Arenac County Park

Au Gres, Michigan

Arenac County Park & Beach is located off of Rumsey Road and facilities includes rental cabins, day-use park with picnic tables, grills, volleyball, horseshoes and 900 feet of sandy beach. In 2011, entry fees are $3 daily pass to walk or bike in, $5 daily pass per car county resident, $7 daily pass per car non-county resident, $30 season pass per car.

WATER QUALITY
  • Passed water quality tests 60-95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Lake Ontario Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
0°C
Cloudy with a few clear breaks
MONITORING FREQUENCY

Arenac County Park is sampled weekly from June 1st to September 1st

SOURCE INFORMATION

Recreational public beaches in Michigan are tested several times a week, typically from May to September. Officially, the water is test for recreational standards from May 1 to October 31.

The Michigan Department of Community Health and the Michigan Department of Environmental Quality uses guidance provided by the EPA to develop ambient standards for E. coli. E. coli standards for water used for total body contact recreation are provided in the Michigan Public Health Code and Rule 323.1062(1) of the Part 4.

A beach is marked Green the geometric mean of 3 samples collected at the same time is under 300 E. coli / 100 ml or when the geometric mean of 5 samples collected over 30 days is under 130 E. coli / 100 ml.

A beach is marked Red when the geometric mean of 3 samples collected at the same time exceeds 300 E. coli / 100 ml or when the geometric mean of 5 samples collected over 30 days exceeds 130 E. coli / 100 ml.

A beach is marked Grey when there is no current or reliable monitoring information available.

WATER QUALITY GRAPH

Arenac County Park

Au Gres, Michigan

WATER QUALITY
  • Passed water quality tests 60-95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Lake Ontario Waterkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
0°C
Cloudy with a few clear breaks

Arenac County Park & Beach is located off of Rumsey Road and facilities includes rental cabins, day-use park with picnic tables, grills, volleyball, horseshoes and 900 feet of sandy beach. In 2011, entry fees are $3 daily pass to walk or bike in, $5 daily pass per car county resident, $7 daily pass per car non-county resident, $30 season pass per car.

MONITORING FREQUENCY

Arenac County Park is sampled weekly from June 1st to September 1st

SOURCE INFORMATION

Recreational public beaches in Michigan are tested several times a week, typically from May to September. Officially, the water is test for recreational standards from May 1 to October 31.

The Michigan Department of Community Health and the Michigan Department of Environmental Quality uses guidance provided by the EPA to develop ambient standards for E. coli. E. coli standards for water used for total body contact recreation are provided in the Michigan Public Health Code and Rule 323.1062(1) of the Part 4.

A beach is marked Green the geometric mean of 3 samples collected at the same time is under 300 E. coli / 100 ml or when the geometric mean of 5 samples collected over 30 days is under 130 E. coli / 100 ml.

A beach is marked Red when the geometric mean of 3 samples collected at the same time exceeds 300 E. coli / 100 ml or when the geometric mean of 5 samples collected over 30 days exceeds 130 E. coli / 100 ml.

A beach is marked Grey when there is no current or reliable monitoring information available.

WATER QUALITY GRAPH



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