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City of Boulder Storm Water Quality Program |
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Boulder Creek Watershed
Ortho-phosphate Time Series for 2000
Boulder Creek Below Coal Creek |
Preliminary Data - subject to revision
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 Indicates no data available |
 Indicates data exceeds plot scale. |
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Information on Ortho-phosphate:
Phosphorus
in natural waters is usually found in the form of phosphates (PO4-3).
Phosphates can be in inorganic form (including orthophosphates and
polyphosphates), or organic form (organically-bound phosphates).
Orthophosphate is sometimes referred to as "reactive phosphorus."
Orthophosphate is the most stable kind of phosphate, and is the form used
by plants. Orthophosphate is produced by natural processes and is found in
sewage.
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More general information about Ortho-phosphate
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Interpretation of Boulder Creek Ortho-phosphate data
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Monitoring site information: |
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- Location: Boulder Creek Below Coal Creek
- Name: BC-bCC
- Type: Composite
- Frequency: Monthly
- Longitude: 105 ° W 34'
- Latitude: 40 ° N 50'
- Elevation: 4955 feet asl
- Site photo
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| Downstream Site: North Boulder Creek diversion to Lakewood |
| Upstream Site: Boulder Creek Above Coal Creek |
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| Plot Label |
Date |
OP_Dis
mg/L as P |
| 01 |
January, 2000 |
0.72 |
| 02 |
February, 2000 |
0.52 |
| 03 |
March, 2000 |
0.78 |
| 04 |
April, 2000 |
1.30 |
| 05 |
May, 2000 |
0.20 |
| 06 |
June, 2000 |
0.33 |
| 07 |
July, 2000 |
0.32 |
| 08 |
August, 2000 |
0.26 |
| 09 |
September, 2000 |
0.55 |
| 10 |
October, 2000 |
0.64 |
| 11 |
November, 2000 |
0.77 |
| 12 |
December, 2000 |
0.83 |
| *value below detection limit: |
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| Detection Limit (if available) |
0.03 |
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Preliminary Data - subject to revision
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Select on the parameter name to view all Ortho-phosphate time series plots on the basin map.
Select on the table date to view stream Ortho-phosphate profiles observed on that date.
Select here to view all parameters at this site.
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Thank You!
BASIN was a community project which benefitted from over 1000 hours of
public volunteer time. BASIN was highlighted by the US EPA
in a national case study in its 2001 handbook Delivering Timely Environmental Information to Your Community.
Thank you to all volunteers, and especially to the late Jim Waterman, BASIN Project Coordinator!
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