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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
Boulder Creek at 75th St |
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: Boulder Creek at 75th St
- Name: BC-75
- Type: Composite
- Frequency: Monthly
- Longitude: 105 ° W 10'
- Latitude: 40 ° N 30'
- Elevation: 5105 feet asl
- Site photo
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| Downstream Site: Boulder Creek above Dry Creek |
| Upstream Site: Boulder Creek above WW Plant |
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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 |
12.80 |
7.90 |
498 |
6.70 |
9.12 |
No Data |
87.0 |
No Data |
7.80 |
1.86 |
2.46 |
2.44 |
No Data |
6 |
368 |
No Data |
0.2 |
No Data |
| 02 |
February, 1999 |
12.60 |
6.34 |
474 |
6.67 |
9.57 |
No Data |
89.3 |
No Data |
8.00 |
2.22 |
2.33 |
2.31 |
No Data |
8 |
364 |
No Data |
0.5 |
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 |
16.70 |
5.65 |
No Data |
7.21 |
No Data |
No Data |
120.2 |
No Data |
9.10 |
8.12 |
2.74 |
2.57 |
No Data |
8 |
412 |
No Data |
0.8 |
No Data |
| 05 |
May, 1999 |
11.00 |
6.70 |
773 |
7.42 |
7.94 |
No Data |
117.0 |
No Data |
No Data |
5.77 |
1.79 |
1.17 |
No Data |
8 |
346 |
No Data |
0.3 |
No Data |
| 06 |
June, 1999 |
13.90 |
6.11 |
350 |
6.79 |
4.79 |
No Data |
39.5 |
No Data |
2.00 |
1.16 |
0.39 |
0.29 |
No Data |
14 |
110 |
No Data |
0.1 |
No Data |
| 07 |
July, 1999 |
20.10 |
7.26 |
432 |
7.35 |
No Data |
No Data |
77.2 |
No Data |
6.50 |
3.95 |
1.30 |
1.17 |
No Data |
2 |
318 |
No Data |
0.5 |
No Data |
| 08 |
August, 1999 |
18.90 |
6.68 |
330 |
7.10 |
6.49 |
No Data |
79.3 |
No Data |
4.00 |
2.32 |
0.92 |
No Data |
No Data |
5 |
242 |
No Data |
0.4 |
No Data |
| 09 |
September, 1999 |
19.60 |
No Data |
538 |
7.02 |
8.06 |
68.05 |
101.2 |
No Data |
8.50 |
4.72 |
1.88 |
1.82 |
No Data |
2 |
402 |
No Data |
0.7 |
No Data |
| 10 |
October, 1999 |
18.60 |
7.28 |
520 |
7.75 |
10.70 |
41.96 |
145.8 |
No Data |
3.90 |
9.91 |
1.79 |
1.18 |
No Data |
9 |
342 |
No Data |
0.3 |
No Data |
| 11 |
November, 1999 |
16.10 |
9.25 |
476 |
6.93 |
8.73 |
37.66 |
78.0 |
No Data |
10.50 |
3.64 |
4.56 |
2.21 |
No Data |
4 |
344 |
No Data |
0.0* |
No Data |
| 12 |
December, 1999 |
12.10 |
No Data |
162 |
6.85 |
9.79 |
41.40 |
79.8 |
No Data |
11.10 |
4.26 |
2.65 |
2.48 |
No Data |
4 |
350 |
No Data |
0.4 |
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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