City of Boulder Storm Water Quality Program
Boulder Creek Watershed
Water Quality Data Time Series for 2001
Boulder Creek at Orodell
Preliminary Data - subject to revision
Temp Plot
DO Plot
SC Plot
pH Plot
TOC Plot
Flow Plot
Alk Plot
Hard Plot
NO3+NO2 Plot
NH3 Plot
TP Plot
OP_Dis Plot
FColi Plot
TSS Plot
TDS Plot
Turb Plot
NO2 Plot
DOpercent Plot
Marker Indicates no data available
Marker Indicates data exceeds plot scale.
Data Source: City of Boulder Storm Water Quality Program
Point of Contact: Jim Stout
Collection and Analysis notes
Monitoring site information:
BC-ORO Map
BC-ORO Photo
  • Location: Boulder Creek at Orodell
  • Name: BC-ORO
  • Type: Composite
  • Frequency: Monthly
  • Longitude: 105 ° W 19'
  • Latitude: 40 ° N 85'
  • Elevation: 5825 feet asl
  • Site photo
Downstream Site: Boulder Creek at Eben G. Fine Park
Upstream Site: North Boulder Creek at Boulder Falls
Plot Label Date Temp
° C		 DO
mg/L		 SC
µ mhos/cm		 pH
stnd units		 TOC
mg/L		 Flow
cfs		 Alk
mg/L as CaCO3		 Hard
mg/L as CaCO3		 NO3+NO2
mg/L as N		 NH3
mg/L as N		 TP
mg/L as P		 OP_Dis
mg/L as P		 FColi
#/100 mL		 TSS
mg/L		 TDS
mg/L		 Turb
NTU		 NO2
mg/L as N		 DO%
-
01 January, 2001 0.30 9.24 No Data 6.82 1.52 No Data 33.0 No Data 0.30 0.10 0.12 0.13 < 20* 1 94 No Data < 0.0* No Data
02 February, 2001 0.20 9.15 No Data 7.57 1.35 No Data 39.0 No Data 0.30 < 0.10* 0.03 0.03 < 20* < 1* 86 0.38 < 0.0* 77.80
03 March, 2001 2.40 11.18 No Data 8.00 1.70 No Data 29.0 No Data 0.20 < 0.10* 0.03 < 0.03* < 20* 1 92 1.82 < 0.0* 101.70
04 April, 2001 4.60 10.31 139 8.02 1.88 No Data 29.0 No Data 0.42 < 0.10* 0.07 < 0.03* 20 2 96 1.10 < 0.0* 99.90
05 May, 2001 6.80 10.44 104 8.37 5.10 No Data 32.0 No Data 0.20 < 0.10* 0.02* 0.07 < 20* 4 98 3.81 < 0.0* 103.90
06 June, 2001 11.10 12.55 16 7.38 3.18 No Data 13.0 No Data < 0.10* 0.10 0.06 0.00* 40 9 58 2.80 < 0.0* 139.20
07 July, 2001 15.40 8.60 27 7.65 2.47 No Data 12.0 No Data 0.30 < 0.10* 0.06 0.02* 110 9 16 2.49 0.0* 110.10
08 August, 2001 15.90 9.02 48 7.10 1.84 No Data 16.0 No Data 0.11 < 0.10* 0.02* 0.04 < 20* 5 52 1.65 < 0.0* 112.60
09 September, 2001 10.00 14.30 63 7.44 1.73 No Data 20.0 No Data < 0.10* 0.10 < 0.02* 0.05 < 20* 3 44 1.32 < 0.0* 159.80
10 October, 2001 9.90 7.77 72 7.38 1.95 No Data 23.0 No Data 0.11 < 0.10* < 0.02* 0.04 < 20* 1 58 No Data < 0.0* 88.60
11 November, 2001 3.50 10.20 75 7.32 2.45 No Data 21.0 No Data 0.30 < 0.10* 0.06 0.03 330 1 42 1.10 < 0.0* 101.00
12 December, 2001 No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data No Data
* indicates measured value below analysis detection limit listed below:
Lower Detection Limit 0.0  1.0NA    1.00.10.10.10.030.0320.0110.010.001 
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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