City of Boulder Storm Water Quality Program
Boulder Creek Watershed
Water Quality Data Time Series for 2001
Boulder Creek at 75th St

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-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 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 10.60 8.77 No Data 7.42 9.07 No Data 125.0 No Data 4.90 11.40 2.18 1.62 20 6 354 No Data 0.3 No Data
02 February, 2001 11.10 7.79 No Data 7.35 9.35 No Data 124.0 No Data 7.50 10.40 0.87 0.96 80 29 380 2.40 0.3 87.20
03 March, 2001 13.90 8.09 No Data 7.40 10.80 No Data 163.0 No Data 4.40 16.50 3.16 2.36 20 6 430 2.91 0.4 94.10
04 April, 2001 14.40 8.73 658 7.42 9.45 No Data 98.0 No Data 10.90 6.60 2.33 2.36 110 9 400 3.90 0.8 105.40
05 May, 2001 13.60 10.57 476 7.63 7.93 No Data 110.0 No Data 5.10 2.90 0.91 0.91 230 11 358 4.10 0.4 118.30
06 June, 2001 16.20 8.15 247 7.21 5.61 No Data 51.0 No Data 4.30 1.70 0.77 0.73 460 9 200 No Data 0.2 102.50
07 July, 2001 20.70 8.72 841 7.26 5.75 No Data 62.0 No Data 4.40 1.90 0.83 0.84 460 13 178 2.58 0.2 114.20
08 August, 2001 22.40 7.66 453 7.25 5.70 No Data 87.0 No Data 5.99 3.80 1.32 1.07 260 11 302 12.60 0.4 106.10
09 September, 2001 20.50 10.88 545 7.21 6.01 No Data 95.0 No Data 8.70 5.10 1.81 1.76 50 4 346 2.93 0.6 145.90
10 October, 2001 19.70 6.74 590 7.46 8.74 No Data 103.0 No Data 8.27 7.80 2.22 1.39 80 4 362 No Data 0.6 90.30
11 November, 2001 16.20 8.38 561 7.00 8.73 No Data 78.0 No Data 9.60 1.90 2.36 2.91 90 9 370 4.20 0.3 108.40
12 December, 2001 13.60 9.04 582 7.06 9.15 No Data 85.0 No Data 11.80 7.40 4.22 2.76 130 10 354 2.11 0.6 107.10
* 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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