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USGS
Water Resources of Colorado

PLATTE RIVER BASIN

06752280 CACHE LA POUDRE RIVER ABOVE BOXELDER CREEK NEAR TIMNATH, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--October 1979 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=06752280

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...
1415
2.0
11.0
8.3
1,780
11.5
880
227
76.8
--
--
E154
--
NOV
15...
1545
1.9
11.8
8.3
1,830
6.0
990
258
84.5
--
--
222
--
DEC
17...
1245
2.4
11.8
8.4
1,770
3.0
950
250
79.5
--
--
E187
--
JAN
29...
0920
2.6
10.8
8.3
1,570
1.5
800
212
65.0
1
71.6
226
24.3
FEB
27...
1225
2.0
12.2
8.4
1,690
2.5
870
227
73.8
--
--
E224
--
APR
03...
0920
4.5
8.8
7.7
1,860
9.5
920
231
84.2
--
--
209
--
29...
1235
4.9
11.2
8.2
1,810
17.5
880
227
76.9
--
--
204
--
MAY
20...
0900
6.9
8.0
8.3
760
10.0
330
90.2
26.2
--
--
112
--
JUL
02...
1445
293
8.1
8.3
149
20.0
60
16.8
4.25
--
--
39
--
15...
0915
18
--
8.5
457
20.5
200
52.2
15.9
0.6
20.0
85
8.58
AUG
05...
0845
33
7.7
8.2
293
20.0
120
34.0
9.10
--
--
63
--
SEP
17...
0915
12
--
8.2
575
15.0
240
63.9
19.6
--
--
117
--

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
0.582
0.015
<0.02
<0.04
--
--
--
--
NOV
15...
--
--
--
--
<0.04
1.10
0.021
<0.02
<0.04
--
--
--
--
DEC
17...
--