City of Boulder Storm Water Quality Program
Boulder Creek Watershed
Total Organic Carbon Time Series for 1998
Boulder Creek at 75th St

Preliminary Data - subject to revision


Marker Indicates no data available
Marker Indicates data exceeds plot scale.

Information on Total Organic Carbon:

Total Organic Carbon (TOC) Organic matter plays a major role in aquatic systems. It affects biogeochemical processes, nutrient cycling, biological availability,chemical transport and interactions. It also has direct implications in the planning of wastewater treatment and drinking water treatment. Organic matter content is typically measured as total organic carbon and dissolved organic carbon, which are essential components of the carbon cycle.

More general information about Total Organic Carbon
Measurement of Total Organic Carbon
Factors affecting Total Organic Carbon
Standards regarding Total Organic Carbon
Interpretation of Boulder Creek Total Organic Carbon data
Data Source: USGS Aqueous Organic Carbon Study
Point of Contact: Larry Barber
Collection and Analysis notes
Analysis method: USGS

Monitoring site information:
BC-75 Map
BC-75 Photo
  • 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
Downstream Site: Boulder Creek above Dry Creek
Upstream Site: Boulder Creek above WW Plant

Plot Label Date TOC
mg/L
01 January, 1998 9.12
02 February, 1998 9.57
03 March, 1998 No Data
04 April, 1998 No Data
05 May, 1998 7.94
06 June, 1998 4.79
07 July, 1998 No Data
08 August, 1998 6.49
09 September, 1998 8.06
10 October, 1998 10.70
11 November, 1998 8.73
12 December, 1998 9.79
*value below detection limit:
Detection Limit (if available)  

Preliminary Data - subject to revision

Select on the parameter name to view all Total Organic Carbon time series plots on the basin map. Select on the table date to view stream Total Organic Carbon profiles observed on that date. Select here to view all parameters at this site.

Return to the BASIN water quality catalog

Return to the BASIN environmental data catalog


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