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Jackson County lake that’s popular for swimming briefly closed. Here’s why

Longview Lake Marina located at 9898 Longview Rd, Kansas City, Missouri, taken on June 25, 2026.
Longview Lake Marina located at 9898 Longview Rd, Kansas City, Missouri, taken on June 25, 2026.

A popular lake in Jackson County has reopened after a brief closure.

The Jackson County Parks & Recreation Department announced on social media that Longview Lake, 11101 Raytown Road, is once again open to the public. The department closed it Tuesday, July 14, after routine water quality testing showed elevated levels of E. coli.

Additional testing showed the first result the department received was due to a bad water sample, the department said.

Follow-up testing confirmed that the water in the lake within the acceptable range for swimming, and they determined that the lake is safe to reopen.

“The health and safety of our visitors is always our top priority,” the department said on social media. “We appreciate everyone’s patience and understanding while we verified the water quality.”

Joseph Hernandez
The Kansas City Star
Joseph Hernandez joined The Kansas City Star’s service journalism team in 2021. A Cristo Rey Kansas City High School and Mizzou graduate, he now covers trending topics and finds things for readers to do around the metro.
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