BASIN-USGS-COB Boulder Creek Millenium Baseline
Boulder Creek Watershed
Nitrate Data for 2000 - Boulder Creek at 107th St
Preliminary Data - subject to revision
Information on Nitrate:

More general information about Nitrate
Factors affecting Nitrate
Standards regarding Nitrate
Interpretation of Boulder Creek Nitrate data
Data Source: USGS Aqueous Organic Carbon Study
Point of Contact: Larry Barber
Collection and Analysis notes
Monitoring site information:
BC-107 Map
  • Location: Boulder Creek at 107th St
  • Name: BC-107
  • Type: Composite
  • Frequency: SemiAnnual
  • Longitude: 105 ° W 61'
  • Latitude: 40 ° N 35'
  • Elevation: 5010 feet asl
  • Site photo
Downstream Site: Boulder Creek at 95th St
Upstream Site: Boulder Creek Above Coal Creek
Date NO3-USGS
mg/L as N
June, 2000 1.8
October, 2000 0.5
*value below detection limit:
Detection Limit (if available) 0.001
Preliminary Data - subject to revision
Select on the parameter name to view all Nitrate time series plots on the basin map. Select on the table date to view stream Nitrate 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