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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Water Quality Data Time Series for 2004
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, 2004 |
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 |
| 02 |
February, 2004 |
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, 2004 |
1.10 |
10.06 |
89 |
8.91 |
No Data |
No Data |
29.0 |
34.0 |
No Data |
< 0.10* |
0.02* |
< 0.03* |
No Data |
3 |
58 |
3.55 |
< 0.0* |
89.40 |
| 04 |
April, 2004 |
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 |
| 05 |
May, 2004 |
7.50 |
7.72 |
60 |
8.31 |
No Data |
No Data |
18.0 |
40.0 |
No Data |
0.10 |
0.06 |
< 0.03* |
20 |
7 |
56 |
5.05 |
< 0.0* |
85.50 |
| 06 |
June, 2004 |
8.90 |
7.45 |
37 |
7.18 |
No Data |
No Data |
14.0 |
18.0 |
No Data |
< 0.10* |
0.03 |
< 0.03* |
50 |
7 |
46 |
3.30 |
< 0.0* |
78.70 |
| 07 |
July, 2004 |
14.30 |
7.74 |
37 |
7.26 |
No Data |
No Data |
16.0 |
24.0 |
No Data |
< 0.10* |
0.05 |
< 0.03* |
20 |
5 |
32 |
2.81 |
< 0.0* |
97.90 |
| 08 |
August, 2004 |
10.30 |
8.41 |
33 |
7.62 |
No Data |
No Data |
21.0 |
24.0 |
No Data |
< 0.10* |
0.03 |
0.06 |
No Data |
2 |
30 |
2.31 |
< 0.0* |
94.40 |
| 09 |
September, 2004 |
9.40 |
9.67 |
56 |
6.94 |
No Data |
No Data |
21.0 |
28.0 |
No Data |
< 0.10* |
< 0.02* |
0.08 |
< 20* |
3 |
44 |
3.16 |
< 0.0* |
106.00 |
| 10 |
October, 2004 |
5.00 |
10.72 |
97 |
7.43 |
No Data |
No Data |
28.0 |
38.0 |
No Data |
< 0.10* |
0.03 |
0.02* |
< 20* |
6 |
72 |
2.26 |
< 0.0* |
108.40 |
| 11 |
November, 2004 |
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 |
| 12 |
December, 2004 |
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 |
| * 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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