City of Boulder Storm Water Quality Program
Boulder Creek Watershed
Water Quality Data Time Series for 2002
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, 2002 12.80 7.62 660 6.96 11.30 No Data 87.0 No Data 13.00 7.50 2.13 2.52 < 20* 10 402 1.50 0.6 87.00
02 February, 2002 13.00 7.45 578 6.93 9.89 No Data 73.0 No Data 10.70 2.90 2.53 1.50 < 20* 9 392 2.65 0.3 84.20
03 March, 2002 14.30 No Data 153 7.26 11.00 No Data 106.0 No Data 10.10 11.90 3.08 3.24 20 7 434 3.17 0.5 No Data
04 April, 2002 15.70 8.86 635 7.09 10.00 No Data 74.0 No Data 12.50 5.50 3.09 2.75 130 8 412 No Data 0.6 108.20
05 May, 2002 15.20 9.37 94 7.35 No Data No Data 67.0 No Data 6.30 1.00 2.36 1.30 50 9 292 8.70 0.2 112.90
06 June, 2002 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
07 July, 2002 23.10 8.10 389 7.29 7.67 No Data 76.0 No Data 5.10 3.90 1.37 1.19 330 6 240 12.00 0.4 116.30
08 August, 2002 23.40 9.70 383 7.12 6.33 No Data 62.0 No Data 6.00 2.40 1.02 1.27 3500 7 308 No Data 0.2 148.40
09 September, 2002 20.70 9.69 429 6.91 No Data No Data 77.0 No Data 7.40 6.00 1.84 1.23 9400 13 284 13.00 0.5 131.20
10 October, 2002 19.60 6.88 489 7.19 No Data No Data 78.0 No Data 10.70 6.30 No Data 1.29 130 10 344 8.33 0.9 92.50
11 November, 2002 15.90 6.74 511 6.98 9.36 No Data 68.0 No Data 12.10 2.90 2.65 2.30 110 12 382 2.04 0.4 80.50
12 December, 2002 15.30 12.31 574 7.02 No Data No Data 97.0 No Data 13.50 8.20 2.79 2.47 < 20* 6 0* 8.65 0.5 149.60
* 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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