Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site AUL-05, Austin Lake in the Gourdneck Creek above Sunset Lake Basin 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 Creek above Sunset Lake (State of Michigan Basin ID #: 34 51) | ||||

Austin Lake | ||||

AUL-05 | MDNR Public access boat launch site | City of Portage (26) |

Site Code: AUL-05, Austin 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 | 14:10 | 8.4 | 50.5 | 11.2 | 102.3% | 8.81 | 0.517 | 0.3 | 2.4 |

09/20/2005 | 13:55 | 1.0 | 70.6 | 8.6 | 99.6% | 8.77 | 0.474 | 0.3 | 0.4 |

07/28/2005 | 14:38 | 1.0 | 79.2 | 7.3 | 92.1% | 8.74 | 0.441 | 0.3 | 1.0 |

05/19/2005 | 09:45 | 10.9 | 60.0 | 8.9 | 91.6% | 8.14 | 0.526 | 0.3 | 3.8 |

04/05/2005 | 13:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/03/2004 | 10:50 | 5.2 | 75.6 | 5.2 | 62.3% | 8.50 | 0.462 | 0.3 | 0.5 |

08/12/2004 | 14:00 | 1.0 | 68.5 | 7.9 | 88.8% | 8.81 | 0.414 | 0.3 | 1.6 |

06/02/2004 | 12:20 | 6.3 | 68.3 | 8.5 | 96.4% | 8.36 | 0.437 | 0.3 | 2.1 |

09/17/2003 | 14:05 | 4.1 | 72.4 | 8.4 | 99.6% | 9.01 | 0.435 | 0.3 | 0.0 |

08/13/2003 | 11:55 | 24.6 | 75.6 | 7.4 | 91.1% | 8.56 | 0.461 | 0.3 | 1.9 |

07/08/2003 | 11:34 | 14.8 | 80.8 | 7.5 | 97.6% | 8.47 | 0.463 | 0.3 | 6.7 |

06/10/2003 | 12:43 | 5.2 | 68.4 | 9.5 | 108.7% | 8.31 | 0.484 | 0.3 | 1.8 |

11/20/2002 | 12:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/06/2002 | 12:10 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/16/2002 | 12:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/02/2002 | 13:00 | 12.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/18/2002 | 12:50 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/04/2002 | 13:00 | 6.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/21/2002 | 14:00 | 21.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/07/2002 | 13:40 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/24/2002 | 11:30 | 9.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/10/2002 | 13:50 | 101.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/26/2002 | 00:00 | 21.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/12/2002 | 11:30 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/29/2002 | 11:10 | 4.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/21/2001 | 10:15 | 4.1 | 68.8 | N/A | N/A | N/A | N/A | N/A | N/A |

08/07/2001 | 10:27 | 1.0 | 82.8 | N/A | N/A | N/A | N/A | N/A | N/A |

07/24/2001 | 10:05 | 56.3 | 80.5 | N/A | N/A | N/A | N/A | N/A | N/A |

07/10/2001 | 11:16 | 1.0 | 80.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/26/2001 | 11:25 | 6.3 | 80.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/12/2001 | 11:30 | 22.8 | 74.0 | N/A | N/A | N/A | N/A | N/A | N/A |

05/30/2001 | 11:03 | 8.6 | 64.8 | N/A | N/A | N/A | N/A | N/A | N/A |

05/15/2001 | 11:00 | 31.8 | 62.8 | N/A | N/A | N/A | N/A | N/A | N/A |

05/01/2001 | 11:36 | 2.0 | 66.1 | N/A | N/A | N/A | N/A | N/A | N/A |

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

Average | 11.8 | 71.5 | 8.2 | 93.6% | 8.59 | 0.465 | 0.3 | 2.0 | |

Minumum | 1.0 | 50.5 | 5.2 | 62.3% | 8.14 | 0.414 | 0.3 | 0.0 | |

Maximum | 101.0 | 82.8 | 11.2 | 108.7% | 9.01 | 0.526 | 0.3 | 6.7 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for AUL-05 (Austin Lake) between May 2001 and November 2005. This site is located in Section Number 26 of City of Portage, MDNR Public access boat launch site. | |||||||||

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

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

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