09111500 SLATE RIVER NEAR CRESTED BUTTE, CO-Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD--March 1995 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09111500
WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Time
Instan- taneous dis- charge, cfs (00061)
Turbid- ity, wat unf lab, Hach 2100AN NTU (99872)
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)
Ammonia + org-N, water, unfltrd mg/L as N (00625)
Ammonia water, fltrd, mg/L as N (00608)
Nitrite + nitrate water fltrd, mg/L as N (00631)
OCT
22...
0950
21
1.1
9.2
7.8
156
4.5
66
21.9
2.79
E.05
<0.015
0.270
DEC
03...
1340
26
--
10.0
7.5
177
1.0
--
--
--
0.12
0.045
0.191
FEB
11...
1510
12
--
8.4
7.5
218
0.1
--
--
--
0.90
0.696
0.226
APR
15...
1700
131
E11
9.3
7.6
163
2.6
69
22.3
3.25
0.27
0.042
0.402
JUN
17...
1120
351
2.3
8.4
7.4
81
8.0
38
13.1
1.41
E.08
<0.015
0.072
AUG
26...
1025
22
4.0
7.4
7.6
171
12.5
80
26.0
3.72
0.11
<0.015
0.073
WATER-QUALITY DATA, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
Date
Nitrite water, fltrd, mg/L as N (00613)
Ortho- phos- phate, water, fltrd, mg/L as P (00671)
Phos- phorus, water, unfltrd mg/L (00665)
BOD, water, unfltrd 5 day, 20 degC mg/L (00310)
E coli, m-TEC MF, water, col/ 100 mL (31633)
OCT
22...
0.005
0.071
0.098
2.4
E7
DEC
03...
0.003
0.033
0.051
<2.0
E1
FEB
11...
0.003
0.162
0.21
<2.0
55
APR
15...
0.003
<0.007
0.040
2.2
E2
JUN
17...
<0.002
<0.007
0.017
<2.0
E3
AUG
26...
E.002
0.007
0.027
<2.0
83
< -- 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
Alum- inum, water, fltrd, ug/L (01106)
Cadmium water, fltrd, ug/L (01025)
Copper, water, fltrd, ug/L (01040)
Iron, water, fltrd, ug/L (01046)
Lead, water, fltrd, ug/L (01049)
Mangan- ese, water, fltrd, ug/L (01056)
Silver, water, fltrd, ug/L (01075)
Zinc, water, fltrd, ug/L (01090)
OCT
22...
<20
E.2
<1.2
44
<1
56.2
<0.3
26
APR
15...
20
1.0
2.4
29
<1
133
<0.3
207
JUN
17...
22
0.3
E1.0
34
1
20.8
<0.3
54
AUG
26...
8
E.1
E1.0
20
<1
67.6
<0.3
26
< -- 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
Time
Peri- phyton biomass ash weight, g/m2 (00572)
Peri- phyton biomass dry weight, g/m2 (00573)
Biomass chloro- phyll ratio, peri- phyton, number (70950)
Pheo- phytin a, peri- phyton, mg/m2 (62359)
Chloro- phyll a peri- phyton, chromo- fluoro, mg/m2 (70957)
