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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Water Quality Data Time Series for 1999
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, 1999 |
1.00 |
9.59 |
56 |
6.68 |
1.34 |
No Data |
37.0 |
70.0 |
0.00* |
0.00* |
0.00* |
0.00* |
No Data |
2 |
66 |
No Data |
0.0* |
No Data |
| 02 |
February, 1999 |
0.30 |
8.07 |
96 |
7.05 |
1.59 |
No Data |
57.5 |
65.0 |
0.10 |
0.03* |
0.47 |
0.00* |
No Data |
3 |
84 |
No Data |
0.0* |
No Data |
| 03 |
March, 1999 |
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 |
| 04 |
April, 1999 |
3.30 |
7.10 |
No Data |
7.30 |
1.88 |
No Data |
48.0 |
55.0 |
0.00* |
0.00* |
0.06 |
0.03 |
No Data |
3 |
90 |
No Data |
0.0* |
No Data |
| 05 |
May, 1999 |
2.00 |
8.36 |
126 |
7.84 |
6.25 |
No Data |
35.9 |
55.0 |
No Data |
0.00* |
0.07 |
0.00* |
No Data |
5 |
80 |
No Data |
0.0* |
No Data |
| 06 |
June, 1999 |
9.20 |
7.36 |
40 |
6.79 |
4.13 |
No Data |
9.2 |
15.0 |
0.00* |
0.00* |
0.03 |
0.00* |
No Data |
9 |
22 |
No Data |
0.0* |
No Data |
| 07 |
July, 1999 |
12.00 |
8.12 |
21 |
6.83 |
2.43 |
No Data |
9.6 |
10.0 |
0.00* |
0.00* |
0.06 |
0.00* |
No Data |
3 |
50 |
No Data |
0.0* |
No Data |
| 08 |
August, 1999 |
12.90 |
6.25 |
37 |
7.31 |
3.65 |
No Data |
18.2 |
20.0 |
0.00* |
0.00* |
0.02* |
0.00* |
No Data |
2 |
54 |
No Data |
0.0* |
No Data |
| 09 |
September, 1999 |
7.00 |
No Data |
37 |
7.77 |
2.34 |
11.01 |
22.6 |
30.0 |
0.00* |
0.00* |
0.05 |
0.00* |
No Data |
0* |
74 |
No Data |
0.0* |
No Data |
| 10 |
October, 1999 |
6.00 |
No Data |
48 |
7.50 |
2.45 |
16.50 |
30.9 |
35.0 |
0.00* |
0.03* |
0.07 |
0.06 |
No Data |
3 |
24 |
No Data |
0.0* |
No Data |
| 11 |
November, 1999 |
3.00 |
10.77 |
46 |
6.95 |
2.11 |
6.22 |
30.5 |
40.0 |
0.00* |
0.25 |
0.10 |
0.04 |
No Data |
1 |
36 |
No Data |
0.0* |
No Data |
| 12 |
December, 1999 |
0.20 |
8.90 |
21 |
7.30 |
1.64 |
No Data |
31.6 |
50.0 |
0.00* |
0.08* |
0.04 |
0.00* |
No Data |
1 |
56 |
No Data |
0.0* |
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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