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

This report summarizes all water quality data collected at Site POR-55, Portage River 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)
       Portage River
              POR-55North side of East 'S' Avenue, east of South 29th Street and west of railroad tracksPavilion Township (28)


Site Code: POR-55, Portage River
SampleSampleE. coli BacteriaWater TemperatureDissolved OxygenpHConductivityTDSTurbidity
DateTime(MPN)(degrees F)mg/L% Saturation(units)(mS / cm)(g / L)(NTU)
10/21/200912:45118.749.510.491.8%8.320.5960.45.1
06/30/200910:45613.159.3N/AN/A8.200.5520.45.1
05/05/200911:55139.6N/AN/AN/AN/AN/AN/A5.7
12/29/200810:55209.832.514.096.5%7.910.4440.34.8
10/29/200809:2577.141.310.078.7%7.670.5580.43.2
09/18/200807:3569.161.44.343.4%7.440.3390.21.7
07/09/200809:55325.568.23.943.0%7.960.4850.32.6
04/29/200810:33238.248.912.0104.6%8.570.5470.42.5
04/01/200810:03101.747.59.077.2%7.810.4450.34.1
03/04/200809:49201.435.013.496.3%7.880.4940.33.3
02/05/200810:06198.938.111.586.0%8.040.5200.33.9
01/07/200811:25238.243.210.584.6%7.860.5400.44.6
Summary
Statistics
Count1211101011111112
Average210.947.79.980.2%7.970.5020.33.9
Minumum69.132.53.943.0%7.440.3390.21.7
Maximum613.168.214.0104.6%8.570.5960.45.7
 
Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for POR-55 (Portage River) between January 2008 and October 2009. This site is located in Section Number 28 of Pavilion Township, North side of East 'S' Avenue, east of South 29th Street and west of railroad tracks.
 
 2 out of 12 water sample results exceeded 300 bacteria colonies per 100 ml of water.
 6 out of 12 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.
 4 out of 12 water sample results were less than 130 bacteria colonies per 100 ml of water.