Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected from West Lake, which is part of the Portage River Sub-Watershed, which is part of the larger St. Joseph River Watershed. (see map to the right) Water sampling and measurements are conducted by Environmental Health Bureau staff. |

Gourdneck Canal at Gage #04097195 (State of Michigan Basin ID #: 34 50) | ||||

West Lake | ||||

WSL-05 | Boat ramp access @ Shady Lane and Lakeview Drive | City of Portage (27) |

Site Code: WSL-05, West Lake | |||||||||

Sample | Sample | E. coli Bacteria | Water Temperature | Dissolved Oxygen | pH | Conductivity | TDS | Turbidity | |
---|---|---|---|---|---|---|---|---|---|

Date | Time | (MPN) | (degrees F) | mg/L | % Saturation | (units) | (mS / cm) | (g / L) | (NTU) |

11/01/2005 | 13:30 | 32.3 | 50.1 | 10.4 | 94.5% | 8.47 | 0.435 | 0.3 | 5.9 |

09/20/2005 | 13:30 | 1.0 | 71.6 | 8.8 | 107.0% | 8.86 | 0.415 | 0.3 | 4.5 |

07/28/2005 | 14:50 | 5.2 | 81.0 | 7.4 | 96.0% | 8.55 | 0.391 | 0.3 | 5.3 |

05/19/2005 | 11:45 | 18.9 | 59.7 | 8.7 | 88.8% | 8.17 | 0.399 | 0.3 | 3.3 |

04/05/2005 | 13:40 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/03/2004 | 10:30 | 62.4 | 75.1 | 5.4 | 63.4% | 8.43 | 0.410 | 0.3 | 4.5 |

08/12/2004 | 14:15 | 75.4 | 70.1 | 7.7 | 88.7% | 8.60 | 0.370 | 0.2 | 5.6 |

06/02/2004 | 12:48 | 19.9 | 68.2 | 8.8 | 99.7% | 8.66 | 0.379 | 0.2 | 5.5 |

09/17/2003 | 14:34 | 9.7 | 72.3 | 8.6 | 100.9% | 9.03 | 0.419 | 0.3 | 4.8 |

08/13/2003 | 12:10 | 137.4 | 76.1 | 7.8 | 97.0% | 8.83 | 0.424 | 0.3 | 6.5 |

07/08/2003 | 11:49 | 26.2 | 81.8 | 7.7 | 100.7% | 8.63 | 0.435 | 0.3 | 8.2 |

06/10/2003 | 12:58 | 17.1 | 67.7 | 8.7 | 98.5% | 8.39 | 0.438 | 0.3 | 3.7 |

11/20/2002 | 12:10 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/06/2002 | 11:55 | 45.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/16/2002 | 12:05 | 28.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/02/2002 | 12:40 | 83.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/18/2002 | 12:30 | 365.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/04/2002 | 12:35 | 21.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/21/2002 | 13:30 | 31.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/07/2002 | 13:25 | 49.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/24/2002 | 13:00 | 17.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/10/2002 | 13:20 | 110.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/26/2002 | 11:30 | 2,419.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/12/2002 | 11:12 | 8.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/29/2002 | 10:50 | 24.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/21/2001 | 10:05 | 11.0 | 69.8 | N/A | N/A | N/A | N/A | N/A | N/A |

08/07/2001 | 10:17 | 7.4 | 80.5 | N/A | N/A | N/A | N/A | N/A | N/A |

07/24/2001 | 09:52 | 125.9 | 79.0 | N/A | N/A | N/A | N/A | N/A | N/A |

07/10/2001 | 11:05 | 7.4 | 78.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/26/2001 | 11:11 | 7.4 | 78.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/12/2001 | 11:15 | 12.0 | 72.0 | N/A | N/A | N/A | N/A | N/A | N/A |

05/30/2001 | 10:52 | 7.4 | 60.3 | N/A | N/A | N/A | N/A | N/A | N/A |

05/15/2001 | 11:11 | 16.1 | 63.4 | N/A | N/A | N/A | N/A | N/A | N/A |

05/01/2001 | 13:55 | 3.1 | 67.9 | N/A | N/A | N/A | N/A | N/A | N/A |

SummaryStatistics | Count | 34 | 20 | 11 | 11 | 11 | 11 | 11 | 11 |

Average | 112.1 | 71.1 | 8.2 | 94.1% | 8.60 | 0.410 | 0.3 | 5.3 | |

Minumum | 1.0 | 50.1 | 5.4 | 63.4% | 8.17 | 0.370 | 0.2 | 3.3 | |

Maximum | 2,419.2 | 81.8 | 10.4 | 107.0% | 9.03 | 0.438 | 0.3 | 8.2 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for WSL-05 (West Lake) between May 2001 and November 2005. This site is located in Section Number 27 of City of Portage, Boat ramp access @ Shady Lane and Lakeview Drive. | |||||||||

2 out of 34 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||

1 out of 34 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||

31 out of 34 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||