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USGS
Water Resources of Colorado


EAGLE RIVER BASIN

09069000 EAGLE RIVER AT GYPSUM, CO

WATER-QUALITY RECORDS

LOCATION.--Lat 39°39'00", long 106°57'06", Eagle County, Hydrologic Unit 14010003, at bridge at Gypsum, about 400 ft upstream from Gypsum Creek, about 520 ft upstream from bridge on U.S. Highways 6 and 24, and about 550 ft upstream from gaging station.

DRAINAGE AREA.--944 mi2, at gaging station.

PERIOD OF RECORD.--April 1947 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09069000

PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: April 1947 to March 31, 1995.

WATER TEMPERATURE: April 1949 to March 31, 1995.

REMARKS.--Records of discharge are given for Eagle River below Gypsum (station 09070000), located 550 ft downstream from Eagle River at Gypsum (station 09069000), except for Nov. 12, Dec. 17, Jan. 15, Feb. 19, and Mar 26.

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)
Potas-
sium,
water,
fltrd,
mg/L
(00935)
Sodium
adsorp-
tion
ratio
(00931)
Sodium,
water,
fltrd,
mg/L
(00930)
Alka-
linity,
wat flt
inc tit
field,
mg/L as
CaCO3
(39086)
OCT
23...
0850
162
9.5
8.2
983
6.5
330
103
18.3
3.38
2
76.7
125
NOV
12...
1145
143
13.6
8.6
941
2.5
310
94.6
17.7
2.84
2
75.4
114
DEC
17...
0900
122
11.2
8.2
1,100
0.0
320
97.6
19.0
3.44
2
89.0
120
JAN
15...
1050
96
11.8
8.3
1,160
0.2
330
101
19.9
3.07
2
93.4
120
FEB
19...
1200
86
12.4
8.3
1,190
2.8
360
108
21.7
4.09
2
104
116
MAR
26...
1045
146
9.6
8.3
1,040
6.4
310
91.5
20.6
3.11
2
85.3
116
APR
15...
1200
420
9.0
8.2
486
8.4
170
49.5
11.2
1.70
1
31.7
81
MAY
20...
1315
1,680
9.0
7.9
218
9.6
94
27.5
6.05
0.90
0.3
6.86
38
JUN
05...
1345
3,020
8.4
8.1
178
11.7
79
23.3
4.92
0.82
0.3
5.82
49
JUL
23...
0844
336
7.9
8.3
599
15.9
220
67.0
12.1
1.97
1
37.5
98
AUG
12...
1220
216
7.6
8.2
881
20.2
300
93.0
16.1
3.22
2
62.1
109
SEP
09...
1200
305
7.5
8.1
735
14.3
280
84.9
16.6
3.02
1
46.2
112

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Bicar-
bonate,
wat flt
incrm.
titr.,
field,
mg/L
(00453)
Carbon-
ate,
wat flt
incrm.
titr.,
field,
mg/L
(00452)
Chlor-
ide,
water,
fltrd,
mg/L
(00940)
Fluor-
ide,
water,
fltrd,
mg/L
(00950)
Silica,
water,
fltrd,
mg/L
(00955)
Sulfate
water,
fltrd,
mg/L
(00945)
Residue
water,
fltrd,
sum of
consti-
tuents
mg/L
(70301)
Residue
water,
fltrd,
tons/
acre-ft
(70303)
Residue
water,
fltrd,
tons/d
(70302)
Residue
total
at 105
deg. C,
sus-
pended,
mg/L
(00530)
Ammonia
+
org-N,
water,
fltrd,
mg/L
as N
(00623)
Ammonia
+
org-N,
water,
unfltrd
mg/L
as N
(00625)
Ammonia
water,
fltrd,
mg/L
as N
(00608)
OCT
23...
152
--
119
<0.2
4.1
200
601
0.82
263
--
0.15
0.21
E.013
NOV
12...
133
3
119
<0.17
4.6
184
569
0.77
220
--
0.11
0.22
E.010
DEC
17...
146
--
150
<0.17
5.6
196
637
0.87
210
--
0.14
0.18
E.014
JAN
15...
147
2
156
0.18
6.1
215
675
0.92
174
--
0.14
0.20
0.025
FEB
19...
128
7
169
0.18
4.1
219
706
0.96
164
--
0.22
0.26
0.038
MAR
26...
135
4
133
0.18
6.2
185
600
0.82
237
--
0.27
0.63
0.059
APR
15...
99
2
48.9
0.11
6.7
77.9
281
0.38
319
--
0.24
1.5
0.062
MAY
20...
47
--
9.30
<0.2
6.5
29.5
111
0.15
503
--
0.19
0.63
E.012
JUN
05...
60
--
6.45
<0.2
5.5
22.6
100
0.14
812
28
0.14
0.23
<0.015
JUL
23...
112
4
55.7
<0.2
5.4
106
345
0.47
313
--
0.19
0.19
0.021
AUG
12...
132
--
94.4
<0.2
7.4
168
512
0.70
299
442
0.20
1.3
0.030
SEP
09...
137
--
68.0
<0.2
7.1
151
447
0.61
368
--
0.13
7.0
0.037

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Nitrite
+
nitrate
water
fltrd,
mg/L
as N
(00631)
Nitrite
water,
fltrd,
mg/L
as N
(00613)
Organic
nitro-
gen,
water,
fltrd,
mg/L
(00607)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)
Phos-
phorus,
water,
fltrd,
mg/L
(00666)
Phos-
phorus,
water,
unfltrd
mg/L
(00665)
Organic
carbon,
water,
fltrd,
mg/L
(00681)
E coli,
m-TEC
MF,
water,
col/
100 mL
(31633)
Fecal
coli-
form,
M-FC
0.7u MF
col/
100 mL
(31625)
OCT
23...
0.351
0.014
--
0.007
0.012
0.029
--
--
--
NOV
12...
0.484
0.065
--
0.015
0.023
0.046
2.0
E2
E2
DEC
17...
1.03
0.024
--
0.057
0.066
0.085
--
--
--
JAN
15...
1.40
0.032
0.12
0.110
0.120
0.137
--
--
--
FEB
19...
1.31
0.017
0.18
0.127
0.150
0.173
--
E1
<1
MAR
26...
1.15
0.024
0.21
0.122
0.134
0.27
--
--
--
APR
15...
0.667
0.014
0.18
0.031
0.040
0.56
3.2
E14
33
MAY
20...
0.279
0.003
--
0.007
0.013
0.190
--
E30
28
JUN
05...
0.138
0.004
--
E.004
0.009
0.056
3.4
E10
--
JUL
23...
0.300
0.006
0.17
0.022
0.032
0.045
--
--
--
AUG
12...
0.659
0.008
0.17
0.032
0.043
0.46
1.9
E3
250
SEP
09...
0.586
0.006
0.09
0.014
0.022
2.55
--
--
--

< -- Actual value is known to be less than the value shown.
E -- Estimated laboratory analysis value.

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Arsenic
water,
fltrd,
ug/L
(01000)
Arsenic
water
unfltrd
ug/L
(01002)
Barium,
water,
fltrd,
ug/L
(01005)
Beryll-
ium,
water,
fltrd,
ug/L
(01010)
Cadmium
water,
fltrd,
ug/L
(01025)
Cadmium
water,
unfltrd
ug/L
(01027)
Chrom-
ium,
water,
fltrd,
ug/L
(01030)
Chrom-
ium,
water,
unfltrd
recover
-able,
ug/L
(01034)
Copper,
water,
fltrd,
ug/L
(01040)
Copper,
water,
unfltrd
recover
-able,
ug/L
(01042)
Iron,
water,
fltrd,
ug/L
(01046)
Iron,
water,
unfltrd
recover
-able,
ug/L
(01045)
Lead,
water,
fltrd,
ug/L
(01049)
OCT
23...
--
--
--
--
--
--
--
--
--
--
26
--
--
NOV
12...
--
--
--
--
<0.2
--
--
--
E.9
--
30
160
<1
DEC
17...
--
--
--
--
--
--
--
--
--
--
14
--
--
JAN
15...
--
--
--
--
--
--
--
--
--
--
<10
--
--
FEB
19...
--
--
--
--
--
--
--
--
--
--
E9
--
--
MAR
26...
--
--
--
--
--
--
--
--
--
--
<10
--
--
APR
15...
--
--
--
--
<0.2
--
--
--
1.3
--
56
6,450
<1
MAY
20...
--
--
--
--
--
--
--
--
--
--
41
--
--
JUN
05...
<2
<2
36.3
<0.4
<0.2
E.1
<0.8
1.1
E.9
1.8
29
--
<1
JUL
23...
--
--
--
--
--
--
--
--
--
--
49
--
--
AUG
12...
<2
3
83.1
<0.4
<0.2
1.8
<0.8
2.4
1.5
7.9
E4
--
<1
SEP
09...
--
--
--
--
--
--
--
--
--
--
<8
--
--

WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Lead,
water,
unfltrd
recover
-able,
ug/L
(01051)
Mangan-
ese,
water,
fltrd,
ug/L
(01056)
Mangan-
ese,
water,
unfltrd
recover
-able,
ug/L
(01055)
Mercury
water,
fltrd,
ug/L
(71890)
Mercury
water,
unfltrd
recover
-able,
ug/L
(71900)
Nickel,
water,
fltrd,
ug/L
(01065)
Nickel,
water,
unfltrd
recover
-able,
ug/L
(01067)
Selen-
ium,
water,
fltrd,
ug/L
(01145)
Selen-
ium,
water,
unfltrd
ug/L
(01147)
Silver,
water,
fltrd,
ug/L
(01075)
Silver,
water,
unfltrd
recover
-able,
ug/L
(01077)
Zinc,
water,
fltrd,
ug/L
(01090)
Zinc,
water,
unfltrd
recover
-able,
ug/L
(01092)
OCT
23...
--
25.6
--
--
--
--
--
--
--
--
--
--
--
NOV
12...
--
22.8
30.1
<0.02
--
--
--
<3
--
<0.3
--
<24
--
DEC
17...
--
24.2
--
--
--
--
--
--
--
--
--
--
--
JAN
15...
--
22.3
--
--
--
--
--
--
--
--
--
--
--
FEB
19...
--
33.3
--
--
--
--
--
--
--
--
--
--
--
MAR
26...
--
31.7
--
--
--
--
--
--
--
--
--
--
--
APR
15...
--
71.0
289
<0.02
--
--
--
<3
--
<0.3
--
E13
--
MAY
20...
--
19.2
--
--
--
--
--
--
--
--
--
--
--
JUN
05...
3
17.6
--
<0.02
<0.02
<2.0
<2.0
<3
<3
<0.3
<0.3
7
40
JUL
23...
--
23.5
--
--
--
--
--
--
--
--
--
--
--
AUG
12...
6
17.1
--
<0.02
0.02
<2.0
15.1
<3
<3
<0.3
<0.3
4
20
SEP
09...
--
8.5
--
--
--
--
--
--
--
--
--
--
--

< -- Actual value is known to be less than the value shown.
E -- Estimated laboratory analysis value.

SUSPENDED SEDIMENT DISCHARGE, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Time
Instan-
taneous
dis-
charge,
cfs
(00061)
Temper-
ature,
water,
deg C
(00010)
Suspnd.
sedi-
ment,
sieve
diametr
percent
<.063mm
(70331)
Sus-
pended
sedi-
ment
concen-
tration
mg/L
(80154)
Sus-
pended
sedi-
ment
load,
tons/d
(80155)
NOV
12...
1145
143
2.5
--
7
2.9
FEB
19...
1200
86
2.8
--
5
1.2
APR
15...
1200
420
8.4
97
421
477
MAY
20...
1315
1,680
9.6
78
158
717
JUN
05...
1345
3,020
11.7
54
79
644
AUG
12...
1220
216
20.2
100
456
266


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Water Resources of Colorado
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Last Modified: April 29, 2004