Acids 5(ppb) |
---|---|---|
JUL 1997 - SEP 1997 |
65.1 |
14.6 |
OCT 1997 - DEC 1997 |
77.3 |
20.4 |
JAN 1998 - MAR 1998 |
26.7 |
20.7 |
APR 1998 - JUN 1998 |
51 |
47.4 |
JUL 1998 - SEP 1998 |
66.7 |
36.6 |
OCT 1998 - DEC 1998 |
61.5 |
27.6 |
Occoquan/Lorton WTP - 685
Quarter | Total Trihalomethanes(ppb) | Haloacetic Acids 5(ppb) |
---|---|---|
JUL 1997 - SEP 1997 |
71.1 |
45.8 |
OCT 1997 - DEC 1997 |
53 |
44.5 |
JAN 1998 - MAR 1998 |
36.6 |
33.3 |
APR 1998 - JUN 1998 |
64.8 |
69.3 |
JUL 1998 - SEP 1998 |
90.6 |
133.3 |
OCT 1998 - DEC 1998 |
54.7 |
66.8 |
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)
Detailed water system reports are available for: Bromate and Chlorite
Sampled Monthly - MICROBIALS (Source Water)
Corbalis WTP - 684
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 |
0 |
2212 |
NO DATA |
|
AUG 1997 |
0 |
37 |
0 |
2172 |
NO DATA |
|
SEP 1997 |
0 |
29 |
1 |
3825 |
NO DATA |
|
OCT 1997 |
0 |
20 |
0 |
1121 |
NO DATA |
|
NOV 1997 |
100 |
600 |
8.6 |
16000 |
NO DATA |
|
DEC 1997 |
0 |
210 |
7.1 |
64 |
NO DATA |
|
JAN 1998 |
0 |
0 |
1 |
8683 |
NO DATA |
|
FEB 1998 |
0 |
0 |
8.7 |
3940 |
NO DATA |
|
MAR 1998 |
0 |
59 |
10.2 |
10950 |
NO DATA |
|
APR 1998 |
0 |
0 |
1 |
1050 |
NO DATA |
|
MAY 1998 |
0 |
71 |
5.7 |
2523 |
NO DATA |
|
JUN 1998 |
0 |
0 |
NO DATA |
41700 |
NO DATA |
|
JUL 1998 |
0 |
0 |
10.2 |
2324 |
NO DATA |
|
AUG 1998 |
0 |
0 |
0 |
1839 |
NO DATA |
|
SEP 1998 |
0 |
0 |
0 |
3748 |
NO DATA |
|
OCT 1998 |
0 |
0 |
0 |
1370 |
NO DATA |
|
NOV 1998 |
0 |
0 |
0 |
70 |
NO DATA |
|
DEC 1998 |
0 |
22 |
0 |
306 |
NO DATA |
Occoquan/Lorton WTP - 685
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 |
0 |
62 |
NO DATA |
|
AUG 1997 |
0 |
0 |
0 |
36 |
NO DATA |
|
SEP 1997 |
0 |
0 |
0 |
595 |
NO DATA |
|
OCT 1997 |
0 |
0 |
0 |
335 |
NO DATA |
|
NOV 1997 |
106 |
212 |
45.6 |
13225 |
NO DATA |
|
DEC 1997 |
37 |
37 |
0 |
430 |
NO DATA |
|
JAN 1998 |
0 |
0 |
0 |
110 |
NO DATA |
|
FEB 1998 |
95 |
429 |
0 |
10825 |
NO DATA |
|
MAR 1998 |
0 |
0 |
2.1 |
150 |
NO DATA |
|
APR 1998 |
0 |
0 |
0 |
246 |
NO DATA |
|
MAY 1998 |
0 |
0 |
0 |
5917 |
NO DATA |
|
JUN 1998 |
0 |
0 |
1 |
2220 |
NO DATA |
|
JUL 1998 |
0 |
0 |
0 |
130 |
NO DATA |
|
AUG 1998 |
0 |
0 |
0 |
20 |
NO DATA |
|
SEP 1998 |
0 |
0 |
0 |
304 |
NO DATA |
|
OCT 1998 |
NO DATA |
NO DATA |
0 |
509 |
NO DATA |
|
NOV 1998 |
0 |
0 |
0 |
493 |
NO DATA |
|
DEC 1998 |
0 |
0 |
0 |
111 |
NO DATA |
Detailed water system reports are available for: Cryptosporidium, Giardia, Virus, Total Coliform, Fecal Coliform, and E. coli