Environmental Health Bureau
(269) 373 - 5337, www.kalcounty.com/eh

This report summarizes all water quality data collected at Site BLL-05, Blue Lake in the Portage River at Indian 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 Bureau staff.

Portage River at Indian Lake (State of Michigan Basin ID #: 34 46)
       Blue Lake
              BLL-05MDNR Public access boat launch site (Cold Brook County Park)Charleston Township (34)


Site Code: BLL-05, Blue Lake
SampleSampleE. coli BacteriaWater TemperatureDissolved OxygenpHConductivityTDSTurbidity
DateTime(MPN)(degrees F)mg/L% Saturation(units)(mS / cm)(g / L)(NTU)
11/17/200512:051.044.58.268.8%8.190.4230.37.0
10/11/200514:302.059.68.284.1%8.280.3960.32.4
09/01/200508:321.073.55.461.9%8.510.3890.35.1
07/14/200509:1035.481.37.495.6%8.370.3780.21.8
05/12/200507:4510.659.47.678.5%8.090.4330.31.5
08/02/200410:4030.576.77.187.7%8.110.3390.21.2
05/19/200414:1017.169.68.396.1%8.080.3180.246.5
08/11/200312:404.179.08.1102.5%8.530.3210.23.0
07/14/200312:537.378.310.9138.2%8.840.3110.26.6
06/16/200309:454.172.89.2111.3%8.350.3410.23.4
11/14/200213:201.0N/AN/AN/AN/AN/AN/AN/A
10/24/200212:453.0N/AN/AN/AN/AN/AN/AN/A
10/10/200212:257.4N/AN/AN/AN/AN/AN/AN/A
09/26/200212:4046.5N/AN/AN/AN/AN/AN/AN/A
09/12/200212:454.1N/AN/AN/AN/AN/AN/AN/A
08/29/200209:002.0N/AN/AN/AN/AN/AN/AN/A
08/15/200212:40209.8N/AN/AN/AN/AN/AN/AN/A
08/01/200214:00228.2N/AN/AN/AN/AN/AN/AN/A
07/18/200214:0610.9N/AN/AN/AN/AN/AN/AN/A
06/20/200212:3027.8N/AN/AN/AN/AN/AN/AN/A
06/06/200214:3069.1N/AN/AN/AN/AN/AN/AN/A
05/23/200214:251.0N/AN/AN/AN/AN/AN/AN/A
08/22/200111:0032.770.7N/AN/AN/AN/AN/AN/A
08/08/200110:2024.283.3N/AN/AN/AN/AN/AN/A
07/25/200110:21201.476.3N/AN/AN/AN/AN/AN/A
07/11/200109:15110.064.0N/AN/AN/AN/AN/AN/A
06/27/200109:5819.979.0N/AN/AN/AN/AN/AN/A
06/13/200109:20304.474.0N/AN/AN/AN/AN/AN/A
05/31/200109:4310.862.8N/AN/AN/AN/AN/AN/A
05/16/200110:22209.863.9N/AN/AN/AN/AN/AN/A
05/02/200110:055.263.9N/AN/AN/AN/AN/AN/A
Summary
Statistics
Count3119101010101010
Average53.070.18.192.5%8.340.3650.27.9
Minumum1.044.55.461.9%8.080.3110.21.2
Maximum304.483.310.9138.2%8.840.4330.346.5
 
Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for BLL-05 (Blue Lake) between May 2001 and November 2005. This site is located in Section Number 34 of Charleston Township, MDNR Public access boat launch site (Cold Brook County Park).
 
 1 out of 31 water sample results exceeded 300 bacteria colonies per 100 ml of water.
 4 out of 31 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.
 26 out of 31 water sample results were less than 130 bacteria colonies per 100 ml of water.