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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Water Quality Data Time Series for 1998
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, 1998 |
11.00 |
10.10 |
748 |
7.38 |
9.12 |
No Data |
118.2 |
No Data |
5.50 |
5.00 |
3.44 |
3.94 |
No Data |
6 |
432 |
No Data |
0.3 |
No Data |
| 02 |
February, 1998 |
11.60 |
8.80 |
864 |
7.31 |
9.57 |
No Data |
137.6 |
No Data |
8.00 |
17.00 |
2.69 |
2.57 |
No Data |
5 |
472 |
No Data |
0.6 |
No Data |
| 03 |
March, 1998 |
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, 1998 |
11.60 |
7.40 |
696 |
7.47 |
No Data |
No Data |
140.6 |
No Data |
3.60 |
6.00 |
0.98 |
0.78 |
No Data |
9 |
406 |
No Data |
0.2 |
No Data |
| 05 |
May, 1998 |
No Data |
No Data |
No Data |
No Data |
7.94 |
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 |
| 06 |
June, 1998 |
18.00 |
7.10 |
590 |
7.10 |
4.79 |
No Data |
97.0 |
No Data |
7.60 |
3.00 |
1.56 |
1.34 |
No Data |
7 |
306 |
No Data |
0.5 |
No Data |
| 07 |
July, 1998 |
20.40 |
7.80 |
360 |
7.77 |
No Data |
No Data |
76.8 |
No Data |
1.70 |
2.00 |
0.76 |
0.52 |
No Data |
15 |
258 |
No Data |
0.1 |
No Data |
| 08 |
August, 1998 |
No Data |
No Data |
No Data |
No Data |
6.49 |
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 |
| 09 |
September, 1998 |
22.20 |
7.55 |
574 |
7.32 |
8.06 |
No Data |
129.3 |
No Data |
4.80 |
9.00 |
2.10 |
1.82 |
No Data |
7 |
342 |
No Data |
0.8 |
No Data |
| 10 |
October, 1998 |
19.50 |
6.79 |
579 |
7.07 |
10.70 |
No Data |
118.0 |
No Data |
5.90 |
7.00 |
2.44 |
2.25 |
No Data |
4 |
376 |
No Data |
1.1 |
No Data |
| 11 |
November, 1998 |
15.90 |
7.44 |
613 |
7.21 |
8.73 |
No Data |
161.0 |
No Data |
5.20 |
7.00 |
2.36 |
2.38 |
No Data |
5 |
418 |
No Data |
0.8 |
No Data |
| 12 |
December, 1998 |
No Data |
No Data |
No Data |
No Data |
9.79 |
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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