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

This report summarizes all water quality data collected at Site DAV-20, Davis Creek in the Davis Creek at Mouth Basin of the Davis 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 Bureau staff.

Davis Creek at Mouth (State of Michigan Basin ID #: 17 56)
       Davis Creek
              DAV-20South side of Monroe Avenue in Colonial Acres Mobile Home ParkCity of Portage (1)


Site Code: DAV-20, Davis Creek
SampleSampleE. coli BacteriaWater TemperatureDissolved OxygenpHConductivityTDSTurbidity
DateTime(MPN)(degrees F)mg/L% Saturation(units)(mS / cm)(g / L)(NTU)
06/24/200910:151,553.157.4N/AN/A8.250.5770.410.2
04/29/200909:40131.448.49.683.3%8.020.5190.35.9
03/11/200913:25228.240.87.457.6%8.170.3350.215.2
11/18/200813:1295.937.910.880.9%7.990.6280.43.6
09/24/200822:39307.657.07.572.7%7.830.5380.47.4
07/30/200809:172,419.663.1N/AN/A7.750.6060.411.2
06/04/200809:33689.356.9N/AN/A7.640.5820.45.8
03/12/200813:27110.640.111.286.7%7.930.5400.4N/A
01/14/200811:5950.439.910.480.2%7.930.6190.45.5
12/05/200710:3583.337.38.966.2%8.010.7300.53.4
08/16/200710:351,732.964.44.446.0%7.750.6280.48.0
06/26/200710:151,986.362.111.0113.1%7.670.5950.46.3
05/22/200710:35980.455.69.792.3%7.730.5880.43.7
04/12/200711:35816.439.810.279.1%7.980.4790.39.4
03/13/200711:5550.442.78.467.1%8.030.5450.44.6
12/27/200610:4559.139.89.875.2%8.060.6370.48.9
10/19/200609:25307.653.65.752.8%7.680.6750.4N/A
09/19/200611:002,419.658.74.948.3%7.670.6260.4N/A
07/18/200609:152,419.669.04.145.8%7.610.2530.2N/A
05/23/200610:25365.4N/AN/AN/AN/AN/AN/AN/A
04/11/200608:55613.146.74.539.4%8.270.6400.410.6
01/26/200611:1534.535.411.181.7%7.990.7620.55.0
11/22/200512:1044.640.56.351.6%7.780.6890.49.9
10/13/200508:30235.955.55.452.1%7.810.6470.49.8
09/13/200513:05866.464.65.559.5%7.560.6260.46.7
07/21/200513:201,986.369.55.057.5%7.550.4610.37.5
05/26/200512:10517.253.77.470.5%7.650.6010.44.7
04/19/200511:00114.5N/AN/AN/AN/AN/AN/AN/A
04/14/200511:1068.3N/AN/AN/AN/AN/AN/AN/A
03/22/200512:0073.3N/AN/AN/AN/AN/AN/AN/A
02/24/200512:5527.937.610.076.8%7.620.5120.39.1
12/16/200411:2528.235.410.577.4%7.570.6280.46.9
10/27/200411:25574.852.55.652.8%7.430.6470.44.9
Summary
Statistics
Count3329262629292925
Average666.450.27.967.9%7.830.5830.47.4
Minumum27.935.44.139.4%7.430.2530.23.4
Maximum2,419.669.511.2113.1%8.270.7620.515.2
 
Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for DAV-20 (Davis Creek) between October 2004 and June 2009. This site is located in Section Number 1 of City of Portage, South side of Monroe Avenue in Colonial Acres Mobile Home Park.
 
 17 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.
 13 out of 33 water sample results were less than 130 bacteria colonies per 100 ml of water.