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E.coli Public Release 8/6/15
8/7/2015 8:37:10 AM - Utilities Services

Here are the E.coli results from this week. The levels are higher than last week most likely due to the heavy rain over the weekend.

 

Please distribute the attached information.

E. coli levels on the Chippewa River were sampled at School Rd bridge crossing,  Meridian Park, Chip-A-Waters Park, North Branch Chippewa River near Meridian Road

and Chippewa Rd bridge crossing on Tuesday, August 4th, 2015. The results are as follows:

 

School Rd bridge crossing:

Daily Geometric Mean: 49

30-Day Geometric Mean: 42

 

The mean E.coli level at School Rd bridge crossing of 49 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30–Day Geometric mean of 42 is currently below 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

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Meridian Park:

Daily Geometric Mean: 96

30-Day Geometric Mean: 186

The mean E.coli level at Meridian park of 96 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30–Day Geometric mean of 186 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

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North Branch Chippewa River near Meridian Road

Daily Geometric Mean: 2930

30-Day Geometric Mean: 2913

The mean E.coli level at Meridian of 2930 is currently above 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30–Day Geometric mean of 2913 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

 

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Chipp-A-Waters Park:

Daily Geometric Mean: 2005

30-Day Geometric mean: 2071

The mean E.coli levels at Chip-A-Waters Park of 2005 is currently above 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30–Day Geometric mean of 2071 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

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Chippewa Rd bridge crossing:

Daily Geometric Mean: 267

30-Day Geometric Mean: 2104

 

The mean E.coli level at Chippewa Rd bridge crossing of 267 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30–Day Geometric mean of 2104 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.


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