Environmental Health Division
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site GOU-25, Gourdneck Creek in the Gourdneck Creek above Sunset 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 Division staff. |
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| Gourdneck Creek above Sunset Lake (State of Michigan Basin ID #: 34 51) | ||||
| Gourdneck Creek | ||||
| GOU-25 | West side of Portage Road, south of Mandigo Avenue | Schoolcraft Township (3) | ||
| Site Code: GOU-25, Gourdneck 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) |
| 06/02/2009 | 09:10 | 186.0 | N/A | N/A | N/A | N/A | N/A | N/A | 1.7 |
| 04/09/2009 | 13:35 | 1.0 | 48.5 | 6.9 | 59.5% | 8.69 | 0.410 | 0.3 | 1.2 |
| 11/25/2008 | 11:10 | 24.6 | 40.3 | 9.9 | 76.9% | 8.52 | 0.401 | 0.3 | 1.3 |
| 09/30/2008 | 11:35 | 45.7 | 66.7 | 5.6 | 60.8% | 8.16 | 0.363 | 0.2 | 1.9 |
| 08/05/2008 | 10:50 | 65.7 | 77.8 | 4.4 | 53.9% | 8.03 | 0.385 | 0.3 | 2.2 |
| 06/12/2008 | 13:20 | 98.8 | 75.9 | 8.3 | 98.8% | 8.20 | 0.417 | 0.3 | 1.8 |
| 03/20/2008 | 09:50 | 11.0 | 38.9 | 11.0 | 83.9% | 8.16 | 0.407 | 0.3 | 1.1 |
| 03/05/2008 | 08:20 | 3.1 | 34.8 | 12.5 | 89.6% | 8.08 | 0.432 | 0.3 | 1.5 |
| 04/03/2007 | 10:50 | 18.7 | 50.4 | 8.8 | 78.6% | 8.25 | 0.438 | 0.3 | 1.0 |
| 01/09/2007 | 12:45 | 7.4 | 37.9 | 12.4 | 93.2% | 8.53 | 0.416 | 0.3 | 1.1 |
| 10/31/2006 | 10:10 | 3.1 | 49.8 | 8.0 | 71.0% | 7.95 | 0.422 | 0.3 | 0.7 |
| 05/16/2006 | 08:40 | 110.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 04/06/2006 | 11:30 | 15.3 | 47.2 | 5.4 | 47.3% | 8.72 | 0.442 | 0.3 | 6.0 |
| 01/10/2006 | 12:10 | 6.3 | 37.0 | 10.0 | 76.1% | 8.10 | 0.460 | 0.3 | 3.4 |
| 11/01/2005 | 12:10 | 65.0 | 52.8 | 7.3 | 68.5% | 7.89 | 0.445 | 0.3 | 2.4 |
| 09/20/2005 | 11:15 | 90.9 | 68.7 | 4.5 | 50.8% | 7.71 | 0.419 | 0.3 | 2.3 |
| 07/28/2005 | 13:45 | 93.3 | 77.8 | 6.4 | 80.1% | 8.12 | 0.376 | 0.2 | 0.7 |
| 05/19/2005 | 12:15 | 146.7 | 57.8 | 9.4 | 94.3% | 8.25 | 0.437 | 0.3 | 2.3 |
| 04/05/2005 | 12:35 | 5.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 03/08/2005 | 11:55 | 10.7 | 37.0 | 10.5 | 79.7% | 7.99 | 0.431 | 0.3 | 2.7 |
| 01/12/2005 | 11:05 | 8.4 | 35.8 | 10.6 | 79.7% | 7.74 | 0.435 | 0.3 | 4.2 |
| 11/10/2004 | 10:25 | 21.6 | 47.7 | 7.7 | 67.3% | 7.54 | 0.444 | 0.3 | 4.9 |
| 10/07/2004 | 10:45 | 29.2 | 58.2 | 5.3 | 53.3% | 7.89 | 0.402 | 0.3 | 5.8 |
| 09/09/2004 | 08:40 | 36.8 | 68.0 | 2.8 | 29.9% | 7.58 | 0.422 | 0.3 | 0.6 |
| 08/12/2004 | 14:32 | 18.7 | 67.7 | 4.9 | 54.9% | 7.62 | 0.380 | 0.2 | 0.5 |
| 07/07/2004 | 11:30 | 133.4 | 74.5 | 4.5 | 54.8% | 7.73 | 0.360 | 0.2 | 1.8 |
| 05/21/2004 | 12:00 | 42.8 | 67.8 | 5.8 | 66.0% | 7.78 | 0.379 | 0.2 | 1.4 |
| 04/28/2004 | 13:45 | 17.3 | 59.2 | 11.2 | 114.4% | 8.42 | 0.399 | 0.3 | 1.2 |
| 02/18/2004 | 10:50 | 1.0 | 34.6 | 11.3 | 83.1% | 8.18 | 0.407 | 0.3 | 9.5 |
| 01/29/2004 | 12:34 | 1.0 | 33.7 | 12.0 | 85.7% | 8.13 | 0.397 | 0.3 | 5.9 |
| 01/08/2004 | 11:17 | 14.5 | 32.7 | 12.3 | 87.9% | 8.07 | 0.390 | 0.3 | 2.0 |
| 11/13/2003 | 14:12 | 14.5 | 44.8 | 9.7 | 84.5% | 8.58 | 0.384 | 0.3 | 2.0 |
| 10/30/2003 | 12:11 | 46.7 | 50.1 | 10.1 | 90.2% | 8.82 | 0.379 | 0.2 | 2.0 |
| 10/02/2003 | 13:00 | 49.6 | 53.7 | 6.7 | 63.9% | 8.68 | 0.382 | 0.2 | 1.8 |
| 09/17/2003 | 13:54 | 73.8 | 71.8 | 5.9 | 69.7% | 7.87 | 0.370 | 0.2 | 0.4 |
| 09/03/2003 | 09:30 | 63.8 | 70.2 | 7.1 | 81.6% | 8.35 | 0.362 | 0.2 | 1.3 |
| 08/27/2003 | 14:00 | 165.8 | 79.4 | 5.2 | 66.0% | 7.74 | 0.350 | 0.2 | 3.8 |
| 08/13/2003 | 11:27 | 161.6 | 74.3 | 5.0 | 60.8% | 7.90 | 0.354 | 0.2 | 1.9 |
| 07/30/2003 | 11:10 | 84.2 | 73.2 | 4.5 | 54.0% | 7.85 | 0.371 | 0.2 | 2.0 |
| 07/16/2003 | 12:30 | 135.4 | 74.4 | 6.1 | 73.9% | 8.16 | 0.366 | 0.2 | 49.4 |
| 07/01/2003 | 10:37 | 137.6 | 73.3 | 6.6 | 78.1% | 8.06 | 0.392 | 0.3 | 0.8 |
| 06/17/2003 | 11:40 | 72.3 | 70.5 | 6.8 | 79.4% | 8.02 | 0.394 | 0.3 | 3.1 |
| 06/03/2003 | 11:45 | 113.7 | 62.6 | 9.4 | 100.6% | 8.23 | 0.395 | 0.3 | 1.9 |
| 05/23/2003 | 11:53 | 187.2 | 60.1 | 9.0 | 93.0% | 8.27 | 0.403 | 0.3 | 0.0 |
| 03/26/2003 | 10:25 | 7.4 | 47.9 | 15.3 | 126.1% | 7.10 | 0.444 | 0.3 | N/A |
| 03/06/2003 | 12:10 | 1.0 | 36.3 | 15.0 | 112.7% | 8.30 | 0.405 | 0.3 | N/A |
| 11/20/2002 | 13:00 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 11/06/2002 | 12:40 | 4.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 10/16/2002 | 13:05 | 57.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 05/15/2002 | 12:27 | 86.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| Summary Statistics | Count | 50 | 43 | 43 | 43 | 43 | 43 | 43 | 42 |
| Average | 55.9 | 56.3 | 8.2 | 76.2% | 8.09 | 0.402 | 0.3 | 3.4 | |
| Minumum | 1.0 | 32.7 | 2.8 | 29.9% | 7.10 | 0.350 | 0.2 | 0.0 | |
| Maximum | 187.2 | 79.4 | 15.3 | 126.1% | 8.82 | 0.460 | 0.3 | 49.4 | |
| Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for GOU-25 (Gourdneck Creek) between May 2002 and June 2009. This site is located in Section Number 3 of Schoolcraft Township, West side of Portage Road, south of Mandigo Avenue. | |||||||||
| 0 out of 50 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||
| 8 out of 50 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||
| 42 out of 50 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||