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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Water Quality Data Time Series for 2002
North Boulder Creek at Boulder Falls |
Preliminary Data - subject to revision
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 Indicates no data available |  Indicates data exceeds plot scale. |
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Monitoring site information: |
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- Location: North Boulder Creek at Boulder Falls
- Name: NBC-FALLS
- Type: Composite
- Frequency: Monthly
- Longitude: 105 ° W 24'
- Latitude: 40 ° N 35'
- Elevation: 6880 feet asl
- Site photo
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| Downstream Site: Boulder Creek at Orodell |
| Upstream Site: North Boulder Creek diversion to Lakewood |
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| Plot Label |
Date |
Temp
° C |
DO
mg/L |
SC
µ mhos/cm |
pH
stnd units |
TOC
mg/L |
Flow
cfs |
Alk
mg/L as CaCO3 |
Hard
mg/L as CaCO3 |
NO3+NO2
mg/L as N |
NH3
mg/L as N |
TP
mg/L as P |
OP_Dis
mg/L as P |
FColi
#/100 mL |
TSS
mg/L |
TDS
mg/L |
Turb
NTU |
NO2
mg/L as N |
DO%
- |
| 01 |
January, 2002 |
1.20 |
12.70 |
71 |
7.53 |
1.56 |
No Data |
27.0 |
31.0 |
< 0.10* |
< 0.10* |
< 0.02* |
0.04 |
< 20* |
4 |
52 |
0.31 |
< 0.0* |
114.00 |
| 02 |
February, 2002 |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
| 03 |
March, 2002 |
2.10 |
11.68 |
22 |
6.90 |
1.65 |
No Data |
35.0 |
40.0 |
< 0.10* |
< 0.10* |
0.03 |
0.14 |
< 20* |
2 |
98 |
1.40 |
< 0.0* |
118.20 |
| 04 |
April, 2002 |
3.60 |
10.83 |
108 |
7.04 |
2.59 |
No Data |
37.0 |
44.0 |
< 0.10* |
< 0.10* |
0.04 |
< 0.03* |
< 20* |
5 |
102 |
1.43 |
< 0.0* |
103.90 |
| 05 |
May, 2002 |
6.00 |
8.51 |
14 |
7.43 |
3.11 |
No Data |
23.0 |
12.0 |
< 0.10* |
< 0.10* |
< 0.02* |
< 0.03* |
< 20* |
5 |
68 |
3.03 |
< 0.0* |
92.20 |
| 06 |
June, 2002 |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
No Data |
| 07 |
July, 2002 |
15.00 |
10.37 |
37 |
7.08 |
1.95 |
No Data |
18.0 |
20.0 |
< 0.10* |
< 0.10* |
0.03 |
< 0.03* |
20 |
14 |
32 |
5.80 |
< 0.0* |
133.10 |
| 08 |
August, 2002 |
13.50 |
6.72 |
42 |
7.07 |
2.08 |
15.86 |
22.0 |
28.0 |
< 0.10* |
0.10 |
0.21 |
0.15 |
330 |
9 |
108 |
No Data |
< 0.0* |
85.50 |
| 09 |
September, 2002 |
11.90 |
6.53 |
53 |
7.22 |
2.68 |
3.96 |
26.0 |
48.0 |
0.20 |
< 0.10* |
0.07 |
< 0.03* |
9200 |
28 |
68 |
52.00 |
0.0* |
78.80 |
| 10 |
October, 2002 |
5.40 |
9.06 |
50 |
7.17 |
1.93 |
2.89 |
29.0 |
32.0 |
< 0.10* |
< 0.10* |
0.07 |
< 0.03* |
< 20* |
7 |
76 |
2.50 |
< 0.0* |
95.60 |
| 11 |
November, 2002 |
0.30 |
10.75 |
49 |
7.19 |
1.72 |
No Data |
27.0 |
38.0 |
< 0.10* |
< 0.10* |
0.05 |
< 0.03* |
< 20* |
2 |
62 |
1.39 |
< 0.0* |
96.70 |
| 12 |
December, 2002 |
0.20 |
15.33 |
52 |
7.00 |
No Data |
No Data |
30.0 |
40.0 |
0.20 |
0.10 |
0.08 |
< 0.03* |
< 20* |
2 |
0* |
3.57 |
0.0* |
134.60 |
| * indicates measured value below analysis detection limit listed below: |
|---|
| Lower Detection Limit |
0.0 | | 1.0 | NA | | | 1.0 | 0.1 | 0.1 | 0.1 | 0.03 | 0.03 | 20.0 | 1 | 1 | 0.01 | 0.001 | |
|---|
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Preliminary Data - subject to revision
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Select on the parameter name to view more detailed information on that parameter at this station.
Select on the table date to view stream data profiles observed on that date.
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