Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site DOR-40, Dorrance Creek in the Portage River at Gage #04097200 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 Gage #04097200 (State of Michigan Basin ID #: 34 47) | ||||

Dorrance Creek | ||||

DOR-40 | South side of East 'R' Avenue, between South 36th Street and South 38th Street | Climax Township (30) |

Site Code: DOR-40, Dorrance Creek | |||||||||

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) |

10/15/2009 | 12:35 | 261.3 | 41.7 | 14.6 | 115.5% | 8.42 | 0.607 | 0.4 | 14.5 |

06/30/2009 | 13:25 | 1,732.9 | 59.6 | 9.3 | 92.9% | 8.49 | 0.548 | 0.4 | 40.0 |

06/02/2009 | 11:05 | 1,203.3 | 50.7 | 11.6 | 103.8% | 8.30 | 0.573 | 0.4 | 23.9 |

05/07/2009 | 13:40 | 98.8 | 52.0 | 14.1 | 128.1% | 8.58 | 0.578 | 0.4 | 3.5 |

04/08/2009 | 13:15 | 44.1 | 44.9 | 7.6 | 62.8% | 8.28 | 0.489 | 0.3 | 5.0 |

03/05/2009 | 11:25 | 167.0 | 40.8 | 9.0 | 70.2% | 8.37 | 0.565 | 0.4 | 6.1 |

12/29/2008 | 10:20 | 435.2 | 36.9 | 13.1 | 97.0% | 7.98 | 0.513 | 0.3 | 11.0 |

10/29/2008 | 08:45 | 165.8 | 43.9 | 11.5 | 93.9% | 8.20 | 0.599 | 0.4 | 8.6 |

09/04/2008 | 09:00 | 2,419.6 | 63.8 | N/A | N/A | 7.80 | 0.616 | 0.4 | 16.3 |

07/09/2008 | 09:25 | 920.8 | 60.3 | 8.8 | 89.0% | 8.12 | 0.565 | 0.4 | 19.7 |

04/01/2008 | 10:54 | 488.4 | 45.3 | 9.7 | 80.6% | 7.73 | 0.420 | 0.3 | 38.4 |

03/04/2008 | 11:02 | 228.2 | 36.7 | 15.1 | 111.1% | 7.91 | 0.493 | 0.3 | 5.6 |

02/05/2008 | 11:09 | 224.7 | 41.6 | 12.6 | 97.0% | 7.98 | 0.550 | 0.4 | 8.7 |

01/07/2008 | 10:45 | 456.9 | 44.4 | 10.8 | 89.2% | 7.81 | 0.521 | 0.3 | 13.1 |

11/28/2007 | 10:20 | 71.2 | 35.7 | N/A | N/A | 8.11 | 0.654 | 0.4 | 4.4 |

08/29/2007 | 10:35 | 488.4 | 63.4 | 8.1 | 84.5% | 7.99 | 0.640 | 0.4 | 5.5 |

07/12/2007 | 09:15 | 1,553.1 | 59.6 | 8.1 | 81.5% | 8.12 | 0.630 | 0.4 | 10.7 |

05/29/2007 | 11:05 | 648.8 | 57.7 | 11.9 | 116.0% | 7.85 | 0.607 | 0.4 | 9.4 |

04/24/2007 | 12:30 | 108.6 | 55.0 | 11.0 | 103.9% | 8.43 | 0.609 | 0.4 | 4.5 |

01/11/2007 | 10:50 | 344.8 | 39.7 | 11.2 | 86.2% | 8.17 | 0.648 | 0.4 | 7.9 |

10/17/2006 | 11:20 | 1,986.3 | 51.1 | 7.9 | 70.9% | 7.70 | 0.614 | 0.4 | N/A |

09/07/2006 | 10:25 | 920.8 | 57.6 | 9.2 | 89.7% | 8.04 | 0.597 | 0.4 | 7.4 |

06/22/2006 | 11:10 | 1,299.7 | 62.1 | 8.1 | 83.7% | 7.83 | 0.590 | 0.4 | N/A |

04/18/2006 | 09:50 | 67.7 | 48.7 | 4.8 | 42.9% | 8.64 | 0.651 | 0.4 | 10.3 |

02/22/2006 | 13:15 | 66.3 | 40.3 | 9.7 | 77.2% | 8.28 | 0.675 | 0.4 | 4.8 |

10/26/2005 | 13:45 | 28.1 | 44.8 | 10.2 | 86.5% | 8.22 | 0.613 | 0.4 | 7.1 |

09/08/2005 | 11:45 | 1,119.9 | 62.6 | 7.9 | 83.3% | 8.04 | 0.592 | 0.4 | 13.5 |

07/13/2005 | 10:50 | 2,419.6 | 64.1 | 8.0 | 86.3% | 7.88 | 0.593 | 0.4 | 31.2 |

05/05/2005 | 11:50 | 111.2 | 49.8 | 12.0 | 108.6% | 7.94 | 0.614 | 0.4 | 7.3 |

03/31/2005 | 14:15 | 72.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

03/11/2005 | 13:30 | 25.9 | 41.6 | 10.8 | 87.6% | 7.81 | 0.626 | 0.4 | 6.2 |

10/19/2004 | 12:55 | 218.7 | 48.5 | 9.7 | 85.9% | 8.04 | 0.598 | 0.4 | 12.4 |

08/13/2004 | 13:00 | 193.5 | 59.8 | 9.0 | 92.2% | 7.95 | 0.569 | 0.4 | 17.3 |

07/09/2004 | 15:05 | 920.8 | 63.1 | 8.3 | 88.4% | 7.75 | 0.575 | 0.4 | 16.3 |

06/03/2004 | 14:05 | 248.1 | 57.3 | 8.8 | 87.9% | 7.74 | 0.587 | 0.4 | 12.5 |

05/13/2004 | 13:05 | 387.3 | 58.6 | 8.1 | 82.8% | 7.68 | 0.567 | 0.4 | 8.4 |

04/28/2004 | 10:56 | 38.4 | 45.3 | 12.4 | 106.3% | 8.19 | 0.593 | 0.4 | 3.9 |

04/07/2004 | 14:05 | 18.5 | 45.7 | 11.5 | 99.0% | 8.14 | 0.604 | 0.4 | 4.0 |

03/17/2004 | 12:57 | 19.9 | 38.2 | 11.9 | 92.4% | 7.98 | 0.612 | 0.4 | 6.7 |

02/25/2004 | 14:00 | 613.1 | 35.1 | 12.0 | 89.1% | 8.11 | 0.599 | 0.4 | 7.7 |

02/04/2004 | 13:50 | 24.3 | 35.1 | 13.0 | 96.6% | 8.10 | 0.616 | 0.4 | 24.2 |

01/14/2004 | 14:20 | 128.1 | 34.1 | 11.2 | 81.0% | 8.01 | 0.626 | 0.4 | 3.9 |

12/11/2003 | 12:40 | 261.3 | 40.7 | 12.6 | 101.2% | 8.07 | 0.606 | 0.4 | 5.6 |

11/19/2003 | 09:30 | 2,419.6 | 49.7 | 7.8 | 71.0% | 8.12 | 0.420 | 0.3 | 51.4 |

10/29/2003 | 13:50 | 648.8 | 44.9 | 10.6 | 89.7% | 8.85 | 0.586 | 0.4 | 4.1 |

10/02/2003 | 14:10 | 547.5 | 46.0 | 10.1 | 87.2% | 9.12 | 0.582 | 0.4 | 17.3 |

09/19/2003 | 11:10 | 387.3 | 59.1 | 7.6 | 77.2% | 8.30 | 0.560 | 0.4 | 10.2 |

09/04/2003 | 11:30 | 344.1 | 59.0 | 8.5 | 86.5% | 8.10 | 0.562 | 0.4 | 11.1 |

08/07/2003 | 14:05 | 1,203.3 | 65.0 | 9.1 | 99.4% | 8.27 | 0.572 | 0.4 | 11.7 |

07/24/2003 | 10:00 | 1,986.3 | 58.1 | 8.4 | 85.5% | 8.25 | 0.577 | 0.4 | 18.4 |

07/10/2003 | 13:20 | 1,203.3 | 63.7 | 8.2 | 88.6% | 8.12 | 0.586 | 0.4 | 18.5 |

06/26/2003 | 13:30 | 2,419.2 | 66.2 | 6.1 | 67.2% | 8.13 | 0.624 | 0.4 | 21.3 |

06/12/2003 | 13:18 | 1,553.1 | 58.1 | 7.9 | 80.6% | 8.02 | 0.580 | 0.4 | 63.1 |

05/29/2003 | 14:30 | 290.9 | 64.2 | 11.9 | 129.1% | 8.36 | 0.601 | 0.4 | 3.9 |

05/08/2003 | 14:07 | 1,203.3 | 53.0 | 9.6 | 91.3% | 7.92 | 0.627 | 0.4 | 9.4 |

03/20/2003 | 13:50 | 10.9 | 50.3 | 12.0 | 111.0% | 7.67 | 0.643 | 0.4 | N/A |

02/27/2003 | 14:00 | 16.1 | 32.2 | 15.5 | 110.7% | 8.28 | 0.574 | 0.4 | N/A |

02/20/2003 | 13:30 | 6.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

02/12/2003 | 11:05 | 28.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

02/06/2003 | 14:33 | 14.8 | 34.4 | 13.1 | 97.3% | 8.42 | 0.639 | 0.4 | N/A |

01/15/2003 | 13:30 | 16.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

01/08/2003 | 12:06 | 48.7 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/18/2002 | 09:00 | 866.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/12/2002 | 12:20 | 71.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

12/04/2002 | 13:00 | 57.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

11/13/2002 | 12:10 | 17.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/23/2002 | 11:30 | 76.7 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

10/09/2002 | 12:00 | 816.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/25/2002 | 12:05 | 1,119.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/11/2002 | 13:15 | 1,119.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/28/2002 | 12:45 | 343.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

08/14/2002 | 12:40 | 2,419.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/31/2002 | 12:46 | 1,986.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

07/17/2002 | 13:50 | 913.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/19/2002 | 12:20 | 913.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

06/05/2002 | 12:20 | 396.8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/22/2002 | 12:00 | 93.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/15/2002 | 12:58 | 78.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

09/26/2001 | 11:50 | 613.1 | 49.3 | N/A | N/A | N/A | N/A | N/A | N/A |

09/19/2001 | 12:00 | 1,553.1 | 58.8 | N/A | N/A | N/A | N/A | N/A | N/A |

08/30/2001 | 09:30 | 344.8 | 58.3 | N/A | N/A | N/A | N/A | N/A | N/A |

08/14/2001 | 11:38 | 866.4 | 59.0 | N/A | N/A | N/A | N/A | N/A | N/A |

08/01/2001 | 10:50 | 1,046.2 | 63.5 | N/A | N/A | N/A | N/A | N/A | N/A |

07/18/2001 | 11:13 | 172.0 | 61.3 | N/A | N/A | N/A | N/A | N/A | N/A |

07/03/2001 | 10:37 | 275.5 | 70.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/20/2001 | 11:35 | 307.6 | 63.0 | N/A | N/A | N/A | N/A | N/A | N/A |

06/06/2001 | 11:55 | 579.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |

05/23/2001 | 11:38 | 135.4 | 54.5 | N/A | N/A | N/A | N/A | N/A | N/A |

05/09/2001 | 12:43 | 95.9 | 62.3 | N/A | N/A | N/A | N/A | N/A | N/A |

SummaryStatistics | Count | 89 | 67 | 55 | 55 | 57 | 57 | 57 | 52 |

Average | 616.6 | 51.7 | 10.2 | 90.8% | 8.12 | 0.587 | 0.4 | 13.6 | |

Minumum | 6.3 | 32.2 | 4.8 | 42.9% | 7.67 | 0.420 | 0.3 | 3.5 | |

Maximum | 2,419.6 | 70.0 | 15.5 | 129.1% | 9.12 | 0.675 | 0.4 | 63.1 | |

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for DOR-40 (Dorrance Creek ) between May 2001 and October 2009. This site is located in Section Number 30 of Climax Township, South side of East 'R' Avenue, between South 36th Street and South 38th Street. | |||||||||

47 out of 89 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||

13 out of 89 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||

29 out of 89 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||