Update, July 11: Beach at Duck Lake reopens, advisory at White Lake continues

MUSKEGON COUNTY, MI – A beach at Duck Lake State Park has been closed due to high bacteria levels in the water.

The closure of the beach on Duck Lake was ordered Tuesday, July 9, as the result of monitoring that found high levels of E. coli, according to the state’s BeachGuard website. The park also has a Lake Michigan beach.

The beach at Maple Park on White Lake was issued a contamination advisory on July 9 due to E. coli. That beach is on the north side of White Lake in the city of Montague.

A water sample from the beach at Duck Lake State Park found 1,986 E. coli per 100 ml. on July 9, according to BeachGuard. The maximum allowed is 300 E. coli per 100 ml. The previous test, on July 2, found 24 per 100 ml.

A July 9 test found 365 E. coli per 100 ml. at Maple Park.

Both beaches are monitored by Grand Valley State University’s Annis Water Resources Institute in Muskegon.