Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site DAV-20, Davis Creek in the Davis Creek at Mouth Basin of the Davis Creek Sub-Watershed, which is part of the larger Kalamazoo River Watershed. (see map to the right) Water sampling and measurements are conducted by Environmental Health Bureau staff. |
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| Davis Creek at Mouth (State of Michigan Basin ID #: 17 56) | ||||
| Davis Creek | ||||
| DAV-20 | South side of Monroe Avenue in Colonial Acres Mobile Home Park | City of Portage (1) | ||
| Site Code: DAV-20, Davis 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) |
| 06/24/2009 | 10:15 | 1,553.1 | 57.4 | N/A | N/A | 8.25 | 0.577 | 0.4 | 10.2 |
| 04/29/2009 | 09:40 | 131.4 | 48.4 | 9.6 | 83.3% | 8.02 | 0.519 | 0.3 | 5.9 |
| 03/11/2009 | 13:25 | 228.2 | 40.8 | 7.4 | 57.6% | 8.17 | 0.335 | 0.2 | 15.2 |
| 11/18/2008 | 13:12 | 95.9 | 37.9 | 10.8 | 80.9% | 7.99 | 0.628 | 0.4 | 3.6 |
| 09/24/2008 | 22:39 | 307.6 | 57.0 | 7.5 | 72.7% | 7.83 | 0.538 | 0.4 | 7.4 |
| 07/30/2008 | 09:17 | 2,419.6 | 63.1 | N/A | N/A | 7.75 | 0.606 | 0.4 | 11.2 |
| 06/04/2008 | 09:33 | 689.3 | 56.9 | N/A | N/A | 7.64 | 0.582 | 0.4 | 5.8 |
| 03/12/2008 | 13:27 | 110.6 | 40.1 | 11.2 | 86.7% | 7.93 | 0.540 | 0.4 | N/A |
| 01/14/2008 | 11:59 | 50.4 | 39.9 | 10.4 | 80.2% | 7.93 | 0.619 | 0.4 | 5.5 |
| 12/05/2007 | 10:35 | 83.3 | 37.3 | 8.9 | 66.2% | 8.01 | 0.730 | 0.5 | 3.4 |
| 08/16/2007 | 10:35 | 1,732.9 | 64.4 | 4.4 | 46.0% | 7.75 | 0.628 | 0.4 | 8.0 |
| 06/26/2007 | 10:15 | 1,986.3 | 62.1 | 11.0 | 113.1% | 7.67 | 0.595 | 0.4 | 6.3 |
| 05/22/2007 | 10:35 | 980.4 | 55.6 | 9.7 | 92.3% | 7.73 | 0.588 | 0.4 | 3.7 |
| 04/12/2007 | 11:35 | 816.4 | 39.8 | 10.2 | 79.1% | 7.98 | 0.479 | 0.3 | 9.4 |
| 03/13/2007 | 11:55 | 50.4 | 42.7 | 8.4 | 67.1% | 8.03 | 0.545 | 0.4 | 4.6 |
| 12/27/2006 | 10:45 | 59.1 | 39.8 | 9.8 | 75.2% | 8.06 | 0.637 | 0.4 | 8.9 |
| 10/19/2006 | 09:25 | 307.6 | 53.6 | 5.7 | 52.8% | 7.68 | 0.675 | 0.4 | N/A |
| 09/19/2006 | 11:00 | 2,419.6 | 58.7 | 4.9 | 48.3% | 7.67 | 0.626 | 0.4 | N/A |
| 07/18/2006 | 09:15 | 2,419.6 | 69.0 | 4.1 | 45.8% | 7.61 | 0.253 | 0.2 | N/A |
| 05/23/2006 | 10:25 | 365.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 04/11/2006 | 08:55 | 613.1 | 46.7 | 4.5 | 39.4% | 8.27 | 0.640 | 0.4 | 10.6 |
| 01/26/2006 | 11:15 | 34.5 | 35.4 | 11.1 | 81.7% | 7.99 | 0.762 | 0.5 | 5.0 |
| 11/22/2005 | 12:10 | 44.6 | 40.5 | 6.3 | 51.6% | 7.78 | 0.689 | 0.4 | 9.9 |
| 10/13/2005 | 08:30 | 235.9 | 55.5 | 5.4 | 52.1% | 7.81 | 0.647 | 0.4 | 9.8 |
| 09/13/2005 | 13:05 | 866.4 | 64.6 | 5.5 | 59.5% | 7.56 | 0.626 | 0.4 | 6.7 |
| 07/21/2005 | 13:20 | 1,986.3 | 69.5 | 5.0 | 57.5% | 7.55 | 0.461 | 0.3 | 7.5 |
| 05/26/2005 | 12:10 | 517.2 | 53.7 | 7.4 | 70.5% | 7.65 | 0.601 | 0.4 | 4.7 |
| 04/19/2005 | 11:00 | 114.5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 04/14/2005 | 11:10 | 68.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 03/22/2005 | 12:00 | 73.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 02/24/2005 | 12:55 | 27.9 | 37.6 | 10.0 | 76.8% | 7.62 | 0.512 | 0.3 | 9.1 |
| 12/16/2004 | 11:25 | 28.2 | 35.4 | 10.5 | 77.4% | 7.57 | 0.628 | 0.4 | 6.9 |
| 10/27/2004 | 11:25 | 574.8 | 52.5 | 5.6 | 52.8% | 7.43 | 0.647 | 0.4 | 4.9 |
| Summary Statistics | Count | 33 | 29 | 26 | 26 | 29 | 29 | 29 | 25 |
| Average | 666.4 | 50.2 | 7.9 | 67.9% | 7.83 | 0.583 | 0.4 | 7.4 | |
| Minumum | 27.9 | 35.4 | 4.1 | 39.4% | 7.43 | 0.253 | 0.2 | 3.4 | |
| Maximum | 2,419.6 | 69.5 | 11.2 | 113.1% | 8.27 | 0.762 | 0.5 | 15.2 | |
| Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for DAV-20 (Davis Creek) between October 2004 and June 2009. This site is located in Section Number 1 of City of Portage, South side of Monroe Avenue in Colonial Acres Mobile Home Park. | |||||||||
| 17 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. | |||||||||
| 13 out of 33 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||