City of Boulder Storm Water Quality Program
Boulder Creek Watershed
Fecal Coliform Time Series for 2002
Boulder Creek at Eben G. Fine Park

Preliminary Data - subject to revision

Marker Indicates no data available
Marker Indicates data exceeds plot scale.

Information on Fecal Coliform:

Fecal Coliform Bacteria is found in the intestinal tracts of mammals. High concentrations of the bacteria in water or sludge suggest the presence of disease-causing organisms, and may be caused by septic tank failure, poor pasture and animal keeping practices, pet waste, and urban runoff.

To measure fecal coliform bacteria, water samples are collected in sterilized containers, filtered, and incubated at a certain temperature. The resulting bacterial colonies that form are counted and recorded as the number of colony producing units per 100 ml of water (CPU/100 ml). Safe drinking water should have fecal coliform counts of 0 CPU/100 ml. For safe swimming, concentrations less than 200 CPU/100 ml is desirable, and for boating, less than 1000 CPU/100 ml is desirable. However, these standards may vary at the local, state, and federal level.

More general information about Fecal Coliform
Measurement of Fecal Coliform
Factors affecting Fecal Coliform
Standards regarding Fecal Coliform
Interpretation of Boulder Creek Fecal Coliform data
Data Source: City of Boulder Storm Water Quality Program
Point of Contact: Jim Stout
Collection and Analysis notes
Analysis method: SM 9222D

Monitoring site information:
BC-EFP Photo
  • Location: Boulder Creek at Eben G. Fine Park
  • Name: BC-EFP
  • Type: Grab
  • Frequency: Periodic
  • Longitude: 105 ° W 18'
  • Latitude: 40 ° N 59'
  • Elevation: feet asl
  • Site photo

Plot Label Date FColi
#/100 mL
5-22-02 May 22, 2002 16*
5-28-02 May 28, 2002 20
6-4-02 June 4, 2002 90
7-2-02 July 2, 2002 910
7-9-02 July 9, 2002 400
7-16-02 July 16, 2002 150
7-22-02 July 22, 2002 170
7-30-02 July 30, 2002 40
8-7-02 August 7, 2002 360
8-13-02 August 13, 2002 103
8-27-02 August 27, 2002 290
*value below detection limit:
Detection Limit (if available) 20.0

Preliminary Data - subject to revision

Select on the parameter name to view all Fecal Coliform time series plots on the basin map. Select on the table date to view stream Fecal Coliform profiles observed on that date. Select here to view all parameters at this site.

Return to the BASIN water quality catalog

Return to the BASIN environmental data catalog

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