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E. coli Results for the Chippewa River 7/12/17
7/13/2017 1:32:46 PM - Utilities Services

E. coli levels on the Chippewa River were sampled at School Rd bridge crossing, Meridian Park, Chipp-A-Waters Park, North Branch Chippewa River near Meridian Road and Chippewa Rd bridge crossing on Wednesday July 12, 2017. The results are as follows:

 

School Rd bridge crossing:

Daily Geometric Mean: 17

30-Day Geometric Mean: 20

The Daily Geometric mean E.coli level at School Rd bridge crossing of 17 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30-Day Geometric mean of 20 is currently below 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

 

Meridian Park:

Daily Geometric Mean: 71

30-Day Geometric Mean: 70

The Daily Geometric mean E.coli level at Meridian park of 71 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30-Day Geometric mean of 70 is currently below 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: 347

30-Day Geometric Mean: 652

The Daily Geometric mean E.coli level at Meridian of 347 is currently above 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30-Day Geometric mean of 652 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: 67

30-Day Geometric Mean: 258

The Daily Geometric mean E.coli levels at Chip-A-Waters Park of 67 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30-Day Geometric mean of 258 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

 

 

Chippewa Rd bridge crossing:

Daily Geometric Mean: 33

30-Day Geometric Mean: 134

The Daily Geometric mean E.coli level at Chippewa Rd bridge crossing of 33 is currently below 300, the State of Michigan Water Quality Standard for Daily Geometric Mean. The 30-Day Geometric mean of 134 is currently above 130, the State of Michigan Water Quality Standard for 30-Day Geometric Mean.

 

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Based on the 30-Day geometric mean, the North Branch of Chippewa River, Chipp-A-Waters Park, and Chippewa Rd stream crossing do exceed the State of Michigan water quality standards for full body contact.  


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