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

Howard Lake | ||||

HWL-05 | South end of lake @ private boat launch | Schoolcraft Township (33) |

Site Code: HWL-05, Howard 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) |

08/27/2003 | 09:30 | 32.3 | 79.5 | 7.8 | 98.6% | 8.36 | 0.392 | 0.3 | 8.3 |

07/16/2003 | 10:05 | 1.0 | 76.1 | 8.1 | 100.3% | 8.47 | 0.400 | 0.3 | 10.3 |

11/21/2002 | 09:00 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/07/2002 | 09:30 | 6.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/17/2002 | 09:30 | 5.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/03/2002 | 09:30 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/19/2002 | 10:00 | 40.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

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

08/22/2002 | 08:45 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/25/2002 | 10:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/11/2002 | 11:00 | 2.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/27/2002 | 07:45 | 119.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/13/2002 | 09:00 | 10.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/30/2002 | 10:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/22/2001 | 12:06 | 648.8 | 73.6 | N/A | N/A | N/A | N/A | N/A | N/A |

08/08/2001 | 12:43 | 920.8 | 88.4 | N/A | N/A | N/A | N/A | N/A | N/A |

07/25/2001 | 11:22 | 238.2 | 78.0 | N/A | N/A | N/A | N/A | N/A | N/A |

07/11/2001 | 11:16 | 4.1 | 75.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/27/2001 | 11:35 | 3.1 | 82.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/13/2001 | 10:53 | 1.0 | 79.0 | N/A | N/A | N/A | N/A | N/A | N/A |

05/31/2001 | 11:25 | 1.0 | 67.3 | N/A | N/A | N/A | N/A | N/A | N/A |

05/16/2001 | 12:00 | 24.3 | 68.9 | N/A | N/A | N/A | N/A | N/A | N/A |

05/02/2001 | 11:36 | 1.0 | 64.1 | N/A | N/A | N/A | N/A | N/A | N/A |

SummaryStatistics | Count | 23 | 11 | 2 | 2 | 2 | 2 | 2 | 2 |

Average | 90.1 | 75.6 | 7.9 | 99.5% | 8.42 | 0.396 | 0.3 | 9.3 | |

Minumum | 1.0 | 64.1 | 7.8 | 98.6% | 8.36 | 0.392 | 0.3 | 8.3 | |

Maximum | 920.8 | 88.4 | 8.1 | 100.3% | 8.47 | 0.400 | 0.3 | 10.3 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for HWL-05 (Howard Lake) between May 2001 and August 2003. This site is located in Section Number 33 of Schoolcraft Township, South end of lake @ private boat launch. | |||||||||

2 out of 23 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||

1 out of 23 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||

20 out of 23 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||