Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site POR-25, Portage River in the Portage River at Indian 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. |

Portage River at Indian Lake (State of Michigan Basin ID #: 34 46) | ||||

Portage River | ||||

POR-25 | East side of South 36th Street, between East 'O' Avenue and East 'OP' Avenue | Climax Township (7) |

Site Code: POR-25, Portage River | |||||||||

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) |

10/21/2009 | 13:50 | N/A | 49.8 | 13.7 | 121.0% | 8.45 | 0.529 | 0.3 | 1.3 |

06/30/2009 | 12:10 | 105.0 | 66.7 | N/A | N/A | 8.13 | 0.522 | 0.3 | 2.0 |

05/05/2009 | 12:45 | 9.5 | N/A | N/A | N/A | N/A | N/A | N/A | 3.5 |

12/29/2008 | 11:55 | 686.7 | 33.3 | 15.2 | 106.3% | 8.11 | 0.391 | 0.3 | 3.5 |

10/29/2008 | 10:20 | 33.1 | 41.5 | 12.5 | 98.5% | 7.54 | 0.511 | 0.3 | 1.8 |

09/18/2008 | 08:20 | 60.2 | 62.6 | 7.2 | 74.0% | 7.77 | 0.335 | 0.2 | 2.2 |

07/09/2008 | 11:00 | 74.3 | 73.3 | 7.2 | 83.0% | 7.91 | 0.420 | 0.3 | 0.9 |

04/29/2008 | 11:15 | 7.5 | 57.2 | 10.6 | 102.6% | 8.54 | 0.495 | 0.3 | 2.2 |

04/01/2008 | 11:51 | 28.8 | 47.2 | 10.1 | 86.6% | 7.93 | 0.428 | 0.3 | 2.0 |

03/04/2008 | 11:54 | 25.6 | 37.5 | 14.8 | 109.9% | 8.02 | 0.499 | 0.3 | 1.9 |

02/05/2008 | 12:16 | 21.6 | 35.1 | 12.7 | 91.0% | 8.00 | 0.510 | 0.3 | 2.3 |

01/07/2008 | 00:30 | 52.0 | 37.0 | 12.2 | 90.0% | 8.01 | 0.538 | 0.4 | 4.0 |

08/30/2007 | 12:35 | 62.0 | 72.8 | 5.8 | 67.6% | 7.78 | 0.473 | 0.3 | 1.1 |

07/12/2007 | 08:10 | 61.7 | 66.0 | 2.8 | 29.9% | 7.71 | 0.529 | 0.3 | 1.6 |

05/29/2007 | 09:30 | 218.7 | 75.4 | 9.1 | 108.9% | 7.89 | 0.456 | 0.3 | 1.6 |

04/24/2007 | 10:00 | 5.2 | 62.0 | 7.8 | 80.6% | 8.21 | 0.480 | 0.3 | 2.7 |

01/11/2007 | 09:05 | 2.0 | 33.6 | 14.2 | 99.4% | 8.49 | 0.435 | 0.3 | 2.1 |

10/17/2006 | 09:35 | 686.7 | 48.1 | 9.1 | 78.5% | 7.86 | 0.484 | 0.3 | N/A |

09/07/2006 | 08:35 | 70.3 | 61.3 | 5.4 | 54.9% | 7.57 | 0.538 | 0.4 | 1.0 |

06/22/2006 | 09:00 | 163.1 | 72.5 | 7.4 | 85.5% | 7.79 | 0.472 | 0.3 | N/A |

04/18/2006 | 08:35 | 52.7 | 55.5 | 3.8 | 36.9% | 8.38 | 0.506 | 0.3 | 7.0 |

03/16/2006 | 07:50 | 14.8 | 41.7 | 6.8 | 54.9% | 8.65 | 0.425 | 0.3 | 9.5 |

11/17/2005 | 11:30 | 20.1 | 37.9 | 10.7 | 82.9% | 8.27 | 0.555 | 0.4 | 6.7 |

10/11/2005 | 14:10 | 110.0 | 55.6 | 7.9 | 80.0% | 7.87 | 0.535 | 0.3 | 2.8 |

09/01/2005 | 09:10 | 224.7 | 65.0 | 3.5 | 36.8% | 7.67 | 0.548 | 0.4 | 1.6 |

07/14/2005 | 09:45 | 102.2 | 76.0 | 5.9 | 72.4% | 7.70 | 0.472 | 0.3 | 0.4 |

05/12/2005 | 08:30 | 115.3 | 60.5 | 7.2 | 74.4% | 7.73 | 0.496 | 0.3 | 2.6 |

03/31/2005 | 15:15 | 284.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

03/03/2005 | 12:15 | 4.1 | 36.6 | 11.1 | 83.8% | 7.67 | 0.535 | 0.3 | 7.9 |

10/19/2004 | 13:45 | 54.6 | 46.7 | 9.5 | 81.7% | 7.84 | 0.500 | 0.3 | 1.9 |

08/13/2004 | 13:24 | 78.9 | 67.6 | 8.6 | 96.6% | 7.71 | 0.484 | 0.3 | 1.3 |

07/09/2004 | 14:31 | 46.4 | 74.7 | 7.4 | 89.8% | 7.62 | 0.448 | 0.3 | 0.9 |

06/03/2004 | 13:10 | 38.4 | 69.2 | 8.8 | 101.4% | 7.98 | 0.422 | 0.3 | 1.0 |

05/13/2004 | 13:30 | 79.8 | 72.8 | 7.1 | 73.6% | 7.68 | 0.314 | 0.2 | 4.0 |

04/07/2004 | 13:34 | 1.0 | 50.1 | 10.6 | 96.4% | 8.16 | 0.436 | 0.3 | 6.8 |

03/17/2004 | 14:50 | 1.0 | 40.2 | 11.7 | 93.3% | 8.06 | 0.438 | 0.3 | 8.2 |

02/25/2004 | 13:00 | 8.5 | 36.5 | 9.9 | 74.7% | 8.03 | 0.528 | 0.3 | 8.3 |

02/04/2004 | 12:55 | 1.0 | 34.9 | 10.6 | 78.3% | 7.67 | 0.576 | 0.4 | 13.3 |

01/14/2004 | 14:00 | 5.1 | 33.9 | 10.2 | 73.6% | 7.81 | 0.532 | 0.3 | 6.3 |

12/11/2003 | 13:02 | 37.3 | 36.0 | 15.9 | 119.4% | 8.10 | 0.467 | 0.3 | 1.7 |

11/19/2003 | 09:45 | 27.2 | 46.3 | 10.5 | 91.6% | 8.39 | 0.455 | 0.3 | 1.5 |

10/29/2003 | 13:20 | 54.7 | 44.8 | 11.5 | 94.5% | 8.87 | 0.486 | 0.3 | 3.6 |

10/08/2003 | 14:47 | 307.6 | 57.5 | 8.5 | 84.5% | 8.24 | 0.455 | 0.3 | 0.7 |

09/19/2003 | 11:48 | 547.5 | 65.9 | 6.2 | 68.5% | 8.07 | 0.483 | 0.3 | 1.7 |

08/07/2003 | 11:40 | 435.2 | 75.5 | 9.6 | 117.8% | 8.19 | 0.449 | 0.3 | 10.7 |

07/24/2003 | 10:25 | 579.4 | 68.2 | 5.1 | 58.3% | 7.98 | 0.455 | 0.3 | 3.2 |

07/10/2003 | 12:03 | 272.3 | 77.1 | 7.9 | 98.3% | 8.08 | 0.421 | 0.3 | 1.5 |

06/26/2003 | 12:20 | 325.5 | 75.2 | 5.4 | 65.1% | 7.87 | 0.435 | 0.3 | 0.5 |

06/12/2003 | 12:40 | 206.3 | 68.7 | 8.7 | 100.2% | 8.08 | 0.434 | 0.3 | 2.4 |

05/29/2003 | 13:36 | 67.7 | 70.5 | 12.7 | 147.0% | 8.22 | 0.438 | 0.3 | 1.7 |

05/09/2003 | 12:04 | 98.4 | 63.1 | 8.3 | 89.1% | 7.85 | 0.457 | 0.3 | 2.0 |

03/19/2003 | 10:40 | 32.8 | 39.9 | 11.6 | 93.0% | 7.36 | 0.391 | 0.3 | N/A |

02/20/2003 | 15:30 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

02/12/2003 | 11:40 | 5.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

01/22/2003 | 13:25 | 5.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

01/15/2003 | 14:05 | 12.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

01/08/2003 | 13:50 | 14.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/18/2002 | 09:30 | 77.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/12/2002 | 14:00 | 7.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/04/2002 | 15:00 | 8.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/13/2002 | 10:50 | 16.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/23/2002 | 14:10 | 34.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/09/2002 | 13:45 | 62.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/25/2002 | 13:20 | 52.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/11/2002 | 14:40 | 316.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/28/2002 | 14:20 | 93.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/14/2002 | 14:10 | 1,986.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/31/2002 | 14:30 | 152.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/17/2002 | 15:15 | 461.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/19/2002 | 12:40 | 124.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/05/2002 | 14:00 | 52.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/22/2002 | 13:28 | 6.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/01/2002 | 14:50 | 13.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/26/2001 | 09:33 | 214.2 | 50.0 | N/A | N/A | N/A | N/A | N/A | N/A |

09/19/2001 | 09:27 | 325.5 | 61.2 | N/A | N/A | N/A | N/A | N/A | N/A |

08/30/2001 | 09:17 | 73.8 | 66.4 | N/A | N/A | N/A | N/A | N/A | N/A |

08/14/2001 | 09:35 | 93.3 | 64.5 | N/A | N/A | N/A | N/A | N/A | N/A |

08/01/2001 | 09:32 | 461.1 | 73.3 | N/A | N/A | N/A | N/A | N/A | N/A |

07/18/2001 | 13:00 | 307.6 | 76.5 | N/A | N/A | N/A | N/A | N/A | N/A |

07/03/2001 | 09:27 | 261.3 | 67.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/20/2001 | 12:15 | 98.5 | 64.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/06/2001 | 13:03 | 48.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/23/2001 | 12:20 | 248.1 | 69.7 | N/A | N/A | N/A | N/A | N/A | N/A |

05/09/2001 | 12:27 | 64.4 | 69.7 | N/A | N/A | N/A | N/A | N/A | N/A |

SummaryStatistics | Count | 83 | 60 | 49 | 49 | 50 | 50 | 50 | 48 |

Average | 148.3 | 57.3 | 9.2 | 85.2% | 7.99 | 0.472 | 0.3 | 3.3 | |

Minumum | 1.0 | 33.3 | 2.8 | 29.9% | 7.36 | 0.314 | 0.2 | 0.4 | |

Maximum | 1,986.3 | 77.1 | 15.9 | 147.0% | 8.87 | 0.576 | 0.4 | 13.3 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for POR-25 (Portage River) between May 2001 and October 2009. This site is located in Section Number 7 of Climax Township, East side of South 36th Street, between East 'O' Avenue and East 'OP' Avenue. | |||||||||

13 out of 83 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||

10 out of 83 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||

60 out of 83 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||