Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected from Barton 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. |

Portage Creek at Mouth S-River (State of Michigan Basin ID #: 34 52) | ||||

Barton Lake | ||||

BRL-05 | MDNR Public access boat launch site | Schoolcraft Township (27) |

Site Code: BRL-05, Barton 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) |

11/10/2005 | 11:00 | 1.0 | 51.6 | 7.2 | 67.0% | 8.13 | 0.490 | 0.3 | 3.9 |

09/27/2005 | 11:55 | 4.1 | 70.7 | 8.3 | 96.6% | 8.31 | 0.442 | 0.3 | 2.1 |

08/18/2005 | 11:45 | 6.3 | 79.2 | 8.4 | 106.2% | 8.77 | 0.398 | 0.3 | 10.2 |

06/17/2005 | 15:05 | 193.5 | 73.3 | 7.9 | 93.8% | 8.30 | 0.429 | 0.3 | 4.0 |

04/12/2005 | 13:20 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/08/2004 | 11:00 | 7.4 | 76.3 | 7.1 | 85.7% | 8.23 | 0.455 | 0.3 | 3.9 |

07/09/2004 | 09:30 | 119.8 | 75.1 | 7.9 | 96.1% | 8.27 | 0.410 | 0.3 | 3.6 |

05/21/2004 | 09:08 | 18.5 | 68.4 | 9.2 | 105.1% | 8.35 | 0.413 | 0.3 | 4.5 |

08/27/2003 | 09:00 | 133.4 | 80.2 | 8.8 | 112.5% | 8.69 | 0.352 | 0.2 | 14.3 |

07/16/2003 | 09:40 | 7.4 | 75.6 | 8.4 | 102.9% | 8.56 | 0.383 | 0.3 | 68.6 |

06/20/2003 | 12:25 | 13.4 | 75.7 | 8.8 | 108.7% | 8.51 | 0.422 | 0.3 | 8.6 |

11/21/2002 | 09:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/07/2002 | 09:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/17/2002 | 09:00 | 4.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/03/2002 | 09:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/19/2002 | 09:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/05/2002 | 09:00 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/22/2002 | 08:10 | 7.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/25/2002 | 09:00 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/11/2002 | 10:40 | 4.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/27/2002 | 08:20 | 19.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/13/2002 | 07:00 | 7.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/30/2002 | 09:00 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/02/2002 | 09:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/22/2001 | 11:53 | 146.7 | 71.3 | N/A | N/A | N/A | N/A | N/A | N/A |

08/08/2001 | 12:30 | 35.0 | 85.7 | N/A | N/A | N/A | N/A | N/A | N/A |

07/25/2001 | 11:08 | 62.7 | 78.1 | N/A | N/A | N/A | N/A | N/A | N/A |

07/11/2001 | 11:31 | 16.7 | 80.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/27/2001 | 11:21 | 21.6 | 82.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/13/2001 | 10:35 | 9.7 | 81.0 | N/A | N/A | N/A | N/A | N/A | N/A |

05/31/2001 | 11:05 | 8.5 | 65.2 | N/A | N/A | N/A | N/A | N/A | N/A |

05/16/2001 | 11:45 | 1,203.3 | 67.3 | N/A | N/A | N/A | N/A | N/A | N/A |

05/02/2001 | 11:20 | 4.1 | 66.1 | N/A | N/A | N/A | N/A | N/A | N/A |

SummaryStatistics | Count | 33 | 19 | 10 | 10 | 10 | 10 | 10 | 10 |

Average | 62.7 | 73.8 | 8.2 | 97.5% | 8.41 | 0.419 | 0.3 | 12.4 | |

Minumum | 1.0 | 51.6 | 7.1 | 67.0% | 8.13 | 0.352 | 0.2 | 2.1 | |

Maximum | 1,203.3 | 85.7 | 9.2 | 112.5% | 8.77 | 0.490 | 0.3 | 68.6 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for BRL-05 (Barton Lake) between May 2001 and November 2005. This site is located in Section Number 27 of Schoolcraft Township, MDNR Public access boat launch site. | |||||||||

1 out of 33 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||

3 out of 33 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||

29 out of 33 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||