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USGS
Water Resources of Colorado


PLATTE RIVER BASIN

06752260 CACHE LA POUDRE RIVER AT FORT COLLINS, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--April 1975 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06752260

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Time
Instan-
taneous
dis-
charge,
cfs
(00061)
Dis-
solved
oxygen,
mg/L
(00300)
pH,
water,
unfltrd
field,
std
units
(00400)
Specif.
conduc-
tance,
wat unf
uS/cm
25 degC
(00095)
Temper-
ature,
water,
deg C
(00010)
Hard-
ness,
water,
unfltrd
mg/L as
CaCO3
(00900)
Calcium
water,
fltrd,
mg/L
(00915)
Magnes-
ium,
water,
fltrd,
mg/L
(00925)
Sodium
adsorp-
tion
ratio
(00931)
Sodium,
water,
fltrd,
mg/L
(00930)
ANC,
wat unf
fixed
end pt,
lab,
mg/L as
CaCO3
(90410)
Chlor-
ide,
water,
fltrd,
mg/L
(00940)
OCT
17...
1030
1.9
10.5
8.3
529
8.5
240
65.8
17.9
--
--
E151
--
NOV
15...
1210
0.87
10.2
8.2
681
7.5
310
86.5
23.2
--
--
242
--
DEC
17...
1020
16
11.3
8.5
468
2.5
230
67.5
15.8
--
--
E155
--
JAN
29...
1155
8.6
12.7
8.6
497
4.5
240
68.2
15.9
0.4
12.9
156
6.78
FEB
27...
1000
8.6
11.6
8.4
521
1.5
250
70.5
17.2
--
--
E178
--
APR
03...
1245
6.2
13.0
8.3
984
12.5
440
114
37.3
--
--
201
--
29...
1030
9.1
10.7
8.1
582
14.5
250
65.1
20.5
--
--
136
--
MAY
20...
1340
163
9.3
8.2
146
9.5
59
17.3
3.90
--
--
49
--
JUL
02...
1115
313
8.5
8.2
70
17.5
28
8.08
1.89
--
--
26
--
15...
1145
31
8.4
8.3
145
20.5
58
16.2
4.27
0.3
5.25
50
3.47
AUG
05...
1200
55
8.4
8.2
117
20.0
51
15.1
3.34
--
--
42
--
SEP
17...
1300
32
9.5
8.3
231
17.5
99
28.7
6.68
--
--
79
--

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Fluor-
ide,
water,
fltrd,
mg/L
(00950)
Silica,
water,
fltrd,
mg/L
(00955)
Sulfate
water,
fltrd,
mg/L
(00945)
Residue
on
evap.
at
180degC
wat flt
mg/L
(70300)
Ammonia
water,
fltrd,
mg/L
as N
(00608)
Nitrite
+
nitrate
water
fltrd,
mg/L
as N
(00631)
Nitrite
water,
fltrd,
mg/L
as N
(00613)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)
Phos-
phorus,
water,
fltrd,
mg/L
(00666)
Alum-
inum,
water,
fltrd,
ug/L
(01106)
Arsenic
water,
fltrd,
ug/L
(01000)
Cadmium
water,
fltrd,
ug/L
(01025)
Chrom-
ium,
water,
fltrd,
ug/L
(01030)
OCT
17...
--
--
--
--
<0.04
0.224
E.005
<0.02
<0.04
--
--
--
--
NOV
15...
--
--
--
--
<0.04
0.299
0.011
<0.02
<0.04
--
--
--
--
DEC
17...
--
--