City of Boulder Drinking Water Quality Program
Boulder Creek Watershed
Water Quality Data Time Series for 1998
Little 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:
LDC Map
  • Location: Little Dry Creek
  • Name: LDC
  • Type: Composite
  • Frequency: Monthly
  • Longitude: 105 ° W 14'
  • Latitude: 40 ° N 45'
  • 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 0.00 8.73 1842 7.74 3.76 0.61 332.0 1073.0 0.04 0.00* 0.02 0.00* 14 43 1124 24.00 No Data
02 February, 1998 0.16 No Data 1909 7.90 3.54 0.43 350.0 1160.0 0.04 0.09 0.01 0.00* 2 8 1164 5.10 No Data
03 March, 1998 0.40 8.60 1874 7.88 3.61 0.32 296.0 1147.0 0.02 0.00* 0.01 0.00* 4 10 1143 5.30 No Data
04 April, 1998 9.90 10.30 2400 8.20 7.89 2.22 265.0 1406.0 0.00* 0.00* 0.03 0.01* 57 7 1464 2.10 No Data
05 May, 1998 17.00 6.60 2140 8.00 6.57 0.32 318.0 1305.0 0.00* 0.00* 0.01 0.00* 40 4 1305 1.65 No Data
06 June, 1998 12.80 6.80 1655 8.00 6.77 0.35 303.0 951.0 0.01 0.00* 0.01 0.00* 30 1 1010 0.78 No Data
07 July, 1998 19.40 6.10 629 8.10 6.80 2.17 235.7 329.0 0.00* 0.00* 0.01 0.00* 50 2 384 1.05 No Data
08 August, 1998 17.60 6.57 729 7.80 7.42 1.98 253.8 387.0 0.00* 0.00* 0.01 0.00* 60 0* 445 1.02 No Data
09 September, 1998 16.80 6.97 1002 7.75 7.16 0.37 348.0 534.0 0.00* 0.00* 0.02 0.00* 860 6 611 1.90 No Data
10 October, 1998 7.02 9.49 1170 7.72 5.27 0.48 244.0 604.0 0.01 0.04 No Data 0.00* 67 2 714 0.08 No Data
11 November, 1998 5.12 11.08 1502 7.72 5.49 0.81 323.0 838.0 0.00* 0.00* 0.01 0.00* 36 1 916 0.66 No Data
12 December, 1998 2.07 8.39 1807 7.60 4.30 0.46 388.0 978.5 0.01 0.00* 0.00* 0.00* 7 0* 1102 0.54 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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