City of Boulder Drinking Water Quality Program
Boulder Creek Watershed
Water Quality Data Time Series for 1998
Dry Creek
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
Marker Indicates no data available
Marker Indicates data exceeds plot scale.
Data Source: City of Boulder Drinking Water Quality Program
Point of Contact: Jim Shelley
Collection and Analysis notes
Monitoring site information:
DC Map
  • Location: Dry Creek
  • Name: DC
  • Type: Composite
  • Frequency: Monthly
  • Longitude: 105 ° W 14'
  • Latitude: 40 ° N 52'
  • Elevation: feet asl
  • Site photo
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
01 January, 1998 2.40 11.71 1651 7.99 2.33 0.30 306.0 864.0 0.68 0.00* 0.02 0.00* 4 16 1007 14.30 No Data
02 February, 1998 3.70 No Data 1610 8.16 2.44 0.19 307.0 858.0 0.56 0.07 0.04 0.00* 5 46 982 40.00 No Data
03 March, 1998 5.60 11.00 1569 8.30 2.54 0.19 289.0 846.0 0.36 0.00* 0.02 0.00* 0* 9 957 8.10 No Data
04 April, 1998 8.90 10.70 1584 8.27 4.48 1.05 277.0 804.0 0.44 0.02 0.03 0.00* 70 19 966 18.00 No Data
05 May, 1998 15.00 8.20 1045 8.30 4.27 1.93 227.0 498.0 0.20 0.00* 0.02 0.00* 50 19 637 15.30 No Data
06 June, 1998 16.00 7.50 861 8.30 4.65 1.50 209.0 398.0 0.17 0.00* 0.03 0.00* 220 18 525 18.20 No Data
07 July, 1998 20.70 7.30 1107 8.30 3.40 0.61 248.2 540.0 0.18 0.00* 0.04 0.00* 230 22 675 20.00 No Data
08 August, 1998 20.28 6.79 617 7.91 3.27 1.64 139.2 326.0 0.17 0.05 0.07 0.01* 140 10 376 33.80 No Data
09 September, 1998 21.62 8.48 1238 8.13 2.90 0.34 261.0 586.0 0.40 0.00* 0.02 0.00* 90 22 755 20.00 No Data
10 October, 1998 10.23 10.43 1443 8.17 3.30 0.34 268.0 721.0 0.56 0.09 No Data 0.00* 190 14 880 0.57 No Data
11 November, 1998 7.03 11.70 1490 7.98 2.35 0.34 294.0 734.0 0.58 No Data 0.01 0.00* 70 14 909 9.71 No Data
12 December, 1998 5.48 8.07 1594 8.02 2.46 0.30 290.5 828.0 0.74 0.00* 0.00* 0.00* 0* 6 972 9.60 No Data
* indicates measured value below analysis detection limit listed below:
Lower Detection Limit 0.0  1.0NA    1.00.10.010.010.00020.031.0110.010.001
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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