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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Dissolved Oxygen Time Series for 2001
Boulder Creek at 95th St |
Preliminary Data - subject to revision
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 Indicates no data available |
 Indicates data exceeds plot scale. |
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Information on Dissolved Oxygen:
Dissolved Oxygen (DO)
is the amount of oxygen dissolved in the water. DO is a very important indicator of a water body's ability to support aquatic life. The amount of DO in water depends on several factors, including temperature (the colder the water, the more oxygen can be dissolved); the volume and velocity of water flowing in the water body; and the amount of organisms using oxygen for respiration. The amount of oxygen dissolved in water is expressed as a concentration, in milligrams per liter (mg/l) of water. The optimal DO for adult brown trout is 9-12 mg/l. Human activities that affect DO levels include the removal of riparian vegetation, runoff from roads, and sewage discharge.
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More general information about Dissolved Oxygen
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Interpretation of Boulder Creek Dissolved Oxygen data
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Monitoring site information: |
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- Location: Boulder Creek at 95th St
- Name: BC-95
- Type: Composite
- Frequency: Monthly
- Longitude: 105 ° W 78'
- Latitude: 40 ° N 28'
- Elevation: 5050 feet asl
- Site photo
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| Downstream Site: Boulder Creek at 107th St |
| Upstream Site: Boulder Creek above Dry Creek |
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| Plot Label |
Date |
DO
mg/L |
| 01 |
January, 2001 |
9.12 |
| 02 |
February, 2001 |
10.71 |
| 03 |
March, 2001 |
11.66 |
| 04 |
April, 2001 |
9.75 |
| 05 |
May, 2001 |
9.84 |
| 06 |
June, 2001 |
9.00 |
| 07 |
July, 2001 |
10.06 |
| 08 |
August, 2001 |
7.70 |
| 09 |
September, 2001 |
12.50 |
| 10 |
October, 2001 |
8.75 |
| 11 |
November, 2001 |
13.61 |
| 12 |
December, 2001 |
8.03 |
| *value below detection limit: |
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| Detection Limit (if available) |
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Preliminary Data - subject to revision
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Select on the parameter name to view all Dissolved Oxygen time series plots on the basin map.
Select on the table date to view stream Dissolved Oxygen profiles observed on that date.
Select here to view all parameters at this site.
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To find out more about how you can be involved,
click here.
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