Environmental Health Division
(269) 373 - 5337, www.kalcounty.com/eh This report summarizes all water quality data collected at Site TLW-05, Twin Lakes in the Sand Creek at Mouth Basin 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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| Sand Creek at Mouth (State of Michigan Basin ID #: 17 71) | ||||
| Twin Lakes | ||||
| TLW-05 | West side of Ravine Road | Alamo Township (31) | ||
| Site Code: TLW-05, Twin Lakes | |||||||||
| 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) |
| 05/16/2003 | 12:06 | 45.0 | 59.7 | 12.4 | 127.6% | 8.93 | 0.461 | 0.3 | 14.7 |
| 08/21/2001 | 12:44 | 30.1 | 76.9 | N/A | N/A | N/A | N/A | N/A | N/A |
| 08/02/2001 | 12:52 | 98.4 | 80.5 | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/19/2001 | 10:47 | 79.8 | 78.6 | N/A | N/A | N/A | N/A | N/A | N/A |
| 07/05/2001 | 10:50 | 28.2 | 68.0 | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/21/2001 | 11:22 | 33.1 | 72.0 | N/A | N/A | N/A | N/A | N/A | N/A |
| 06/07/2001 | 10:52 | 161.6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
| 05/24/2001 | 11:12 | 71.4 | 68.0 | N/A | N/A | N/A | N/A | N/A | N/A |
| 05/10/2001 | 11:25 | 34.1 | 69.7 | N/A | N/A | N/A | N/A | N/A | N/A |
| Summary Statistics | Count | 9 | 8 | 1 | 1 | 1 | 1 | 1 | 1 |
| Average | 64.6 | 71.7 | 12.4 | 127.6% | 8.93 | 0.461 | 0.3 | 14.7 | |
| Minumum | 28.2 | 59.7 | 12.4 | 127.6% | 8.93 | 0.461 | 0.3 | 14.7 | |
| Maximum | 161.6 | 80.5 | 12.4 | 127.6% | 8.93 | 0.461 | 0.3 | 14.7 | |
| Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for TLW-05 (Twin Lakes) between May 2001 and May 2003. This site is located in Section Number 31 of Alamo Township, West side of Ravine Road. | |||||||||
| 0 out of 9 water sample results exceeded 300 bacteria colonies per 100 ml of water. | |||||||||
| 1 out of 9 water sample results were between 130 and 299 bacteria colonies per 100 ml of water. | |||||||||
| 8 out of 9 water sample results were less than 130 bacteria colonies per 100 ml of water. | |||||||||