BASIN-USGS-COB Boulder Creek Millenium Baseline
Boulder Creek Watershed
Nitrate + Nitrite Data for 2000 - Middle Boulder Creek Above North Boulder Creek Confluence
Preliminary Data - subject to revision
Information on Nitrate + Nitrite:

More general information about Nitrate + Nitrite
Factors affecting Nitrate + Nitrite
Standards regarding Nitrate + Nitrite
Interpretation of Boulder Creek Nitrate + Nitrite data
Data Source:
Point of Contact:
Collection and Analysis notes
Monitoring site information:
BC-aNBC Map
  • Location: Middle Boulder Creek Above North Boulder Creek Confluence
  • Name: BC-aNBC
  • Type: Composite
  • Frequency: SemiAnnual
  • Longitude: 105 ° W 24'
  • Latitude: 40 ° N 20'
  • Elevation: 6880 feet asl
  • Site photo
Downstream Site: North Boulder Creek at Boulder Falls
Upstream Site: Boulder Creek at Orodell
Date NO3+NO2-COB
mg/L as N
June, 2000 No Data
October, 2000 < 0.10*
*value below detection limit:
Detection Limit (if available) 0.1
Preliminary Data - subject to revision
Select on the parameter name to view all Nitrate + Nitrite time series plots on the basin map. Select on the table date to view stream Nitrate + Nitrite profiles observed on that date. Select here to view all parameters at this site.

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Last Page Update - Tuesday December 27, 2005