City of Boulder/USGS Water Quality Monitoring
Boulder Reservior Watershed
Boulder Reservoir and its Tributaries
for August, 1999
Preliminary Data - subject to revision
Marker Indicates no data available
Marker Indicates data exceeds plot scale.
Information on Total Phosphate:

Phosphorus is generally found as phosphate (PO4-3). The primary sources of phosphates to surface water are detergents, fertilizers, and natural mineral deposits.

More general information about Total Phosphate
Measurement of Total Phosphate
Factors affecting Total Phosphate
Standards regarding Total Phosphate
Interpretation of Boulder Reservior Total Phosphate data
Data Source:
Point of Contact:
Collection and Analysis notes
Analysis method: SM 4500-P B.5
Indicated monitoring site:

The above map indicates water quality monitoring sites. To view data at a specific site select it from the map with the mouse.

Plot Label SiteName TP
mg/L as P
DC Dry Creek 0.02
BFCaBR Boulder Feeder Canal at Boulder Reservoir 0.01
BR_SDB Boulder Reservoir South Dam - Bottom 0.01
BR_SDT Boulder Reservoir South Dam - Top 0.01
BCSC Boulder Creek Supply Canal 0.01
LDC Little Dry Creek 0.02
UNK Unknown Ditch 0.01
*value below detection limit:
Detection Limit (if available) 0.0002
Preliminary Data - subject to revision
Select on the parameter name to view more detailed information for that parameter in this month. Select on the site name to view data time series observed at that station. For monitoring site locations see site location map.

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