BASIN-USGS-COB Boulder Creek Millenium Baseline
Boulder Creek Watershed
Water Quality Data Data for 2000 - North Boulder Creek diversion to Lakewood

Preliminary Data - subject to revision


Data Source: BASIN-USGS-COB Boulder Creek Millenium Baseline
Point of Contact: Sheila Murphy

Monitoring site information:
NBC-Lw Map
  • Location: North Boulder Creek diversion to Lakewood
  • Name: NBC-Lw
  • Type: Composite
  • Frequency: SemiAnnual
  • Longitude: 105 ° W 30'
  • Latitude: 39 ° N 59'
  • Elevation: 8240 feet asl
  • Site photo
Downstream Site: Middle Boulder Creek at PSCo Weir
Upstream Site: North Boulder Creek at Boulder Falls

Parameter Units High Flow Value Lower Detection LimitRange Ceiling
Water Temperature° C 10.50 0.0 
Dissolved Oxygenmg/L 8.65   15
Dissolved Oxygen % of Saturation- No Data   200
Specific Conductanceµ mhos/cm 25 1.01000
pHstnd units 7.56 NA 
Total Organic Carbonmg/L 2.33    
Stream Flowcfs 59.23    
Total Alkalinitymg/L as CaCO3 6.9 1.0120
Total Hardnessmg/L as CaCO3 9.4 0.1 
Nitritemg/L as N No Data 0.0011.2
Nitratemg/L as N 0.0* 0.0015.0
Nitratemg/L as N No Data 0.0015.0
Nitrate + Nitritemg/L as N < 0.01* 0.120.0
Ammoniamg/L as N No Data 0.12.5
Total Phosphatemg/L as P 0.01* 0.036.0
Fecal Coliform#/100 mL 2 1.0150
Total Suspended Solidsmg/L 5 1100
Total Dissolved Solidsmg/L No Data 1660
TurbidityNTU 1.57 0.0160
* indicates measured value below analysis detection limit listed in forth column:
* indicates measured value exceeds plot scale range listed in fifth column:

Preliminary Data - subject to revision

Select on the parameter name to view more detailed information on that parameter at this station. Select on the table date to view stream data profiles observed on that date.

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Last Page Update - Tuesday December 27, 2005