City of Boulder/USGS Water Quality Monitoring
Boulder Reservior Watershed
Boulder Reservoir and its Tributaries
for April, 1999
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:
Point of Contact:
Collection and Analysis notes
Indicated monitoring site:

The above map indicates water quality monitoring sites. To view data at a specific site select it from the map with the mouse.

Plot Label SiteName 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
DC Dry Creek 10.20 9.69 1650 7.76 3.12 0.26 272.0 959.0 0.19 No Data 0.02 0.00* 12 10 1006 10.30 No Data
BFCaBR Boulder Feeder Canal at Boulder Reservoir 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
BR_SDB Boulder Reservoir South Dam - Bottom 8.59 9.11 359 7.64 3.53 No Data 80.9 158.3 0.01 No Data 0.01 0.00* 0* No Data 219 8.22 No Data
BR_SDT Boulder Reservoir South Dam - Top 9.37 9.28 356 7.86 3.50 No Data 80.7 162.3 0.00* No Data 0.02 0.00* 0* No Data 217 7.43 No Data
BCSC Boulder Creek Supply Canal 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
LDC Little Dry Creek 4.03 8.99 2104 7.06 4.65 0.25 328.0 1407.0 0.00* No Data 0.03 0.00* 51 23 1283 14.80 No Data
UNK Unknown Ditch 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    1.00.10.010.010.00020.031.0110.010.001
Preliminary Data - subject to revision
Select on the parameter name to view more detailed information for that parameter in this month. Select on the site name to view data time series observed at that station. For monitoring site locations see site location map.

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