Environmental Health Division
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected from Rupert Lake, which is part of the Pine 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 Division staff. |
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| Pine Creek at Mouth (State of Michigan Basin ID #: 17 73) | ||||
| Rupert Lake | ||||
| RUL-05 | MDNR Public access boat launch site | Alamo Township (5) | ||
| Site Code: RUL-05, Rupert 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) |
| 11/03/2005 | 13:10 | 4.1 | 53.5 | 7.4 | 69.9% | 8.12 | 0.571 | 0.4 | 3.0 |
| 09/29/2005 | 13:00 | 21.8 | 66.5 | 8.3 | 91.6% | 8.31 | 0.529 | 0.3 | 1.2 |
| 08/24/2005 | 11:30 | 5.2 | 73.7 | 10.0 | 120.6% | 8.44 | 0.486 | 0.3 | 5.1 |
| 06/24/2005 | 10:10 | 42.6 | 77.2 | 8.5 | 105.4% | 8.12 | 0.536 | 0.3 | 6.6 |
| 04/21/2005 | 10:25 | 5.2 | 60.9 | 8.7 | 91.0% | 8.06 | 0.599 | 0.4 | 1.9 |
| 08/26/2004 | 13:45 | 686.7 | 72.9 | 7.3 | 87.9% | 8.26 | 0.460 | 0.3 | 7.8 |
| 07/23/2004 | 12:19 | 137.4 | 77.6 | 7.6 | 95.2% | 8.30 | 0.484 | 0.3 | 5.5 |
| 06/18/2004 | 12:50 | 116.8 | 78.8 | 8.5 | 90.0% | 8.34 | 0.513 | 0.3 | 10.7 |
| 05/27/2004 | 14:15 | 9.8 | 62.2 | 8.3 | 87.9% | 8.05 | 0.502 | 0.3 | 7.0 |
| 09/10/2003 | 14:09 | 6.2 | 73.1 | 11.7 | 139.5% | 8.66 | 0.423 | 0.3 | 6.3 |
| 08/06/2003 | 15:00 | 46.4 | 81.8 | 9.6 | 125.6% | 8.40 | 0.457 | 0.3 | 9.4 |
| 07/02/2003 | 13:40 | 1,046.2 | 80.7 | 8.0 | 102.1% | 8.39 | 0.515 | 0.3 | 7.9 |
| 06/04/2003 | 12:54 | 6.2 | 61.3 | 7.0 | 74.1% | 8.32 | 0.537 | 0.3 | 8.4 |
| 05/16/2003 | 10:58 | 10.8 | 57.9 | 6.2 | 62.6% | 8.11 | 0.555 | 0.4 | 10.4 |
| 11/21/2002 | 14:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 11/07/2002 | 14:30 | 1.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 10/17/2002 | 14:40 | 5.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 10/03/2002 | 14:15 | 18.9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 09/19/2002 | 14:30 | 4.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 09/05/2002 | 14:45 | 40.2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 08/22/2002 | 13:50 | 185.0 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/25/2002 | 14:55 | 13.4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/11/2002 | 13:00 | 24.3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/27/2002 | 14:50 | 48.7 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/13/2002 | 12:30 | 18.7 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 08/24/2001 | 13:00 | 198.9 | 72.2 | N/A | N/A | N/A | N/A | N/A | N/A |
| 08/02/2001 | 11:50 | 26.5 | 80.3 | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/19/2001 | 09:48 | 15.8 | 75.8 | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/05/2001 | 10:09 | 16.0 | 67.0 | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/21/2001 | 10:23 | 54.6 | 70.0 | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/07/2001 | 10:05 | 3.1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 05/24/2001 | 10:12 | 23.3 | 66.1 | N/A | N/A | N/A | N/A | N/A | N/A |
| 05/10/2001 | 10:22 | 6.3 | 65.5 | N/A | N/A | N/A | N/A | N/A | N/A |
| Summary Statistics | Count | 33 | 21 | 14 | 14 | 14 | 14 | 14 | 14 |
| Average | 86.4 | 70.2 | 8.4 | 96.0% | 8.28 | 0.512 | 0.3 | 6.5 | |
| Minumum | 1.0 | 53.5 | 6.2 | 62.6% | 8.05 | 0.423 | 0.3 | 1.2 | |
| Maximum | 1,046.2 | 81.8 | 11.7 | 139.5% | 8.66 | 0.599 | 0.4 | 10.7 | |
| Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for RUL-05 (Rupert Lake) between May 2001 and November 2005. This site is located in Section Number 5 of Alamo Township, MDNR Public access boat launch site. | |||||||||
| 2 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. | |||||||||
| 28 out of 33 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||